Complementary MOS transistor crystal oscillator circuit

Details Complementary MOS transistor crystal oscillator circuit Complementary MOS transistor crystal oscillator circuit

1973-12-12

1976-01-27

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331108D, 331175, H03B 536

Patent

active

039355462

ABSTRACT:
A monolithic integrated quartz crystal oscillator circuit having a resistance between the inverter output and the quartz crystal vibrator in order to stabilize the frequency characteristics thereof. An inverter including complementary coupled N-channel and P-channel MOS field effect transistors, and an output resistance at the drain connected terminals thereof, are monolithically integrated into a single chip. The resistance at the output terminal of the complementary coupled inverter effects a stabilization of the frequency of the quartz crystal oscillator circuit during changes in the supply voltage.

REFERENCES:
patent: 3534236 (1970-10-01), Bean et al.
patent: 3667009 (1972-05-01), Rugg
patent: 3725822 (1973-04-01), Eaton, Jr.
patent: 3829795 (1974-08-01), Minney

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