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[AMPS] equalizing resistors/caps on small HV power supply??

To: <amps@contesting.com>
Subject: [AMPS] equalizing resistors/caps on small HV power supply??
From: amps@txrx.demon.co.uk (Steve Thompson)
Date: Tue, 27 Jul 1999 18:13:23 +0100

-----Original Message-----
From: Rich Measures <measures@vc.net>
To: itr@nanoteq.co.za <itr@nanoteq.co.za>
Cc: amps@contesting.com <amps@contesting.com>
To: <amps@contesting.com>
Date: 27 July 1999 16:29
Subject: Re: [AMPS] equalizing resistors/caps on small HV
power supply??
>>Could someone please enlarge on the procedure of matching
diodes, using
>>simple multimeters, etc.?
>
>You must have a means of measuring avalanche voltage at c.
2uA.  In other
>words, yu need a high-pot tester.  .  Diodes are typically
graded into
>drawers marked >800v, >900v, >1000v, >1100v, on and on.
Diodes from the
>same drawer are used to make a string.
>-  notes:  I would discard any diode that has more than
1300 piv, shows
>an erratic piv, or exhibits an erratic forward voltage drop
at full rated
>current.


Why don't you trust 1300V+ piv?

Steve



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