Yes, it is a 2m amp with YC-179.
The quarter wave stub is a notchfilter for harmonic supression.
The amplifier is built and used by a friend.
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73
Peter
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-----Original-Nachricht-----
Betreff: Re: [ham-amplifiers] 144 mhz tuned input for a GG YC-156 ??
Datum: 2024-01-07T17:52:04+0100
Von: "Jim VE7RF" <jim.thom@...>
An: "[email protected]" <[email protected]>
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A pi-circuit
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73
Peter, DJ7WW
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##? I don't get it.? You already depict a PI network, with adjustable pair of caps and small coil.? ?How exactly does the heliax fit into the overall scheme ?? ?Is this? 144 mhz amp with the YC-156 ???
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