Single pin crystal oscillator circuit

Details Single pin crystal oscillator circuit Single pin crystal oscillator circuit

1996-01-04

1997-10-07

Grimm, Siegfried H.

Oscillators

Combined with particular output coupling network

Space discharge or unilaterally conductive device in output...

331 59, 331108D, 331116FE, 331158, H03B 536

Patent

active

056752946

ABSTRACT:
A single pin integrated oscillator circuit includes an amplifier having a first input terminal to which an external crystal may be connected, and a second input terminal which receives a feedback path from an output terminal of the amplifier. An oscillator output signal having a relatively large voltage swing is provided from the first input terminal through a buffer. The oscillator operates over a wide range of voltages and process variations, and it can accept an input signal from an external crystal or can accept any clock signal having a swing of approximately 1 V.

REFERENCES:
patent: 3833823 (1974-09-01), Cecchin et al.
patent: 4571558 (1986-02-01), Gay et al.
patent: 4661785 (1987-04-01), Benjaminson
patent: 4870383 (1989-09-01), Nordholt
patent: 5416448 (1995-05-01), Wessendorf

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