Amps
[Top] [All Lists]

[AMPS] 8877 bias

To: <amps@contesting.com>
Subject: [AMPS] 8877 bias
From: wb8jkr@juno.com (Mark S Graalman)
Date: Sun, 19 Dec 1999 06:24:51 EST
   Dick, if I remember right I'm using a 8.2 volt zener in mine and
the idle current at 3500 volts is 180 ma.

Mark  WB8JKR


>
>Reflectories,
>     I have two 8877 amps, I built them with 12V zener diodes for 
>bias,
>they both idle at abt 40-50 ma. I changed one to 9.1V still 40-50 ma. 
>If i
>eliminate it, the idle current is 275 ma. (I'm running 3KV). I next 
>want to
>try 5.1V, but have never seen an amp article use such a low voltage. 
>what
>are others using for bias and what resting current?    Thanks, Dick
>

___________________________________________________________________
Why pay more to get Web access?
Try Juno for FREE -- then it's just $9.95/month if you act NOW!
Get your free software today: http://dl.www.juno.com/dynoget/tagj.

--
FAQ on WWW:               http://www.contesting.com/ampsfaq.html
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm


<Prev in Thread] Current Thread [Next in Thread>