Oscillator with crystal-resistive feedback

Details Oscillator with crystal-resistive feedback Oscillator with crystal-resistive feedback

1983-09-26

1985-12-24

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331158, 331DIG3, H03B 532

Patent

active

045609560

ABSTRACT:
A standard TTL inverter (1) drives a series circuit of an inductor (9) and a capacitor (11). This is fed back through a frequency-control crystal (15). A resistor (19) is also in the feedback circuit, and a resistor 7 bridges the low-current-accepting inverter (1). None of the circuit elements need be of high precision or otherwise expensive.

REFERENCES:
patent: 3108223 (1963-10-01), Hunter
patent: 3315179 (1967-04-01), Whitbread
patent: 3713045 (1973-01-01), Usuda et al.
patent: 3911378 (1975-10-01), Buchanan
patent: 4223524 (1980-09-01), Nakagawa
patent: 4513255 (1985-04-01), Terbrack
Bennett et al., "Circuits for Space Probes", Electronics, Jun. 19, 1959, pp. 55-57.

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