Dual voltage generation circuit

Details Dual voltage generation circuit Dual voltage generation circuit

1995-08-01

1996-10-22

Wong, Peter S.

Electricity: power supply or regulation systems

In shunt with source or load

Using diode

323350, G05F 1613, G05F 1618, G05F 1325

Patent

active

055680437

ABSTRACT:
A dual voltage generation circuit, responsive to a switching signal, to selectively generates a constant voltage at an output terminal is provided. The generation circuit comprises a switch transistor, a first and a second zener diodes and a diode. As the switching signal is logic high, at the output terminal, the circuit outputs a first constant voltage, and as the switching signal is logic low, the circuit outputs a second constant voltage.

REFERENCES:
patent: 3577062 (1971-05-01), Hoffman
patent: 4390829 (1983-06-01), Jarrett
patent: 4933572 (1990-06-01), Smith et al.

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