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[AMPS] Screen regulator circuit needed

from [Steve Thompson] [Permanent Link][Original]
To: <amps@contesting.com>
Subject: [AMPS] Screen regulator circuit needed
From: amps@txrx.demon.co.uk (Steve Thompson)
Date: Mon, 16 Nov 1998 21:40:50 +0000 
In message <19981116084244.AAA24137@[209.239.238.73]>, Rich Measures
<measures@vc.net> writes
>>>Since FETs operate with zero gate current, paralleling FETs for more 
>>>current is easy.
>>
>>Only if they have the same, or fairly similar gate threshold voltages -
>>not a problem with same types having same date codes but beware of
>>mixing date codes or type numbers without measuring first.
>
>This is why I use an equalizing resistor in the series-pass reg. circuit 
>on my Web site.  FETs should not be paralleled without equalizing 
>resistors.  
Agreed.

Steve

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