Piezoelectric oscillator circuit

Details Piezoelectric oscillator circuit Piezoelectric oscillator circuit

1998-11-13

2000-02-15

Mis, David

Oscillators

Electromechanical resonator

Crystal

331109, 331116FE, 331176, 331182, 331183, 331185, 331173, H03B 536, H03B 504, H03B 506

Patent

active

060257571

ABSTRACT:
There is disclosed an oscillator circuit comprising the first load capacitor with one electrode there of being connected with an input side of a CMOS inverter within a quartz oscillator circuit, and the second load capacitor with one electrode there of being connected with the output side of the inverter, wherein the inverter is coupled to a lower potential side via a current-limiting device, and the other electrodes of the first and second load capacitors are coupled to a lower potential side via the above-described current-limiting device. Thus, variations in the power-supply voltages synchronized with oscillation are reduced with realization of lower current consumption.

REFERENCES:
patent: 4128816 (1978-12-01), Shimotsuma
patent: 4618837 (1986-10-01), Matsuura
patent: 5101178 (1992-03-01), Komoda
patent: 5212460 (1993-05-01), Tamagawa
patent: 5764112 (1998-06-01), Bal et al.

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