Amps
[Top] [All Lists]

[AMPS] Screen regulator circuit needed

To: <amps@contesting.com>
Subject: [AMPS] Screen regulator circuit needed
From: measures@vc.net (Rich Measures)
Date: Wed, 18 Nov 1998 13:10:21 -0800
>
>Message text written by Rich Measures
>
>>However, one need not use the same obviously-flaky zeners that GW4FRX used
>. <
>
>For the record, the Zeners used to derive the comparison data illustrated
>on Ian's web site were nine 20W Philips/Mullard BZY93C39 purchased
>specifically for the tests. These were chosen to give a nominal 350V for
>comparison with the stabilised supply being developed at the time. It's not
>clear why such components should be "obviously flaky", 

Was not the IMD degraded by the shunt zener regulator?

>....especially since
>ISTR that this particular arrangement was the least worst of several Zener
>combinations tested around the same time.    
>
What was the measured fluctuation in screen potential from zero signal to 
max. signal with the zener shunt regulator?
-  thanks

-  cheers, John


Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


--
FAQ on WWW:               http://www.contesting.com/ampfaq.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>