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Micamold XTR-1 Transmitter "A three tube 25 watt transmitter that covers the amateur frequencies of 20 meters, 40 meters, and 80 meters." X: 19.0: 6AG7,6L6: 187: One-tube transmitter (80 meters) From "Operation Home Brew" X: 19.0: Uses a single 807 (!) 188: 6AQ5A QRP 80M/40M Transmitter: By Scott Brigham, AA0HU: X: 19.0: 6AQ5A: 189: 2-Valve CW ... * The Vacuum Tube QRP Transmitter Once I began planning my tube QRP, reality began to sink The power supply Bob, K6VGA, told me about the homebrew super-regen receiver he built back in...
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Often the transmitters were single tube rigs often built on a wooden board. It was true "al fresco" -- also a shock hazard because high voltage was in the open with very little protection for the operator. There were many popular tubes used in these transmitters including the 10, 27, and noteworthy the 45 was very popular as well as the 2A3. Aug 04, 2015 · Posts about Homebrew written by n2htt. Summer in the Northeast is the perfect embodiment of the 80 / 20 rule: we get 80 percent of our outdoor activities in during the 20 percent of the year when the weather is nice.
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Homebrew Radio Links - K3UH (Russ). I've tried to list links where there is (1) a picture, and (2) a schematic. Some of the pages are in other languages, particularly German.(-) Gonset Communicator II, a Central Electronics 10B, homebrew 6AG7 linear amp, and a "ARC 5" BC454 receiver. While in the last year of college gear was sold off and a: (-) Homebrew 14 tube receiver was built and a Viking Adventurer Transmitter with the old screen modulator was put into service.
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This is my one tube transmitter that I built. A look at a really ugly homebrew Ameco AC-1 (near) clone CW transmitter built using a single 5763 beam power tetrode ...
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Tabletop Class E AM transmitter (80/160m) (completed) Class E AM transmitter A big one! (Completed) Homebrew AM Transmitter (4-125's modulated by 4-125's) (a project I started but never finished) Collins 312A-2 (S/N 1 !!) Collins 32V2 (Completed) Collins 75A2 (Completed) Collins KWS-1 (Completed) Eldico SSB-100 (Completed) FOR SALE (make me an ...
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On most of the J Pole designs out there, a choke should be used as close to the feedpoint of the antenna as possible to help prevent rf on the feedline and creating difficulty with SWR readings. Based on allamericanfiveradio's AM transmitter.i spent at least 1 hour trying to get this to work. please comment if you have any ideas for better operation. and i made a mistake...
Homebrew Two Tube Regenerative Radio. Actuallyoptician. 4:07. Homebrew Ham Radio Antenna Mount for Camping. Frank Levi. 1:53. 1921 Spark Gap Transmitter / Ham Radio. Lifestyle.The problem here is not the tube but the modulation transformer (or Reactor as they say in the broadcast industry). A good one is very expensive. I assume you plan to modulate the finals tubes for best sound so you will need one. Some hams buy dead AM broadcast transmitters just to get the modulation transformers inside them...
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A homebrew Single Sideband transmitter A photo-essay for the geeks out there I got my ham radio license in high school, in 1969, and it took me no time to cobble together a single-tube CW transmitter and start communicating with radio amateurs around the world.
K4GC's Homebrew Amateur Radio Page - Homebrew amateur radio site including tube and solid homebrew state transmitters and receivers. F1FLA - X-Yagis - How to build big X-Yagis for VHF HAM Antenna Plans and Projects - Plans, pictures, parts lists for HF, VHF, UHF antennas. With your cassette tape player, phonograph or high output microphone, this one tube transmitter The Wave is a versatile stand-alone, tube driven analog spring reverb unit kit. It can be used in front...
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N1NKM's Homebrew 1-Tube AM Radio. A fairly sophisticated 3-stage BCB radio using the admittedly odd 15BD11 tube, which is what the author had in the junkbox. A 6V version of the same tube exists (the 6BD11) and may be easier to use, and certainly easier to light up. Compactron AA5 AM Tube Radio by Bob Casey WA2ISE. Bob re-implements the classic ... This little gem has a maximum input of 10-12 watts so will typically produce around 4 or five watts of output – a vacuum tube QRP transmitter! If you have worked mine (which is set up for 4-watts out), you know how nice it sounds and you may be tempted to build one.
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The transmitter here is a homebrew "one tube" crystal oscillator. It uses a 6146 in a Grid-Plate circuit and puts out about 15 watts running straight thru on 80 or 40 meters, or doubling on 40 or 20 meters.Behind the VFO tube is the FCI/MCW module and to the left of it are the two 1625 multiplier tubes. The module in the center of the transmitter is the LFO. In the section at the rear of the transmitter, to the left side is the modulation transformer from which its plate leads connect to the two 811 modulator tubes.
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Home Forums PC, Console & Handheld Discussions Nintendo Switch Discussions Switch - Emulation, Homebrew Hide similar threads Similar threads with keywords - LennyTube, Homebrew, Youtube.After messing about for a while and just trying things, I finally got a working AM transmitter! Using an armstrong oscillator and a pentagrid converter to generate the rf and mix the audio in. And one half of a dual triode to amplify audio signal from a phone jack. It currently resonates at 1MHz. If I remove the tank capacitor, it goes up to 4MHz.
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80 Meter Tube Transmitter by SM5GNN This is a variation of the triode/pentode family of glowbug 80-meter CW Transmitter by K9PPW This is a schematic of Bob's homebrew QRP transmitter.144.00 Mhz 1.5Watt CW transmitter 137 Khz CW transmitter 137 Khz Big Coil antenna, over 1 square meter 27Mhz FM 0.5W transmitter 800Watt HF 4tubes amplifier 80Watt HF one transistor amplifier 1.3GHz Freq counter LED display, main design by OZ1DV 1.7GHz Freq counter LCD display, main design by AADE 2500 W PA controller with PIC16
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Have you ever wanted to broadcast your own radio station within the neighborhood? Ever get curious on where people get those "Surveillance Bugs" from spy and... 100 watt short wave Tube transmitter. This schematic is built and test and works. The schematic is easy and use the tubes EL84, EL34 and two 807 tubes. The part with the EL84 is the crystal oscillator, the EL 34 is the buffer trap and the part with the two 807 tubes is the final power trap. Some hints and tips.