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Old 12th June 2002, 05:18 PM   #1
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Join Date: Jan 2002
Default Battery Supplies

I am using battery supplies on my MOSFET power follower.

2 60Ah 12v SLA per channel.

Do I still need large value caps on the power supply?

Any recommendations for noise reduction etc...?

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Old 12th June 2002, 08:53 PM   #2
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Join Date: Apr 2001
Location: Poole, England
Default battery Supplies

You should use reservoir capacitors in parallel with the batteries - the current from the batteries relies on a chemical reaction, this inevitably will not be as instantaneous as may be required.

You might want to get some ideas about existing amplifiers notably the hiraga design using this battery/capacitor arrangement from;
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