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[AMPS] Augmenting SB-220 power supply

To: <amps@contesting.com>
Subject: [AMPS] Augmenting SB-220 power supply
From: amps@txrx.demon.co.uk (Steve Thompson)
Date: Mon, 14 Sep 1998 07:23:59 +0100
In message <000601bddf3a$9adb4340$54998bce@bobhutch>, Bob Hutchinson
<bhut@nol.net> writes
>Is it feasible to improve of the current capability of the SB-220 power
>supply by connecting two of the standard SB-220 transformers in parallel?
>Perhaps with an outboard transformer augmenting the inside transformer.
>Would this technique provide a more robust power supply input capability?
>What would the ramifications to the rectifier, filter and other components
>be?

It's safer to use a separate bridge on each transformer and combine the
outputs into the capacitor bank - avoids the risk of reverse current
flow if one transformer has slightly lower output voltage.

Steve

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