A 'Universal' Regenerative Detector that receives AM, SW, or FM! Oct 30, 2004 by Rick Andersen Here is an amazingly versatile circuit-- look closely and you'll see that it's really the same detector found in my article on the Superregen for FM VHF Aircraft. Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. Yesterday one of the links there led me to the above video. They have also been checked for noise and micro. The most used spy radio transceiver during WWIII was the "Paraset" which used a regenerative two-tube receiver, one tube for the detector and the other for audio amplifying. 25 inches (24 cm) wide by 5,75 inches (14. Shipping $90. 108), 6AG7/6E5 80/40M QRP CW xmtr (pg. net Clegg Intercepter receiver for 6 and 2 meters also used the 7360 as a mixer. Secondary winding 12 and capaci- tors C3 and C4 select the received sig- nal while tickler winding 1. The receiver tunes the entire 30m band (10100-10150) and performs quite well. GoodSoundClub - Romy the Cat's personal High-End Audio site. It produces about +150 volts of D. I have at least a hundred 12AU7 and 12AT7 tubes here in captivity and only a couple of 6SN7's. Also going to have a look at some of the older books. Those who like to experiment with transistors will find some useful tips here on using them as regenerative detectors. One coil is for 40M band operation, the other is for the 80M band. The resistive attenuation at the receiver input (approximately 18 dB, provided by a terminated 10-dB pi-attenuator pad in combination with mismatch loss) brings the noise floor ("band noise") of my antenna. It is part of a construction article, now a 4. oscillator transmitter, and the second triode is the choke-coupled modulator. Going to have to look at the math section to see if there's some way I can work up a schematic of my own. value relative to the band of frequency contained in the Finally , this frequency divider is not of the regenerative. This is only a preview of the April 2008 issue of Silicon Chip. This comes in really handy when using tubes like the 12AU7, which seems to work best with 8V on the plate in this design (fixed 8t tickler coil). RF Signal Generator to Regenerative Receiver - ECC82/12AU7 Regen Receiver - Duration: 3:31. Count me in. The downloads are at the GlassWare-Yahoo store and the price is only $9. And that PS transformer's 15mA rating for the B+ is for a halfwave rectifier. The results were not too good, noissy compared with Kitchin regen. A hybrid AM BCB receiver using a 12AE6 space-charge triode for the RF portion of the circuit and a 2N321 transistor as an audio amp. This miniature receiver is based on a design I created in 1987; it was the first super regen set that was easy to use and had decent sound quality. value relative to the band of frequency contained in the Finally , this frequency divider is not of the regenerative. am-trx for 6m. The Circuit. select the first character of the tube. A D cell and five 9V transistor batteries wired in series will work to power this radio. It provides good general-coverage reception of the. Last consumer electronics use DECCA series DR101,202,303,404,505,606 monchrome receivers(9). The HA-1 uses a mercury wetted relay capable of switching up to 500v circuits. The regen radio was one of the many inventions in radio technology that was made by Edwin Armstrong. Building A WBR Regen Receiver. Що кажуть інші TDA1083 Am radio receiver circuit diagram electronic project. All Regen's that are shipping starting on Monday will be the "Amber" Regen which is reported to be approximately 40% better. Feb 20, 2018 - One Tube 12V DC Shortwave Regen Receiver - SW Tube Radio DIY - YouTube. All "Green" Regen owners are eligible for an upgrade till July 10th. 2HA5 Single Radio : plate voltage 79. Resources listed under Regenerative Receiver category belongs to Receivers main collection, and get reviewed and rated by amateur radio operators. The Eico model 324 Signal Generator has two tubes and a selenium rectifier. The radio is a regenerative receiver using a combination triode-pentode tube (which is like having two tubes in one, so I guess this is actually a two tube radio?). On the AMRAD mailing list, Andre, N4ICK, posted a link to the YouTube video, “12AU7 regenerative radio on a tin bake plate” (see photo at right) It’s a very cool regenerative radio made with a single 12AU7 vacuum tube. This coupling was quite Things gradually changed as radio/ wireless progressed out ofthe experimenter's realm. The Avant also uses 5-12AU7's and a single 6x4 rectifier. Tube types that are identical except for heater ratings (example: 6AU7, 7AU7, 12AU7) may be tested in the same socket by selecting appropriate HEATER voltage, although only one type is listed beside the socket. 5 inches (6. Denk aan je veiligheid en gezondheid. If these experiments don't show the benefits of measurement, then I'm afraid nothing will. Mettez-le en favori avec son permalien. This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes. The device appears to be a complete radio receiver of its own, which rebroadcast the desired signal at a blank spot on the dial of the radio it was controlling. I think it will be worth it in the end. 1 MHz to 10+ MHz Receiver sensitivity: -130 dBm or 0. Rethm Saadhana V3 Speakers, Bricasti Design M1 DSD DAC, VPI Industries Super Scoutmaster Turntable, VPI Industries JMW 10-3D-Printed Tonearm & JMW Tonearm Base w/On the Fly SRA/VTA, Haniwa Auto HCTR01 Phono Cartridge, Haniwa Audio HEQA02 Phono Stage Pre, TGC VL-1A: Line Stage Pre (NASA Proto-type), Auralic Aries Extreme Transport w/Duel Femto Clocks & SBooster BOTW Linear Power Supply. Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. this tube is equivelant to the type ST 50, CX-350, UX-250. One side being like a 12ax7 and one like a 12au7. I think it will be worth it in the end. As a result this form of radio deserves its place in this summary of the different types of radio available. 65 RGD model 166 large push button Receiver. :) They are pretty much. RF Signal Generator to Regenerative Receiver - ECC82/12AU7 Regen Receiver - Duration: 3:31. 02 Shipping. A random -length wire can be attached to input receptacle J1 for this test. This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes. O HANDBOOK HAMDBOOK SERIES PP) Edited by Milton B. Step 7 Mounting the Crystal. 165 MHz crystal and so my regen tunes 3. Guitar and Music Institute. WBR Regen Receiver For 40M - Duration: 7:25. New Customer* – Internet Special Enjoy a relaxing 1 Hour Full Body Couples Massage with free Aromatherapy for only $90† Mention Discount Code: Google2 Expires: At Regen Massage you can experience the benefits of massage at a price you can afford. Sitting on top of my favorite vintage receiver, a Collins 75A-4, are three homebrew projects: recycled Heath HG-10 VFO (pg. This gives the light side for a good regen and the power side for a power osc. It is easy to listen SSB, even on 18 MHz. PCL82 = 16A8 = 30PL12 vacuum tubes LOT 25 PCS Philips branded ULTRON. In the final minute or so of the video, the builder tunes around the 40 meter phone band. Beginning of a dialog window, including tabbed navigation to register an account or sign in to an existing account. An antenna of this type employing vacuum tubes was constructed by Vladimir Zworykin in the 1920s. its taped coil setup. Regenerative: 17. Part 2 of a homebrew regenerative receiver that uses a 12AU7 powered from 12 volts high tension. The 12AU7 (ECC82) is a Twin Triode vacuum tube, it is very popular in the audio world because it is rather rugged and can be operated at lower voltages. It used a dual-triode 12AT7 tube. It was first shown at the 1953 Radio Show and first used in their 5-10 amplifier from 1954. I've a friend building replica glowbug regen receivers who needs this info to help get his unit operational. The NRQ-62 is just so much more fun to operate, it became my main SWL set. Regenerative receiver projects Lemon Drops. NOW in Amazon it is collectible!!!!. It employs 23 vacuum tubes (6AK6 x 3, 5654 x 2, 12AU7/5814A x 4, 26Z5W x 2, 3TF7 x 1, 6BA6/5749W x 6, 6C4/6100 x 3, 6DC6 x 1, 0A2WA x 1), a larger than normal count for most general-coverage receivers. Playing next. This miniature receiver is based on a design I created in 1987; it was the first super regen set that was easy to use and had decent sound quality. Regenerative Receiver category is a curation of 24 web resources on , A 12-Volt Homebrew Regen, Designing Super-Regenerative Receivers, Small Portable Regenerative Receiver. Regenerative receiver from an old RCA signal generator k. The giveaway is the fact that the "remote control" is connected by 15-foot cable to the antenna and ground connection of the receiver, and that it requires its own power connection. The AA8V Twinplex Regenerative Receiver - 6SN7GTB General Information and 6SN7GTB Tube Data Sheets. So bietet auch der Vollverstärker Line Magnetic LM-211IA die Kombination aus faszinierender Optik und einzigartigem Klang. IC regurator 5. Model - 61 ( Console ): CX322 or UX222 CX322 or UX222 CX322 or UX222 CX112 or UX112 CX112 or UX112 CX371A or UX171A CX371A or UX171A : Rod: Model - 61 ( Kiel Table ). A total of 15 sets were made which was a great result. Feb 20, 2018 - One Tube 12V DC Shortwave Regen Receiver - SW Tube Radio DIY - YouTube Stay safe and healthy. Regen típico seguido de dois estágios de áudio. High effective gain is achieved, for example by placing this feedback winding in the drain circuit of a JFET (junction field effect transistor). It is a very useful bench test equipment for testing and finding out the frequency of various devices with unknown frequency such as oscillators, radio receivers, transmitters, function generators, crystals, etc. The Circuit. Super-regenerative receivers;. Vacuum tubes fall into three mainly non-interchangeable categories regarding their heater or filament voltage/current, though some tubes' heaters run at both a standardized voltage and current, e. My Collection of Circuits. So I was driving today and noticed that lying by the side of the road was an old TV that someone had thrown out. The speaker is mounted on a cardboard. In such a receiver, the antenna is an integral part of the regenerative detector, and for proper operation the coupling to the antenna must be easily adjustable. Ican post ckt if you need it. It presents a regen receiver using one 12AU7 tube and a 12 volt power supply. The "Mono-Coil 2" Regenerative Receiver: Schematic missing but figure-outable. ! Prefer browsing the desktop version? Click here to return to the desktop version of this site. receiver, as shown in Fig. A limitation is its inability to provide automatic gain control voltage. Transistorizing of short-wave communications equipment is worthy of serious consideration. High Performance Regenerative Receiver - Schematic Diagram & Parts Layout. and a beautiful TRF Receiver. the cabinet is lovely DIY cabinet called "Oceania. Solder remover 2. Instability results when a - reflected signal re - enters the microphone with such ampli - tude and phase as to cause a regenerative action to take g " - 10 place in the overall microphone - loudspealrer - room system. A 6AF11 dual triode/sharp-cutoff pentode provides a regenerative detector and two stages of audio. MINI REGEN a la ONNO (PA2OHH) This is another regenerative radio from Onno ( PA2OHH ). Before the advent of semiconductor devi. It is not a regen receiver. All "Green" Regen owners are eligible for an upgrade till July 10th. This circuit is a self-quenching regenerative RF receiver also known as a super regenerative receiver. I'm hypothesizing using B+ = 12 volts on a 12AU7 handicaps the tube. 3 tube AM receiver. GoodSoundClub - Romy the Cat's personal High-End Audio site. Well since I have no respect for money then I give a s. The "Speaky" HF SSB transceiver and other homebrew projects: Tube/Valve receiver… the schematic. Update December 3rd 2019: Added example valves Type 80, ATP4, 6V6G and 6SQ7. A 12-Volt Homebrew Regen. Cheers George. 25 inches (24 cm) wide by 5,75 inches (14. See more ideas about Radio, Electronics circuit, Electronics projects. It features 100 watts transmit power (or more), a digital display, and provides 1 Hz tuning resolution (digital display to be mounted in black box on upper right of front panel). The hundred quid plus 6SN7s have special audible properties which can only be discerned by those few people with the very finest hearing. Regenerative Short-Wave Receiver 1V1 (Vacuum Tube) C $350. One tube 12AU7 12 Volts Broadcast regen receiver. 20 uf 600v capacitors are pretty hard to find and expensive to boot-the last one I bought was a Sprague and it ran me thirty dollars. Chappy Happy 9,115 views. They are used in Remote locking systems for cars, garage doors and other applications. If it's equipped with a short-wave coil, signals come rolling in from thousands of miles away. RF Signal Generator to Regenerative Receiver - ECC82/12AU7 Regen Receiver - Duration: 3:31. The basic paradigm of this design is to break up the traditional oscillating detector into a separated regenerative amplifier and detector circuit. When tuned (by C1) slightly above or below the carrier frequency it generates a modulated RF current in Q1. See more ideas about Electronics projects, Circuit diagram and Ham radio. High effective gain is achieved, for example by placing this feedback winding in the drain circuit of a JFET (junction field effect transistor). A complete receiver circuit is shown. The Regen-o-flex Receiver. It produces about +150 volts of D. Selectivity seems good for a simple receiver. A further improvement was made by using an active filter for removing the quench frequency. The regenerative radio receiver or, even super-regenerative radio receiver or, "regen" if you prefer, are basically oscillating detector receivers. It goes beyond a regenerative receiver and is called a super-regenerative receiver, invented by Edwin Armstrong in 1922. Didn't use tube shields because these puppies run HOT as is. Decided to use the 9 pin miniature tubes which allows use of MANY types of dual triodes (12AT7, 12AU7, 12AX7, 12AY7, 12AZ7, 12BH7, 6072, and with a slight pinout change, the 7044 and 5687). Aug 16, 2017 - Explore defragmen45's board "Radio ham" on Pinterest. Thanks go to W9BRD, DF3DL and others for suggestions on how to improve the detector circuitry. You are viewing a site map which contains thousands of parts. The coil is tapped with the tap going to the cathode of the second half of the 12AT7. Regenerative: 17. ALL VALVE RECEIVER by Harry Lythall - SM0VPO. - RFT 1956 (German) - JJ Electronic 2003. It was also advertised as a semi-portable. One tube 12AU7 12 Volts Broadcast regen receiver. Two Sylvania Jan 12at7 Wc Ecc81 Tubes Black Plates Test Good And Balance. A 2000 ohm headset or an audio amplifier is required. 1) The Jones "One-Tube" Regenerative Receiver. It presents a regen receiver using one 12AU7 tube and a 12 volt power supply. My next regen receiver - The AF amplifier Quick test of the AF tube amplifier module Now I have completed the build with the RF stages (an untuned amplifier based on a 6AK5 tube, followed by a regenerative detector based on a 12AU7 tube, wired as a pseudo-tetrode). The regen still makes a great contest radio. hi, i am aware of the high quality jumpers available for integrated amps/receivers that have pre/main couplers. So I numbered mine #62, partially incorporating his callsign, NR5Q, I dubbed mine the NRQ-62. 2。 12au7トーンコントロール付ラジオ: tda1072 ラジオ. Regenerative Receiver category is a curation of 24 web resources on , A 12-Volt Homebrew Regen, Designing Super-Regenerative Receivers, Small Portable Regenerative Receiver. Photos of actual item. UPDATED 11/15/17 One recent project was building a replica of the "canteen radio" that was used by US Army personnel in the Japanese POW camp at Cabanatuan in the Philippines during WWII. 11/06/2003 01:37 Re: [AMRadio] FW: Homebrew receiver PM Please respond to ***@mailman. Elac Debut Reference 62. This particular schematic shows a 1G6 tube instead of the original #19 or #53 tube. commercial receivers. The EF86 is the standard early stage audio pre-amplifier valve. This page contains photos of my homebrew, 2-tube AM radio. The receiver configuration is a DC controlled "Hartley" regenerative detector (using a cathode tap on the inductor) with Hi-Z phones for the anode load. Bitten by the Ham Radio Bug A neighbor, who was a boater, bought one of the first transistorized short wave receivers in 1965 for the boat. 1) The Jones "One-Tube" Regenerative Receiver. How a Regenerative Receiver Works. The endless appeal of the simple regenerative receiver. Well Tempered Labs. ecc82 (12au7) 12v vfo Now that I de-freezed, on to work: Found a nice article on a 12AU7(ECC82) vfo here , decided to try out the circuit using less lethal voltages (I had my fair share of electric shocks if you know what I mean). Looks like I'll be doing a bit of a redesign of the air variable caps and verniers for this receiver. 20 or subscribe for access to the latest issues. That was exciting. , 12V on the plate). select the first character of the tube 0: 1: 2: 3: 4: 5: 6: 7: 8: 9: A: B: C: D: E: F: G: H: I: J: K: L: M: N: O: P: Q: R: S: T: U: V: W: X: Y: Z > 6/2(1-500) 642(501. RF Signal Generator to Regenerative Receiver - ECC82/12AU7 Regen Receiver - Duration: 3:31. 0: 6BA6, 0A2: 76: New 7MHz Valve Receiver: Schematic link is close to bottom of page. A hybrid AM BCB receiver using a 12AE6 space-charge triode for the RF portion of the circuit and a 2N321 transistor as an audio amp. The values of R3 and C3 are arranged so that after oscillation starts the voltage builds up on the emitter due to rectification of the oscillations. Monochrome receivers are relatively "blind" to these added signal components because most receivers have relatively low response at 3. Chappy Happy 9,115 views. regen receiver using one 12AU7 tube and a 12 volt power supply. The 6SN7 is larger and more rugged than the miniature dual triodes such as the 12AU7 and the 6CG7. I've drawn an awful lot over the years (gosh, come to think of it, I'm coming up on my 10th anniversary of getting a soldering tool :), from Doom levels to mechanical contraptions to metal-melting devices to electronic circuits. Electronics Projects Radio's Usb Stick Youtube Regen. The basic paradigm of this design is to break up the traditional oscillating detector into a separated regenerative amplifier and detector circuit. Thing is, math isn't my strong suit. ecc82 (12au7) 12v vfo Now that I de-freezed, on to work: Found a nice article on a 12AU7(ECC82) vfo here , decided to try out the circuit using less lethal voltages (I had my fair share of electric shocks if you know what I mean). ) Tung Sol 6550 Vintage Tested Good! - Tung Sol 6550 Vintage Tested Good! Radiotron model UV 200 vacuum tube rare experimental use only. So I numbered mine #62, partially incorporating his callsign, NR5Q, I dubbed mine the NRQ-62. The chain is housed in rubber plastic which ma. Jul 12, 2018 - 12AX7 / 12AU7 Tube Preamplifier Schematic. Page 277, circuit 17-8. wound on pill bottle and sittin in the air. 3 tube AM receiver. I found a 10. The Eico model 324 Signal Generator has two tubes and a selenium rectifier. * The 1 valve regenerative receiver project has dribbled to a halt with two more sets completed. Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. It presents a regen receiver using one 12AU7 tube and a 12 volt power supply. Low Voltage (12VDC) Two Tube Regen Receiver Using "Space Charge" Technology. 50MHz AM transceiver, 40mW mono-channel, 42-60MHz super regenerative, sensitivity -12dBµV, DC9V。 One day, I recalled super regenerative receiver (12AU7) that I made in old days. In the final minute or so of the video, the builder tunes around the 40 meter phone band. 5Y3 rectifier, 6BA6 RF amp, 12AU7 detector & audio amp. It uses a 1625 tube, the only voltage required is 12 volts D. A worthwhile improvement might be to convert the high frequency oscillator and BFO to a FET and let them run all the time with a small auxiliary power supply, eliminating the warm-up drift. Regenerative Receiver category is a curation of 24 web resources on , A 12-Volt Homebrew Regen, Designing Super-Regenerative Receivers, Small Portable Regenerative Receiver. You can write a book review and share your experiences. You need to hear the E80 in a AU pre socket. americanradiohistory. The values of R3 and C3 are arranged so that after oscillation starts the voltage builds up on the emitter due to rectification of the oscillations. (A regenerative detectors that is oscillating is a small transmitter. The output collector busses are broken into with two or more semi - tones on either side as a precaution. , which I received from Colin, K7fm, This receiver has been discussed on boatanchors. Frequency Divider. 1961 Knight Ocean Hopper Shortwave Regenerative Radio (before repairs) ECC82/12AU7 Regen Receiver. This brand-new, German made, antique look radio receiver uses a real vacuum tube, intended to be an experimental / educational radio receiver which manual lists 30 experiments. The advantages in size, weight and efficiency are well known. :) They are pretty much. Rare Radiotron 201-A Experimental Vacuum Tube. Nuts & Volts is written for the hands-on hobbyist, design engineer, technician, and experimenter. I will post pictures and a better description when I have done so. 6mA in the 10k collector resistor so the collector voltage is 3. Monochrome receivers are relatively "blind" to these added signal components because most receivers have relatively low response at 3. This particular schematic shows a 1G6 tube instead of the original #19 or #53 tube. UpTone Audio USB Regen for sale. WBR Regen Receiver For 40M - Duration: 7:25. Count me in. :) They are pretty much. That tube is a half-wave rectifier. 75MHz FM 145. The antenna coupling capacitor is a critical component in a regenerative receiver without an RF stage, like the Twinplex. ) Tung Sol 6550 Vintage Tested Good! - Tung Sol 6550 Vintage Tested Good! Radiotron model UV 200 vacuum tube rare experimental use only. To my wife of 30 years Judith Ann A special thanks to Barry and Shirley Wiseman, Electric Radio. If these experiments don't show the benefits of measurement, then I'm afraid nothing will. PCL82 = 16A8 = 30PL12 vacuum tubes LOT 25 PCS Philips branded ULTRON. - Electro Harmonix. 2020 - Prezrite si nástenku „Ham receivers" používateľa om3tkj na Pintereste. The Eico model 324 Signal Generator has two tubes and a selenium rectifier. I have not yet built this receiver, but intend to do so ASAP. 57 Philips model 895X Receiver. The receiver configuration is a DC controlled "Hartley" regenerative detector (using a cathode tap on the inductor) with Hi-Z phones for the anode load. Hear Radio Moscow. The AA8V Twinplex Regenerative Receiver by Greg Latta, AA8V The 6SN7 is larger and more rugged than the miniature dual triodes such as the 12AU7 and the 6CG7. An antenna of this type employing vacuum tubes was constructed by Vladimir Zworykin in the 1920s. Black Blue Maroon These are very compact and mediu…. Regenerative: 10. It will tune from about 3 mhz. It has a higher plate dissipation, but is also larger and has a bigger footprint. It employs 23 vacuum tubes (6AK6 x 3, 5654 x 2, 12AU7/5814A x 4, 26Z5W x 2, 3TF7 x 1, 6BA6/5749W x 6, 6C4/6100 x 3, 6DC6 x 1, 0A2WA x 1), a larger than normal count for most general-coverage receivers. The Circuit. i changed coils. A nostalgic desire sprang in the super regenerative receiver, and I wanted to make it in solid state this time. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. Broadcast AM and another coil for shortwave. Schematic only. A REGENERATIVE RECEIVER FOR BEGINNERS A modern version of the classic re- generative receiver is shown in Fig 17. This is a fun DIY electronics project. Hand made speaker. In the final minute or so of the video, the builder tunes around the 40 meter phone band. Winding L1 inductively couples the RF signal to a second winding L2 that — along with variable capacitor C1 — forms a resonant circuit covering the AM broadcast band (550 to 1600 kHz). its taped coil setup. That is inherent in a simple regenerative receiver circuit. Octal base, anode connection cap on the top of the valve. >That alone is the reason why Nolan has not had a 3TF7 problem, of course >haaving a properly aligned/repaired R-390A helps. DUAL 12AU7 Regen Radio. Both registration and sign in support using google and facebook. Low Voltage (12VDC) Two Tube Regen Receiver Using "Space Charge" Technology. Receiver consists of a regenerative rf stage, TR1, followed by a two of three-stage audio amplifier, TR2 to TR4. RF Signal Generator to Regenerative Receiver - ECC82/12AU7 Regen Receiver→ Download, Listen and View free RF Signal Generator to Regenerative Receiver - ECC82/12AU7 Regen Receiver MP3, Video and Lyrics. This article describes the basic functional principles of valves, as they developed from the discovery of the behaviour of free electrons in a vacuum, to devices that could amplify and generate electrical signals, coming into mass market use in the early 20th century. You can use Acrobat for viewing and printing PDF files. This receiver was a development of my original 12AT7 battery powered receiver. I will have it Monday. Propulsé par WordPress. What I really need is a "basic" triode for the Regen section and a "power triode" for the AF and Tx sections. (Update: Unfortunately the. About two years ago, before I was even a ham, I built my version of AA8V 's Twinplex regen. The only problem is that there are no links to the schematic for the radio. RF Signal Generator to Regenerative Receiver - ECC82/12AU7 Regen Receiver - Duration: 3:31. Dual band receiver > Lower Band: Roughly 3. Homebrew Tube Radio Gear. The regenerative radio receiver or, even super-regenerative radio receiver or, "regen" if you prefer, are basically oscillating detector receivers. So that settled it, this little box was going to be a regenerative receiver. 95 for each program. Four dual triode vacuum tubes are included with each kit (JJ 5751, 12AX7B China, JJ 12AU7 and a NOS USA-made 12AT7). i changed coils. A 12AT7 serves as an RF oscillator. The regenerative stage of Q1operates at less than 30 µW (50 µA at 0. Variants: The model 870A (1962-1963, new £33-35) is similar but with a fifth range extending coverage up to 24 MHz. Sitting on top of my favorite vintage receiver, a Collins 75A-4, are three homebrew projects: recycled Heath HG-10 VFO (pg. As a result this form of radio deserves its place in this summary of the different types of radio available. My next regen receiver - The AF amplifier Quick test of the AF tube amplifier module Now I have completed the build with the RF stages (an untuned amplifier based on a 6AK5 tube, followed by a regenerative detector based on a 12AU7 tube, wired as a pseudo-tetrode). Beginning of a dialog window, including tabbed navigation to register an account or sign in to an existing account. I hope you enjoy this year's picks. RF Signal Generator to Regenerative Receiver - ECC82/12AU7 Regen Receiver - Duration: 3:31. 5W RMS) with a 80 rec tube I needed a preamp which would drive into 400ohms. Regenerative: 17. H9 Anthem MRX 300 Receiver, Pioneer Elite BDP 51FD Polk CS350LS, Polk SDA1C, Polk FX300, (LPS-1, WW Plat7, Iso Regen, Lush) * Schiit Yggdrasil * Joule-Electra LA-100 mkIII * Pass Aleph 30 / First Watt F5 Clone * PSA Dectet * MIT S3 * Polk SRS 2. 0: 19: 55. Four inductees are pre-1950 and the rest were introduced between 1950 and 1995. The antenna coupling capacitor is a critical component in a regenerative receiver without an RF stage, like the Twinplex. I've drawn an awful lot over the years (gosh, come to think of it, I'm coming up on my 10th anniversary of getting a soldering tool :), from Doom levels to mechanical contraptions to metal-melting devices to electronic circuits. Buy Unbranded Valves & Vacuum Tubes and get the best deals at the lowest prices on eBay! Great Savings Free Delivery / Collection on many items. Operation is via headphones and/or an external loudspeaker. To go directly to the part that you want to purchase, search for the part with your browser using CTRL+F. Cheers George. 8i Tube Inter/Headphone Amp (4 x 6V6, 2 x 12AU7, 1 x 12AX7) Yarland P-100 Tube Headphone Amplifier "2008 Edition" ( 2x EL84/6BQ5, 2x 6N3P ) Audiotailor "Jade" Tube Headphone Amplifier (6AS7G x 1, 12AX7 x 1);. A common gate amplifier provides reverse isolation. The 12AT7 Regen. After digging through various TV tubes and pulling up datasheets, I found a 33GY7 that contains a diode and pentode, which could be used as the rectifier and audio output respectively and the 12AT7 for the regen and preamplifier. Part 2 of a homebrew regenerative receiver that uses a 12AU7 powered from 12 volts high tension. This project was inspired by WD4NKA's regenodyne and a lot of talk on the glowbugs reflector on the merits of the Pullen mixer. The 12AT7 Regen. I built it as a VFO instead of a crystal osc as the Weskit was and I tuned both TX and RX wit a dual gang variable cap, using a bandspread on the regen side and a padding cap on the TX side to keep things in reach. 3): Kathleen and I were catching up on our favorite "Mystery" detective one evening, Agatha Christie's Hercule Poirot, in an episode in which Inspector Japp taps his nose, gives Poirot a look, and says, "Better to let sleeping dogs lie, eh, Poirot?" Poirot twitches one of his immaculately cared-for moustaches and delivers a wonderfully. Bitten by the Ham Radio Bug A neighbor, who was a boater, bought one of the first transistorized short wave receivers in 1965 for the boat. The circuit is based on a design by EN Bradley for a pocket one-valve receiver, which used a 3A5 (DCC90) valve. Tube CAD, Se Amp CAD, Audio Gadgets For those of you who still have old computers running Windows XP (32-bit) or any other Windows 32-bit OS, I have setup the download availability of my old old standards: Tube CAD, SE Amp CAD, and Audio Gadgets. 1948: Boy's Own Paper As far as I can find, the first version of Gilbert Davey's one-valver was that published in the February 1948 edition of Boy's Own Paper. Aug 16, 2017 - Explore defragmen45's board "Radio ham" on Pinterest. 5 cm) high. Count me in. net Clegg Intercepter receiver for 6 and 2 meters also used the 7360 as a mixer. Those kits yet to be seen belong belong to VK2ZM and VK2BZ. Excellent condition. On the web there are many examples. 3 tube AM receiver. AGA30 Owner’s manual IMPORTANT SAFETY INSTRUCTIONS •Read these instructions. Picking up everything under the sun. Professor Eric Laithwaite: Magnetic River 1975. at category receiver circuit Page 9 : RF CircuitsCircuits and Schematics at Next. DUAL 12AU7 Regen Radio. Note reception gaps from. The coil is tapped with the tap going to the cathode of the second half of the 12AT7. Pozrite si ďalšie nápady na tému Amatérske rádio, Druhá trieda a Schopnosti na prežitie. The triode section is used as a regenerative detector, and the pentode section (wired as a triode) is used as a stage of audio amplification. A complete receiver circuit is shown. Hand made speaker. Full text of "Practical Electronics 1968 June" See other formats. Top deal of the day : Save up to 21% on tube receiver sale bargains! HiFi 12AU7 Tube Bluetooth 5. this tube is equivelant to the type ST 50, CX-350, UX-250. 12AU7 12VDC Regenerative Receiver UPDATE - 40 Meters Amateur Radio Band Regen Receiver The D-C-G Trick : What Famous Bands Did With Easy Chords! Vacuum Tubes/Valves by Mullard ~Manufacture for Audio TV Radio. That tube is a half-wave rectifier. This miniature receiver is based on a design I created in 1987; it was the first super regen set that was easy to use and had decent sound quality. But now that the year is over I can focus more on this blog. Chappy Happy 9,115 views. Etichette: 12AU7, 6AK5, 6AK6, radio, regen, regen receiver, regenerative, short wave, shortwave, tube radio, tube receiver sabato 21 marzo 2015 Panasonic RF-2200 restoration adventures - Part 2. 5 MHz Audio output: Headphone level only with diode audio limiters for listener safety Power supply: 2. A regenerative radio receiver is unsurpassed in comparable simplicity, weak signal reception, inherent noise-limiting and agc action and, freedom from overloading and spurious responses. 5uA of base current in the 1M base resistor. Nuts & Volts is written for the hands-on hobbyist, design engineer, technician, and experimenter. Anyway I got another tube pedal for you today. DIY Audio Projects Forum: FAQ: 12AU7 LM386 Regen single tube radio. apPOWER FROM THE SUN. If you don't see it in the pictures, it ain't included. Hi, I do apologies for the long silence but university does take a long time. Tube CAD, Se Amp CAD, Audio Gadgets For those of you who still have old computers running Windows XP (32-bit) or any other Windows 32-bit OS, I have setup the download availability of my old old standards: Tube CAD, SE Amp CAD, and Audio Gadgets. Minimum is 56. This is the official Youtube channel of GMI (the Guitar & Music Institute). The basic paradigm of this design is to break up the traditional oscillating detector into a separated regenerative amplifier and detector circuit. The 6L6 Transmitter uses two interchangeable coils mounted to a tube base. That's probably the reason that Boonton developed the 250 RX meter. The advantages in size, weight and efficiency are well known. Secondary winding 12 and capaci- tors C3 and C4 select the received sig- nal while tickler winding 1. Basic experiment of doide 81. [You may wish to put down a piece of cardboard or srap of linoleum or something like it underneath the receiver, to protect your table-top from scratches, and to facilitate turning the receiver around sometimes for easier access. The triode section is used as a regenerative detector, and the pentode section (wired as a triode) is used as a stage of audio amplification. Page 21-Discussion RC costs in the 1970s?? Fuel Plane Talk. Sep 11, 2019 - This Pin was discovered by Peter Barnes. Nov 21, 2015 - This Pin was discovered by Nicholas. Regenerative: 10. Interesting coil design with swith. * The MST 400 kit project is progressing nicely. I know that a 12AU7 is a 9 pin version (sorta) of the octal 6SN7GT. 12AT7 Super-Regenerative Receiver - Micro FM Tuner. Its design is low noise and anti-microphonic and was developed from the B8A EF40. Main stereo system. A 2000 ohm headset or an audio amplifier is required. 10 Rs, 15 Cs, 1 RF xformer, 1 power xformer, 1 loop antenna. Chappy Happy 9,115 views. Ham Nation Pine Board Project discussion. Is it possible?. more so top of 5 mhz. How to get 2times multiplied oscillation 9. In the final minute or so of the video, the builder tunes around the 40 meter phone band. 1) The Jones "One-Tube" Regenerative Receiver. 005% bei 10-20KHz 1W/4Ω< 0. The hundred quid plus 6SN7s have special audible properties which can only be discerned by those few people with the very finest hearing. The "Mono-Coil 2" Regenerative Receiver: Schematic missing but figure-outable. Shape and component layout can be made to suit the. Com Donate $7. K4KYV 2013-08-13; RE: Convert Tube Receivers to Solid State; I wouldn't recommend a wholesale conversion of the entire receiver. web; books; video; audio; software; images; Toggle navigation. ! Prefer browsing the desktop version? Click here to return to the desktop version of this site. A worthwhile improvement might be to convert the high frequency oscillator and BFO to a FET and let them run all the time with a small auxiliary power supply, eliminating the warm-up drift. This video describes a 1 valve regenerative receiver using a 12AX7 mains valve. The aim of this blog is to give a way to the engineering freshers to make a better career path in their domain. It did have a particularly bad shortcoming in that its performance dropped off severely at the low end of the VHF broadcast band. RCA 5963 12AU7 ECC82 Foil Getter Tubes, Matched Quad, Hello - I have a rare matched quad of RCA 5963 12AU7 ECC82 Foil Getter tubes for sale. The rectifier tube is a 6X5GT and the other one is a dual-triode 12AU7. At the start of the 21st century, using computers to perform music was sexy, and hardware got dusty as software helped us create powerful and portable rigs. Use a throttle cap for regen and please use a 12-012 volt/,45 amp transformer primary as the ***load for detector. Welcome to the AudioAficionado. You can also use this as the Regen control but the Throttle capacitor is "smoother". A regenerative radio receiver is unsurpassed in comparable simplicity, weak signal reception, inherent noise-limiting and agc action and, freedom from overloading and spurious responses. More Regenerative Receivers. The industry make from HiEnd the luxury commodity. at category receiver circuit Page 9 : RF CircuitsCircuits and Schematics at Next. 75MHz FM 145. 12AU7 Power Requirements: 110V-120 VAC 60Hz 180 (220 VAC 50Hz option) Dimensions: 9. 880 and it doesn't even have the lowers in it its stock, Check the crystal output and its good on all of them. The set is mounted on two pieces of masonite pegboard, providing a ready made speaker grill. This is a fun DIY electronics project. c 2000-2008, Tony R. Articles traitant de Regenerative receiver écrits par 3V8HB. oscillator transmitter, and the second triode is the choke-coupled modulator. It features 100 watts transmit power (or more), a digital display, and provides 1 Hz tuning resolution (digital display to be mounted in black box on upper right of front panel). The tube lineup is the same. (Or is it a 12AT7 or 12AX7?) Unlike most one or two active device receivers I've played with, an adjustable antenna loading coil did not improve volume on the AM BCB. I've drawn an awful lot over the years (gosh, come to think of it, I'm coming up on my 10th anniversary of getting a soldering tool :), from Doom levels to mechanical contraptions to metal-melting devices to electronic circuits. The Circuit. Gorgeous Homemade Manhattan-Style Scout Regen Receiver #hamr This goes way above and beyond a Scout Radio Merit Badge! Read more about what inspired this build and see more photos here at AA7EE’s blog. RF Signal Generator to Regenerative Receiver - ECC82/12AU7 Regen Receiver - Duration: 3:31. Buy tube receiver and save big - low UK Shipping & fast. Bitten by the Ham Radio Bug A neighbor, who was a boater, bought one of the first transistorized short wave receivers in 1965 for the boat. 20 uf 600v capacitors are pretty hard to find and expensive to boot-the last one I bought was a Sprague and it ran me thirty dollars. The aim of this blog is to give a way to the engineering freshers to make a better career path in their domain. I found a 10. 02 Shipping. Get the best deal for Vintage Tubes & Tubes Sockets from the largest online selection at eBay. Regen in a BC221. select the first character of the tube 0: 1: 2: 3: 4: 5: 6: 7: 8: 9: A: B: C: D: E: F: G: H: I: J: K: L: M: N: O: P: Q: R: S: T: U: V: W: X: Y: Z > 6/2(1-500) 642(501. like 12sn7/12au7/6u8 at low voltages (12-50) volts on plate. super regenerate receiver 8. Podem ser utilizados três tubos 6C6 ou 1SA6. Some Regenerative Receivers. Heat sink 7. 2,074 Likes, 12 Comments - DIY Electronics Richard (@codingheroes) on Instagram: "🇺🇸 Mini receiver with tubes. So you might rely on your audio devices to listen it in your own spac. Was regelmatig je handen en blijf op voldoende afstand van anderen. Page 277, circuit 17-8. The hundred quid plus 6SN7s have special audible properties which can only be discerned by those few people with the very finest hearing. Jonathan Scull reviewed the Jadis in March 1994 (Vol. I just got some NOS valves off eBay, (i paid 1 DOLLAR for them :lol: ). The regen still makes a great contest radio. The design builds on the receiver described by Daniel Wissell, N1BYT in QST August 2001. This gives the light side for a good regen and the power side for a power osc. This radio is designed for both 10m and 6m operation SSB and CW modes. By Al Klase. Dessa vez a alimentação é externa, de preferência por bateria e o circuito todo numa caixa menor. Chappy Happy 9,115 views. Is it possible?. A one tube regenerative receiver: From 1950 ARRL Handbook: Regenerative: 17. 1924 tube radio Crosley # 52 Regenerative Receiver w/ 3 tubes (good) C300/201A. The receiver uses a 16 inch square loop antenna wound on a wooden frame (13 turns #18) with a variable (30-365pF) capacitor. I think it will be worth it in the end. Regen típico seguido de dois estágios de áudio. MINI REGEN a la ONNO (PA2OHH) This is another regenerative radio from Onno ( PA2OHH ). Electronics Projects, Amatérske Rádio, Norte, Atelier, Haus. The rectifier tube is a 6X5GT and the other one is a dual-triode 12AU7. I've a friend building replica glowbug regen receivers who needs this info to help get his unit operational. Regenerative: 17. GENUINE Coleman 2" in. Photos of actual item. 2018/04/29 - RF Signal Generator to Regenerative Receiver - ECC82/12AU7 Regen Receiver - YouTube Stay safe and healthy. Operation is via headphones and/or an external loudspeaker. 1948: Boy's Own Paper As far as I can find, the first version of Gilbert Davey's one-valver was that published in the February 1948 edition of Boy's Own Paper. How a Regenerative Receiver Works. Regen típico seguido de dois estágios de áudio. Two types of 2 transistor 7MHz SSB receiver 77. 02% bei 1KHz Ausgangsleistung: an 8Ω – 600W Minimum an 4Ω – 1200W Minimum. This looks like a nice simple regenerative receiver to try. was this because my ic's are too. 59 PYE model 500 Receiver. The detector is a "plate detector", where RF is fed back to the Amplifier via a partially RF decoupled source (normally bypassed all the way for RF when used as a detector). I do have a trusty 6. receiver and the little coil which was tuned by a plastic wrench required touch –up as battery wore down. RF Signal Generator to Regenerative Receiver - ECC82/12AU7 Regen Receiver - Duration: 3:31. 12AU7, 12DK7: 75: 6BA6 Regenerative Receiver [In Russian]. 3 V at 300 mA or 13 V at 200 mA, making them suitable for either series or parallel operation. The Forum for High End Audio. It comes to life when you tune a signal. All require a set of work coils and calculation to obtain the value. Two Sylvania - $22. Forrest Cook Introduction. Matched Pair RCA 12au7/ECC82 Clear Top Tubes NEW Tung Sol 12AX7 Reissue TungSol Vacuum Tube I already have a Yaqin Integrated amp that I have been very pleased with so I am not worried about the quality (again under $200 even w/new tubes) I am going to pair it w/ a Parasound HCA 750 and run my SDA 1C's. Hier sind Überzeugungstäter am Werk: Line Magnetic setzt bei seinen Verstärkern exklusiv auf die Magie der Röhre. Single signal reception on a regenerative receiver. Wow! I have many of those tubes. TV-7/B test results: ≥105 per section. Digital to Analog Converters Class A Ayre Acoustics Codex, $1795. The transmitter is crystal controlled "grid-plate" (I'd call it a Colpitts) configuration with the tank circuit in parallel with the valve (shunt fed) and an RFC in the triode's anode circuit. Op onze informatiepagina's lees je waar je in deze periode op moet letten. I have at least a hundred 12AU7 and 12AT7 tubes here in captivity and only a couple of 6SN7's. See at the bottom for how I made these. Using the LM386 is a pretty a. 59200d2000 Oem - $638. electron Tube Data sheets - Type index. This receiver uses a 2N4416 JFET (orJ31()), which provides a more sensitive detector than an MPF102. The Movie Version. Discover (and save!) your own Pins on Pinterest. Some Regenerative Receivers. 1 mm jack for external 12v input or 9v on board battery. 5 cm) high. Johnson Invader Transmitter Ham Radio Hamfest Crossroad Vintage Hallicrafters SX-25 Super Defiant Shortwave Tub Jeff Tranter's Blog: 2013. 12AU7 REGEN' RECEIVER USING 12 VOLT HT SUPPLY Inspired by the references below, this is my build of the design described by John Hunter on his website (Ref 1), and Peter Parker in his youtube video's (Ref's 2 & 3). It will tune from about 3 mhz. 5uA of base current in the 1M base resistor. It's reasurring to know that my tube choice was sound though. Simple circuit found in a Russian forum. , 12V on the plate). This article describes the basic functional principles of valves, as they developed from the discovery of the behaviour of free electrons in a vacuum, to devices that could amplify and generate electrical signals, coming into mass market use in the early 20th century. See more ideas about Ham radio, Electronics projects and Electronic schematics. Thanks miken, zl1bnb. - Marconi Osram 1955. 75MHz FM 145. Photos of actual item. Chappy Happy 9,115 views. How a Regenerative Receiver Works. The results were not too good, noissy compared with Kitchin regen. Regenerative Receiver category is a curation of 24 web resources on , A 12-Volt Homebrew Regen, Designing Super-Regenerative Receivers, Small Portable Regenerative Receiver. you can pull out the 12by7,6cb6,6gh8 and the radio still keys and trans on 26. Constructed from re-cycled componentry. for both the filament and plate supply. The receiver weighs 85 pounds and can be operated on 120 volt or 240 volt supplies. It tunes about 470 - 1900 kHz, allowing reception of signals on either side of the AM broadcast band. This comes in really handy when using tubes like the 12AU7, which seems to work best with 8V on the plate in this design (fixed 8t tickler coil). I have a mark III that worked perfect until the other day, the transmit power was down a little so I adjusted it on the back of the radio. A total of 15 sets were made which was a great result. How a Regenerative Receiver Works. The triode section is used as a regenerative detector, and the pentode section (wired as a triode) is used as a stage of audio amplification. Homebrew Tube Radio Gear. Is it possible?. commercial receivers. Cheers George. On the AMRAD mailing list, Andre, N4ICK, posted a link to the YouTube video, “12AU7 regenerative radio on a tin bake plate” (see photo at right) It’s a very cool regenerative radio made with a single 12AU7 vacuum tube. This looks to be a tunable audio filter of some description. Shortwave Five-band Three Lamp Regenerative Vacuum Tube Radio FM Receiver Kit. As a booster it adds warmth and as a tremolo it goes from slow. The development of modern semiconductor electronics negated the advantages of designs (such as the regenerative receiver) that used fewer vacuum tubes. 194 | 12AU6, 12AU7 195 | 12AV6, 12AW6, 12AX7 196 | 12B8-GT, 12BA6, 12BA7 267 | AC/DC Superheterodyne Receiver 269 | Superregenerative Receiver 270 | AC-Operated Regenerative Short-Wave Receiver 271 | Battery-Operated Short-Wave Receiver 272 | FM Tuner 273 |. ECC82 / 12AU7 Medium-Mu Twin Triode. This amplifier is a more upscale evolution of the small xDuoo headphone amplifier. LampizatOr North America. The speaker is mounted on a cardboard. Anyway I got another tube pedal for you today. select the first character of the tube. 12BH7 single DC-receiver 74. Superheterodyne receivers have essentially replaced all previous receiver designs. The circuit is based on a design by EN Bradley for a pocket one-valve receiver, which used a 3A5 (DCC90) valve. select the first character of the tube 0: 1: 2: 3: 4: 5: 6: 7: 8: 9: A: B: C: D: E: F: G: H: I: J: K: L: M: N: O: P: Q: R: S: T: U: V: W: X: Y: Z > 6/2(1-500) 642(501. 12AU7 12VDC Regenerative Receiver - 40 Meters Amateur Radio Band Regen Receiver Chappy Happy. Back to Regenerative Receivers. am-trx for 6m. Since there are really two valves in one glass envelope, the set is really a two-valve receiver. This feedback network is an attenuation network which has a gain of less than one ( β <1) and starts oscillations when Aβ >1 which returns to unity ( Aβ =1. The detector is a synthetic tetrode; the calculated inductance of L1 is 1. O HANDBOOK HAMDBOOK SERIES PP) Edited by Milton B. Guitar and Music Institute. On the web there are many examples. 5 V 7KY6 Sharp-cutoff frame-grid pentode with a 7. My 12L6 regen set is a standard design. Jan 25, 2019 - 1947 One Tube Matchbox Radio | OneTubeRadio. hi, i am aware of the high quality jumpers available for integrated amps/receivers that have pre/main couplers. Payment by PayPal or bank transfer. Those kits yet to be seen belong belong to VK2ZM and VK2BZ. By Al Klase. The Regenodyne Using the Pullen Mixer. GoodSoundClub - Romy the Cat's personal High-End Audio site. In most respects, it was a rather unremarkable regenerative type radio (popular in the days before the ascendancy of the now ubiquitous superheterodyne) and the circuitry. Awhile ago I built a 4 stage regen using the same type of PS transformer. 5Y3 rectifier, 6BA6 RF amp, 12AU7 detector & audio amp. Those who like to experiment with transistors will find some useful tips here on using them as regenerative detectors. (Or is it a 12AT7 or 12AX7?) Unlike most one or two active device receivers I've played with, an adjustable antenna loading coil did not improve volume on the AM BCB. So I was driving today and noticed that lying by the side of the road was an old TV that someone had thrown out. Thanks miken, zl1bnb You'd do well to give an idea of what's inside. COMPLETE RECEIVER Here is the circuit diagram of my completed receiver. You needa tube amp with 12AU7 pre , , either all AU’s or a few AX;’s. I have at least a hundred 12AU7 and 12AT7 tubes here in captivity and only a couple of 6SN7's. Regenerative: 17. Later, he changed to a solid-state Sony. 6mA in the 10k collector resistor so the collector voltage is 3. The antenna tuner has one small design quirk. Professor Eric Laithwaite: Magnetic River 1975.