CR oscillating circuit

Details CR oscillating circuit CR oscillating circuit

1998-10-23

1999-11-09

Nguyen, Matthew

Oscillators

Relaxation oscillators

331111, H03K 302, H03K 326

Patent

active

059822473

ABSTRACT:
There is provided a CR oscillating circuit from which oscillation frequency is obtained as targeted, when MOS capacitors having large voltage dependency are used therein. The circuit is constructed such that bias voltage is applied always to the two MOS capacitors by connecting the two MOS, capacitors in series in the opposite direction from each other and by connecting further a MOSFET.

REFERENCES:
patent: 4344293 (1982-08-01), Fujiwara et al.
patent: 4414515 (1983-11-01), Suzuki et al.
patent: 5151613 (1992-09-01), Satou et al.
patent: 5729722 (1998-03-01), Matsumoto

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