The addition of a control loop would be helpful with the output filter
capacitors, since it will compensate dynamically for the 120Hz ripple on the
output, thus reducing the capacitance requirements on the output side.
>> Agreed. The feedback likely isn't required, and since the output is at
>> 200Khz, square wave, less output capacitance is required than a conventional
>> 60/50 Hz design. Simply increas the output capacitence, or even use a small
>> PI output filter. Actually, the PI output filter for W9QQ's design was
>> mentioned in a follow on correction to the original article.
Paul Decker (KG7HF)
----- Original Message -----
From: "Alex Eban" <alexeban@gmail.com>
To: "Paul Decker" <kg7hf@comcast.net>, "KD7QAE" <KD7QAE@ARRL.NET>
Cc: amps@contesting.com
Sent: Thursday, May 21, 2009 5:11:51 AM GMT -05:00 US/Canada Eastern
Subject: RE: [Amps] Source wanted for HV switch-mode power supply
The addition of a control loop would be helpful with the output filter
capacitors, since it will compensate dynamically for the 120Hz ripple on the
output, thus reducing the capacitance requirements on the output side.
Ale 4Z5KS
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