Piezoelectric resonator with integrated capacitances

Details Piezoelectric resonator with integrated capacitances Piezoelectric resonator with integrated capacitances

1981-09-28

1984-08-07

Grimm, Siegfried H.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310312, 310318, 310365, 331158, H01L 4104

Patent

active

044645996

ABSTRACT:
If a piezoelectric crystal is used in circuits containing ICs with low supply voltage, the additional capacitors required in oscillator or filter circuits cannot be implemented as junction capacitances. To eliminate the need for additional discrete capacitors, these capacitances are implemented with additional films on the crystal.

REFERENCES:
patent: 3488530 (1970-01-01), Staudte
patent: 3527967 (1970-09-01), Dyer et al.
patent: 4013982 (1977-03-01), Wood et al.
patent: 4283650 (1981-08-01), Koyama et al.
patent: 4329613 (1982-05-01), Kinzel et al.

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