[Elecraft] Help with KAT1

Sat Jan 18 17:47:00 2003

Yes.  It's not going to be something that obvious.

----- Original Message -----
From: "Don Brown" <[email protected]>
To: "Doug Person" <[email protected]>; <[email protected]>
Sent: Saturday, January 18, 2003 4:44 PM
Subject: Re: [Elecraft] Help with KAT1

> Hi
>
> Did you remember to install the little one turn loop on T1 and disconnect
> R36
>
> Don Brown
> KD5NDB
>
>
> ----- Original Message -----
> From: "Doug Person" <[email protected]>
> To: <[email protected]>
> Sent: Saturday, January 18, 2003 3:28 PM
> Subject: [Elecraft] Help with KAT1
>
>
> Of all the kits to have trouble with...  The KAT1 is pretty simple but
it's
> got me stumped.  On page 9, I go through the steps to calibrate the SWR
> bridge but the voltage at TP1 varies only slightly between 1.6 and 2
volts.
> Power out under any circumstances with the Kat1 installed is 0.  Can
receive
> only faint signals.  With KAT1 out, the K1/4 works perfectly.  If I clip a
> test lead to the center pin of the antenna coax and then touch P2 pins
9-10
> signal levels come way up.  If I touch K4 pin 3 signals come way up.  Same
> for K1-K3.  I've examined ever part with a magnifying glass looking for
> trouble. Everything looks perfect.  I pulled out T1, carefully rewound it
> with fresh wire and reinstalled - no change.  I know I'm missing something
> pretty basic.  I just don't know what.  Appreciate any assistance very
much.
>
> Doug -- K0DXV
> K2/100 #1920  K1/4 #1297
>
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