[Amps] Sampling RF at input and output of an amplifier

Jim W7RY w7ry at centurytel.net
Thu Jan 16 10:13:21 EST 2014

I simply use DC instead of RF to check the relays themselves. There is 
info on the WD7S web site for that. For measuring an actual radios relay 
speed, I use RF from the transmitter and DC for the amplifier switching 

Jim W7RY

On 1/16/2014 4:26 AM, Pete Smith N4ZR wrote:
> I want to use an oscilloscope to view the relative timing of the 
> relays in my homebrew QSK system, and would like to be able to sample 
> the RF as simply as possible. Absolute amplitude isn't important, but 
> timing is. What is the minimalist approach?

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