Crystal oscillation circuit

Details Crystal oscillation circuit Crystal oscillation circuit

1997-04-23

2000-10-17

Kinkead, Arnold

Oscillators

Electromechanical resonator

Crystal

331116R, 331175, 331160, 331183, H03B 536, H03L 300

Patent

active

06133801&

ABSTRACT:
A crystal oscillation circuit includes a main oscillation circuit, an auxiliary oscillation circuit, and a control circuit. The main oscillation circuit has a crystal resonator. The auxiliary oscillation circuit increases an exciting current of the crystal resonator to assist the start of oscillation of the main oscillation circuit. The control circuit connects the auxiliary oscillation circuit parallel to the main oscillation circuit at the start of oscillation to increase an exciting current of the crystal resonator.

REFERENCES:
patent: 4896122 (1990-01-01), Tahernia et al.

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