[Amps] R. MEASURES PRAYERS ANSWERED

[Peter Voelpel]

One cause of arcing could be a lost or wrong antenna.
I always install spark gaps in my linears for that reason

73
Peter

-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
Behalf Of k7fm
Sent: Sonntag, 4. Juni 2006 03:16
To: R L Measures; Gudguyham at aol.com
Cc: amps at contesting.com
Subject: Re: [Amps] R. MEASURES PRAYERS ANSWERED

Rich said:

"The TL-922 also uses a 4500v Tune-C.  To protect the bandswitch from
arcs, I bent the first rotor plate until the breakdown potential
dropped tp 3500v, which is still c. 900v higher that the actual peak
AC anode voltage."

Why, after you install all of the Rich Measures protection circuitry, do you

have to worry about arcing in the TL-922.  It would seem that bending the 
plate is a useless act - unless there are reasons other than parasitics that

cause arcing.

Colin  K7FM

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