Differential transistor pair integrated circuit oscillator with

Details Differential transistor pair integrated circuit oscillator with Differential transistor pair integrated circuit oscillator with

1976-10-12

1977-12-13

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331108D, 331113R, 331176, H03B 512

Patent

active

040631931

ABSTRACT:
A differential transistor pair has an antiresonant tank connected between collectors. Feedback is achieved using a pair of cross connected zener diodes biased into reverse breakdown. A balanced two-pin version provides paraphase output and an unbalanced single-pin version is available for single phase output. The single pin version can include a current mirror for biasing the zener diodes with constant current. The oscillator can be temperature compensated by means of a temperature programmed current source.

REFERENCES:
patent: 3275846 (1966-09-01), Bailey
Frederiksen et al., "A Single-Chip Monolithic Sonar System," IEEE Journal of Solid-State Circuits, vol. SC-9, Dec. 1974, pp. 394-403.
Sankaranarayanan, "Negative-resistance Transistorized Oscillator," Electronic Engineering, Nov. 1967, p. 715.

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