MOD: Omni 5, sidetone

[Steve Ellington]

The cw sidetone in my Omni 5 sounded choppy. Dits were being clipped, 
making it difficult to use at speeds over 30wpm. 

The dual trace scope showed a substantial delay between the triggering
of the sidetone and actual audio output from the sidetone board. 

Putting a 12k resistor across C1 on the sidetone board eliminated the 
delay. Now the sidetone responds beautifully to fast cw and is much more
pleasant to use.

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