Re: 144 mhz tuned input for a GG YC-156 ??
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What does the piece of Heliax do?
On Friday, January 5, 2024 at 05:26:02 PM EST, Peter Voelpel <dj7ww@...> wrote:
A pi-circuit ? 73 Peter, DJ7WW ? ? ? ? -----Original-Nachricht----- Betreff: [ham-amplifiers] 144 mhz tuned input for a GG YC-156 ?? Datum: 2024-01-05T20:51:29+0100 Von: "Jim VE7RF" <jim.thom@...> An: "[email protected]" <[email protected]> ? ? ? ? ? Ok, how does one go about building a tuned input for a 144 mhz amp, using a YC-156 tube ?? This is for a cathode driven? ?YC-156 ? ( The 1/2 wave tank for the output side is fine, and tunes up fine, with calculated RL.... to the 50 ohm output.)? The output is not the issue, it's the input.? ? What options, if any, do we have ?? ?What's the fix ? |