Listening to the on-air signal on a nearby receiver is a really *tough* test
of the transmitter. Things such as hum or noise on the signal that someone a
short distance away would never hear will blast out loud and clear.
That can be good. If the signal is clean on a nearby receiver, it's
c-l-e-a
Geoffrey Mackenzie-Kennedy wrote:
Although this might not be the cause of the modulation that you hear,
the sidetone generator, the BFO varicap tuning and receiver IF filter
varicaps circuits all share the Quad DAC chip U8 on the Control Board.
Ideally each DAC should be completely isolated fr
Dave Walker wrote:
I notice when I listen to my CW on a separate reciever that there appears
to be a slight husky modulation to the carrier. It's not located near a
power supply - so I've eliminated magnetic field interference. I do have a
manual MFJ tuner located 3 ft away. My antenna is a
oard. I will bet a donut that is open.
> Let me know.
>
> 73
> Alan
> W1HYV
> - Original Message -
> From: "David Walker" <[EMAIL PROTECTED]>
> To:
> Sent: Tuesday, July 25, 2006 3:44 AM
> Subject: [Elecraft] Clean CW signal
>
>
>
I notice when I listen to my CW on a separate reciever that there appears to be
a slight husky modulation to the carrier. It's not located near a power supply
- so I've eliminated magnetic field interference. I do have a manual MFJ tuner
located 3 ft away. My antenna is a G5RV that runs across
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