[AMPS] Blown TL922A... What to do?

[Steve Thompson]

-----Original Message-----
From: Mike Sawyer <kc4slk@csrlink.net>
To: Phil Clements <philk5pc@tyler.net>; amps@contesting.com
<amps@contesting.com>; Bill Aycock <baycock@hiwaay.net>
Cc: 2@vc.net <2@vc.net>; w8ji@contesting.com <w8ji@contesting.com>
Date: 14 September 2000 01:09
Subject: Re: [AMPS] Blown TL922A... What to do?


>
>Personally, I found the article, (The Nearly Perfect Amplifier) very
>informative. I remember that a friend of mine completed an amp using a pair
>of 813's. He originally used the standard "coil wrapped around the
resistor"
>style parasitic chokes. He was cited by local hams for distributing
unwanted
>spurs on 144Mhz, (and where else has never been found). After reading
Rich's
>article, he added the NiChr hairpin style parasitic chokes. This was all
>that was changed. Guess what?? No more spurs! NO nothing, but 700 watts of
>RF at the desired frequency. So there is something to be said for these
>style chokes.
>We tend to mock ,what we don't know.......
It would be interesting to know if a different suppressor design not using
nichrome could cure the problem.

Steve


--
FAQ on WWW:               http://www.contesting.com/FAQ/amps
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com