This is a new one on me, as is the recent suggestion of increasing C72 from
10 to 100n on the KPA100.
I get QSK clicks regardless of whether the PA is enabled or not, so I
haven't tried the C72 mod. I have the KAF2 audio filter, no DSP. I have
1M0 in parallel with R17 (3M3) to speed up the QSK. Will the 100k /MUTE
line mod help reduce the clicks? Any feedback would be appreciated.
Thanks / 73 Fraser G4BJM #4368
For anyone wanting to add the 100K resistor on the /MUTE line, there is no
need to remove an IC - the trace from pin 17 of the MCU runs over to C23 on
the front side of the control board - that trace can be easily cut and the
resistor added from C23 to U6 pin 17 on th eback of the board.
73,
Don W3FPR
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