[Elecraft] KX1 speaker output with superimposed oscillation

[Francisco Barros]

Hi Bob,

Hate to say it, but it has the same behaviour with the new value of 4.7k for 
R21: the audio signal shows the parasitic oscillation just on the negative 
peaks, even with a 10 uV RF level.

In any case, many thanks !.

73,
Paco

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