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Re: Spurious RF at beginning of transmission

 

Hi Joe,

That's a good cure for the RX thump, but it doesn't deal with the TX spur that is about 60 mS wide.

73, Bob, WB4SON


On Wed, May 31, 2017 at 6:12 PM, Joe <joeman2116@...> wrote:
Hi,

I think PTT noise is an issue which most everyone if not all have noticed.? There are several solutions. I finally decided on a circuit which uses a FET and transistor to cure the problem, I have done it on both ?of my BITX40 and it cleared the problem.?

Here is the article:Email -- Subject - ?PTT Thump mute
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