Re: K2: Strange behaviour during alignment and tests (part II)
Posted by
David Woolley (E.L) on
Jan 21, 2008; 8:27am
URL: http://elecraft.85.s1.nabble.com/K2-Strange-behaviour-during-alignment-and-tests-part-II-tp459424p459425.html
wrote:
> Measuring the AGC-treashold voltage on pin 5 of U2 (control board) gives a
> range from 2.65-3.74 volts when adjusting R1 from counter-clockwise to
This is normal, 3.8 is only achievable if all components have nominal
values (and may actually not even be achievable then). It might be worth
checking the 8V regulator voltage, though, as one person with a, bigger,
problem with the AGC reference had a regulator that was out of spec.
--
David Woolley
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