[Elecraft] Tx distortion

[Don Wilhelm]

Mike,

Notice that U2 also has an output that is involved in PTT and VOX 
detection via U4 and the COMP OUT signal.
The signal at the output side of C31 is driving an impedance of about 8k 
ohms.  I don't know what your Symetrix mic amplifier is capable of driving.

73,
Don W3FPR

On 2/2/2019 1:55 PM, mustang65 wrote:
> Don,
> 
> Thanks for the suggestions.
> I am thinking of putting the outputsignal from the symetrix 528e microphone
> amplifier
>   to c20 on the ksb2 board so I will bypass U3 and let the signal go direct
> to u5 NE602
> and that way found out if u2 is bad.
> I will come back with the result.
> 
> 73 Mike sm3xgm
> 
> 
> 
> 
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