Microwave Power Products plans to close operations at the former Econco facility, ending its program for rebuilding tubes in ...
“Diode Modulation” is a simple means of creating an AM signal. The exciter creates the carrier. Audio is combined to create amplitude and sidebands and then sent to a half-wave rectifier. This signal ...
Series 38 consists of literature, data, and photos pertaining to different types and models of vacuum-tube type radio transmitters. It includes lists of vacuum-tube transmitters made by different ...
One of the more popular trends in the ham radio community right now is operating away from the shack. Parks on the Air (POTA) is an excellent way to take a mobile radio off-grid and operate in the ...
Not too long ago, I saw an RF power amplifier that used a whole array of type 6146B vacuum tubes. The chassis held a whole lot of those tubes all running in parallel. We may be living in the age of ...
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