Dual Polarity Power Supply

This power supply has a dual output to supply voltages needed for both sides of the isolated circuits in the Elfrad Receiver.  + and - 5VDC furnishes voltage needed for the U2, U3, U4, U5,U6, and U7 ICs. The + and - 12VDC supply furnishes the voltage for U1, and U2 side of the circuit.  Be sure to keep the commons (G1 and G2) separated. ©1998

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