Results tagged #Vacuum Tubes in Circuits
Vacuum Fluorescent Device Regenerative Receiver
This little project arose from a desire to experiment with some of the more "traditional" methods of radioconstruction which enjoyed popular...
A Journey into Building Radio Transmitters with Vacuum Tubes
A copy from an old italian magazine of amatorial electronics, proposing an add-on for tube receivers. The add-on was a simple one-tube short...
VACUUM TUBES in UHF circuits
The use of a quarter-wave parallel-wire line as a tuning unit has been discussed in the chapter on Short-Lines, where it was pointed out tha...
Vacuum Tubes
Miniature vacuum tubes with cathodes of high-field-emitting carbon nanotubes are currently under study at Agere Systems in Murray Hill, NJ. ...
12sl7 srpp kt88 sipp acoustic tubes amp and supplies
A Pair of Push-Pull Class A, Ultra Linear Mono Block Tube Amplifiers that can be used with several different vacuum tubes including KT77 / 6...
vfd
Vacuum tubes represent an electronic technology whose roots extend a century and more into the past. With the exception of their continued u...
807 and 1625 Valves as power amplifiers
Vacuum Tubes 807 and 1625 are commonly used by hams as power amplifiers. Both tubes are audio power amplifier beam tetrodes in the output st...
5 tubes QRP SSB Transceiver for 20m ham band
This true SSB transceiver is built around just 5 vacuum tubes, with no transistors nor ICs. Superhet receiver with AGC and S-meter drives a ...