Low-power consumption reference pulse generator

Details Low-power consumption reference pulse generator Low-power consumption reference pulse generator

1982-06-29

1986-10-21

LaRoche, Eugene R.

Oscillators

Electromechanical resonator

Crystal

331186, 331116FE, 368159, H03B 532

Patent

active

046188371

ABSTRACT:
A reference pulse generator comprises a quartz crystal oscillator, a frequency divider connected to the oscillator for frequency dividing the oscillator output, and a constant current generator connected in series both with the oscillator and the frequency divider to control the current applied to the oscillator from a power source. The constant current generator comprises a current limiting element, such as a MOSFET, which is controlled by a reference voltage produced by a reference voltage generator.

REFERENCES:
patent: 3999368 (1976-12-01), Yoshida
patent: 4128816 (1978-12-01), Shimotsuma
patent: 4433371 (1984-02-01), Leuthold

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