[Elecraft] Hum in the Sig mode-KX1

Thu Jan 15 09:42:06 2004

What does it do on battery power?
Sounds like you may have a dirty power supply but I would have expected the
hum to appear all the time.

Robert VE3RPF

----- Original Message ----- 
From: "SJH" <[email protected]>
To: <[email protected]>
Sent: Tuesday, January 01, 2002 12:23 PM
Subject: [Elecraft] Hum in the Sig mode-KX1

> I have completed the KX1 including the 30M option and have not yet added
> the ATU module but noticed I here a 60 cycle hum in the audio when I
> switch to the Sig mode which shows the second digit blinking indicating
> this is in the Bar graph mode.   When I switch out of this by pushing in
> combination the  Band and Rit buttons , it goes away.....Any
> suggestions??????  Transmitter section seems to check out at this point
> and I don't seem to have any shorts in the 30M module
>
> Steve
> KQ4UB
>
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