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Curiously Strong Power Supply Design
18VAC dual secondary 160VA toroid into a full wave rectifier with 32*470uF caps, for about 5.5Vpp ripple at 10A. Rectified output is fed into four MC34063 based SMPS supplies, three step-down and one inverting. The outputs of the SMPS are fed into 5 linear regulators, for a 15V bipolar rails, 15V power amp rail, 10V small amp rail, and 6V shifty VU rail. Designs are compatible with non through hole plate boards. All boards will be fabricated on a Taig 2019CR CNC mill.
Posted by rmrubin 
April 2008