Posted on Saturday, August 22, 2009 • Category: Power Supplies
The main balanced power supply is constructed with the usual suspects, 7815 (pos 15 volt regulator) and 7915 (neg 15 volt regulator). These are fed from rectified AC via a PCB mount 6VA power transformer. I have use four diodes in a bridge rectifier configuration rather than a dedicated bridge rectifier as people have had trouble finding P04 and W04 rectifiers and it allows you to get esoteric with low noise switching diodes. I used the simple and easy to get IN4004 but some at Tech Talk have suggested more exotic devices.
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