It might be a good praktis to use both diodes in serie , zener and normal Si
diodes, temperature drift is opposit.
Jos on4kj
-----Message d'origine-----
De : amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] De la
part de Gudguyham@aol.com
Envoyé : lundi 6 novembre 2006 18:24
À : W2RU@frontiernet.net; a_borg@yahoo.com
Cc : amps@contesting.com
Objet : Re: [Amps] Zener Bias Replacement
In a message dated 11/6/2006 1:11:42 P.M. Eastern Standard Time,
W2RU@frontiernet.net writes:
>I need to replace a zener bias diode. I have a ton of 1N5408's. Any
>problems with using a string of 9 X .07v [sic] =6.3v diodes connecting
>the cathodes to the center tap replacing a 6.3v 50W zener ?
>
Typically this is done on may amps, but be sure to reverse the diode
polarity when used this way. It works fine in an SB-220 and I have done it
several
times. Good Luck Lou
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