[Amps] Checking relay timing with a scope

Paul Christensen w9ac at arrl.net
Sat Jun 20 13:12:12 PDT 2009

----- Original Message ----- 
From: "Pete Smith" <n4zr at contesting.com>
To: <amps at contesting.com>
Sent: Saturday, June 20, 2009 3:52 PM
Subject: [Amps] Checking relay timing with a scope

> I've only been doing this ham radio thing for 55 years, but until
> this year I never owned or even used an oscilloscope.  I now have an
> old 15-MHz dual trace machine that works fine, and I'm trying to
> figure out how to use it to verify the relative timing of the relays
> in my modified SB-220. Can someone explain at least in general terms
> how to go about this?
> 73, Pete N4ZR
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