Drive circuit with a ring oscillator for a semiconductor device

Details Drive circuit with a ring oscillator for a semiconductor device Drive circuit with a ring oscillator for a semiconductor device

1988-07-29

1989-06-27

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307304, 307270, H03L 100, H03K 3353

Patent

active

048432580

ABSTRACT:
A drive circuit for driving a semiconductor device includes a reference voltage level generator for outputting a reference voltage level which is associated with an input voltage level from an external power source. Supplied with the reference level, a ring oscillator oscillates a frequency signal having a predetermined frequency. A drive voltage level generator responds to the reference level and the frequency signal for producing a drive voltage level which is constantly substantially equal to the reference level in synchronism with the frequency signal. The drive voltage level generator feeds power from the external power source to the semiconductor device at the drive level, thereby driving the semiconductor load circuit.

REFERENCES:
patent: 4356412 (1982-10-01), Moench et al.
patent: 4438346 (1984-03-01), Chuang et al.
patent: 4471290 (1984-09-01), Yamaguchi
patent: 4656369 (1987-04-01), Lou
patent: 4705966 (1987-11-01), VanZanten

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