Overtone crystal oscillating circuit

Details Overtone crystal oscillating circuit Overtone crystal oscillating circuit

1980-09-26

1983-03-15

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331158, H03B 536

Patent

active

043769187

ABSTRACT:
An overtone crystal oscillating circuit is disclosed which includes a complementary MOS inverter formed of P and N channel MOS transistors, a crystal resonator and a feedback resistor which are connected between input and output terminals of the complementary MOS inverter, and first and second capacitors respectively connected to the input and output terminals of the complementary MOS inverter. The crystal oscillating circuit is further provided with a series circuit formed of an inductor and a capacitor and connected in parallel with the first or second capacitor to form a parallel resonant circuit.

REFERENCES:
patent: 3676801 (1972-07-01), Musa
patent: 3803828 (1974-04-01), Keeler et al.
patent: 3836873 (1974-09-01), Healey et al.
patent: 4032864 (1977-06-01), Yamashiro et al.
patent: 4039972 (1977-08-01), Scholten et al.
patent: 4101848 (1978-07-01), Yamashita
Bowers et al, "A Precision Oscilloscope Calibrator", Elettronica Oggi, Italy, Jan. 1980, pp. 160, 162.

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