Re: Finished my Nouveau 75, hum on transmit audio!


w9ran <w9ran@...>
 

On 11/21/2019 9:00 AM, John P Lloyd via Groups.Io wrote:
Putting it on an antenna has the same result with the hum.
John -

So are you saying the hum is still present on the dummy load?  Or only when used on an antenna?

73, Bob W9RAN

PS:   There is not a separate PTT line as in most radios, the N-75 detects the change in voltage that occurs when the mic PTT switch is closed.  To key the radio w/o the mic you'll need a 4-circuit TRRS plug - short the sleeve and first ring together.

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