High frequency oscillating circuit using AT cut quartz crystal v

Details High frequency oscillating circuit using AT cut quartz crystal v High frequency oscillating circuit using AT cut quartz crystal v

1978-08-11

1980-07-29

Mullins, James B.

Oscillators

Solid state active element oscillator

Transistors

330277, 330300, 330307, H03B 536, H03F 316

Patent

active

042153220

ABSTRACT:
A high frequency oscillating circuit comprises an integrated circuitry composed of first and second lateral type transistors and a longitudinal type junction field effect transistor formed in a semiconductor layer of low impurity concentration epitaxially grown on a semiconductor substrate of high impurity concentration. An AT cut quartz crystal vibrator operable at a high oscillating frequency of more than several MHz is connected to the integrated circuitry, and a pair of capacitors are provided to adjust the vibrator oscillating frequency.

REFERENCES:
patent: 4080577 (1978-03-01), Asada et al.

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