Oscillator with increased reliability start up

Oscillators – Electromechanical resonator – Crystal

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Details

331 36C, 331116FE, 331173, 331177V, H03B 506, H03B 536, H03K 3014

Patent

active

055348262

ABSTRACT:
Oscillation is easily and reliably initiated in an oscillator by increasing the gain of the circuit at startup time. For example, the gain of an oscillator circuit may be increased at startup by reducing the value of a user controlled impedance until oscillation commences. Alternatively, or in combination, the input impedance of an amplifier used in the oscillator may be reduced at startup to facilitate the initiation of oscillation.

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