Self-timed oscillator circuit including starting and stopping ci

Details Self-timed oscillator circuit including starting and stopping ci Self-timed oscillator circuit including starting and stopping ci

1994-12-13

1996-05-14

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331167, 331173, H03B 512

Patent

active

055171583

ABSTRACT:
A relatively simple low-power-dissipation oscillator circuit comprises an inductor in series with a capacitor. Self-timing circuitry connected to an output node point between the inductor and the capacitor compensates for resistive losses in the circuit and thereby insures generation of a constant-amplitude output sine wave suitable for driving PPS CMOS circuitry. The oscillator circuit also includes starting and stopping circuitry connected to the inductor. To conserve power during so-called data inactive periods, the oscillator circuit can be abruptly stopped in a manner that preserves stored states in the CMOS circuitry and provides an output voltage suitable for powering conventional (non-PPS) CMOS circuitry while establishing a reliable basis for subsequently reinitiating oscillations.

REFERENCES:
patent: 4862113 (1989-08-01), Buhler et al.
T. Gabara, "Pulse Power Supply CMOS-PPS CMOS", 1994 IEEE Symposium on Low Power Electronics, San Diego, CA, Oct. 10-12, 1994, pp. 98-99.

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