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[AMPS] Problem with SB-220 Bias Diodes

To: <amps@contesting.com>
Subject: [AMPS] Problem with SB-220 Bias Diodes
From: 2@vc.net (measures)
Date: Thu, 31 Aug 2000 03:54:57 -0700
>
>The forward polarized diodes used are probably unsuited for this 
>application or with some short term abnormal condition (i.e. lousy 
>antenna connector, bad soldering somewere, parasitics, etc.) 
>Change diodes with larger devices or better use the original Zener 
>connecting it to the ends of the diodes stripe (enough to remove one 
>from the chain), finally the zener it's an upgrade.
>
10w zener diodes typically short when exposed to high surge currents.  3A 
diodes can handle 200a-peaks.  ....

-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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