Bias-voltage generator

Details Bias-voltage generator Bias-voltage generator

1982-06-14

1984-05-22

Wong, Peter S.

Electric power conversion systems

Current conversion

With voltage multiplication means

363147, 307296R, 307297, 307200B, 307304, H02M 318, H03K 301

Patent

active

044505159

ABSTRACT:
A bias-voltage generator suitable for measuring a substrate leakage current is disclosed. The bias-voltage generator comprises of an oscillator, a charge-pumping circuit which is driven by the oscillator via a pumping capacitor, and a charge-pumping switch. The charge-pumping switch is connected in series with the charge-pumping circuit. The charge-pumping switch cooperates with an external electrode for controlling the ON or OFF condition of the charge pumping circuit. The charge-pumping switch is turned OFF by the external electrode becoming a floating state and a resistor employed to ensure the charge pumping switch is inoperable after the above-mentioned measurement is completed and the circuit is shipped from the factory.

REFERENCES:
patent: 3944908 (1976-03-01), Oki
patent: 4068295 (1978-01-01), Portmann
patent: 4281377 (1981-07-01), Evans
patent: 4378506 (1983-03-01), Taira
patent: 4388537 (1983-06-01), Kanuma
patent: 4390798 (1983-06-01), Kurafuji

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