What's the source of the 700 Hz tone? Are you sure it is clean?
If you reduce the level of the 700 Hz tone, do the spikes go down at the
same rate as the fundamental, or faster? If the latter, you may be
overdriving the K2.
On 6/7/2014 7:40 AM, Michael Eberle wrote:
Unfortunately, switching the caps to their correct positions did not
solve the problem.
On 6/7/2014 9:22 AM, Phil Wheeler wrote:
Good job, Mike. Caps are pretty easy to mix up; I've done that several
times.
Phil W7OX
On 6/7/14, 12:54 AM, Michael Eberle wrote:
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:
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.
Thanks,
Mike - KI0HA
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