Oscillator with power conservation mode

Details Oscillator with power conservation mode Oscillator with power conservation mode

1999-07-15

2000-12-19

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331117FE, 331167, 331185, H03B 512, H03L 500

Patent

active

061632287

ABSTRACT:
An oscillator having a tank circuit, an amplifier circuit and a switching circuit. The switching circuit switches the oscillator between a normal power consumption mode and a lower power consumption mode. The amplifier circuit includes an emitter biased transistor. The switching circuit switches between power consumption modes by switching between two selected voltages at the base of the transistor. When in the lower power consumption mode, the oscillator has sufficient current to sustain oscillation but insufficient current to meet the phase noise requirements for good fidelity and high data rates. When in the normal power consumption mode, the oscillator has sufficient current to meet the phase noise requirements for good

REFERENCES:
patent: 4621241 (1986-11-01), Kiser
patent: 5155453 (1992-10-01), Ruetz

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