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Re: [Amps] Zener Screen Regulators

from [peter chadwick] [Permanent Link][Original]
To: AMPS <amps@contesting.com>
Subject: Re: [Amps] Zener Screen Regulators
From: peter chadwick <g8on@fsmail.net>
Reply-to: g8on@fsmail.net
Date: Tue, 04 Sep 2012 10:07:35 +0200
List-post: <amps@contesting.com">mailto:amps@contesting.com> 
The down side to a zener regulator is that the regulation is dependent on 
dynamic resistance of the zener. GW4FRX found many years ago that zeners were 
better than VR tubes, but changing to a proper shunt regulator gave an 
appreciable improvement in IMD with 4CX250Bs on 2m.

Peter G3RZP
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