I would be grateful if any private replies to this e-mail would be copied 
to me as well.

Sounds a lot like a DC to DC converter I will be looking at in a couple
of months. 

Best regards

Chris Chileshe
Ultronics ltd.

mailto:chris.chile...@ultronics.co.uk


-----Original Message-----
From:   andrew.p.pr...@baesystems.com [SMTP:andrew.p.pr...@baesystems.com]
Sent:   Tuesday, June 12, 2001 11:06 AM
To:     emc-p...@majordomo.ieee.org
Subject:        Supply i/p & o/p filtering


Hi there,

Has anybody got any circuits for input and output filtering of dc to dc
switch mode supplies, looking to filter a supply with a clock rate of
300kHz, that is a switching a 28Vdc square wave into a transformer. Ouput
supplies and 0V taken from transformer tapings.

Note: at present 0V not referenced to ground on output.

Input has a cm choke and X cap


Regards
Andy


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