[Elecraft] K2 signal tracing question

[David Woolley (E.L)]

Paul Fletcher wrote:

> into saturation. I'm only measuring 4.9V on pin 1 of U2 which seems way low
> compared to the spec. Is this enough input as the spec is 145mV RMS from a

Where are you getting the specification from?  The K2 doesn't operate 
the IF amplifier at the Vcc value given in its data sheet and the AGC 
operation scales with supply voltage.

> RF probe (which I don't have - I'm using a scope). Initial checks haven't
> shown up anything significant but I will start from scratch again tomorrow
> as this week has been lost repairing my scope.
> 

-- 
David Woolley
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