[Elecraft] KAT2 Problem
Ian Keyser
Ian Keyser" <[email protected]
Tue Dec 2 04:18:01 2003
well, they look low to me,
you are using the correct core??
Ian
G3ROO
----- Original Message -----
From: "Thomas Beaudry" <[email protected]>
To: "Ian Keyser" <[email protected]>
Cc: <[email protected]>
Sent: Tuesday, December 02, 2003 2:55 AM
Subject: Re: [Elecraft] KAT2 Problem
> > I would now try to do isolation of circuitry. Turn R1 and R2
> > fully anticlockwise. now check the voltage at the top end of
> > R1... is that correct?
>
> I have no idea what correct should be. I didn't see anything in the
> manual. But here are what I measure:
>
> 0.775 V fully clockwise
> 0.850 V fully counterclockwise
>
> > If it is, there is a problem on the input to the processor and U4.
> > If it is not there is a problem in the VSWR Bridge circuit. Of
> > course the transformer is the obvious choice area but there
> > could be an incorrect or faulty component..... check that
> > B***** transformer yet again, is the end of winding two
> > connected to the beginning of winding three?
>
> Yep, windings are hooked up as they should be.
>
> --
> Thomas M. Beaudry
> k8la / ys1ztm
> K2 # 3422
>
>