Aha, I think I found it. It appears that I have swapped C14 (22uF) with
C50 (2.2uF).
On 6/6/2014 11:09 PM, Michael Eberle wrote:
Okay, I have gone through all the filters and adjusted them using a
noise source and spectrogram. The carrier showing up on PTT in USB or
LSB has disappeared but I think this went away with installing the top
cover.
I still have problems with the audio. I set the dial frequency to
14200.00 USB and transmit a 700Hz tone. Monitoring the transmitted
signal with my K3 and P3 this is what I see. The expected spike at
14200.70, another shorter spike at 14.201.40, and another small spike
at 14.202.10 -- exact multiples (harmonics) of the original 700Hz
tone. These spikes show up on all bands but 20 is the only band I
have actually used the P3 markers to measure.
What should I be checking for that could cause this?
Thanks,
Mike - KI0HA
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