ultra-regulation power supply +24V -24V by LM317,LM337

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The ultra-regulation of the power supply +48VDC,+24VDC,+16.4VDC is so over the top and unnecessary that most, if not all, people building this amplifier would not even notice the difference. However there are a number of benefits to this design. First its a dual tracking design. Because the open loop gain of the amp is low, its common mode rejection due to the power supply is not great. However if both the + and - voltage rails move up and down the same amount, there is no bias drift.

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Thank you.

This entry was posted on Sunday, March 2nd, 2008 at 11:31 am and is filed under LM317, Power supply. You can follow any responses to this entry through the RSS 2.0 feed.