Temperature-compensated crystal oscillator

Details Temperature-compensated crystal oscillator Temperature-compensated crystal oscillator

2005-01-25

2005-01-25

Mis, David (Department: 2817)

Oscillators

Solid state active element oscillator

Transistors

C331S03600C, C331S068000, C331S158000, C331S176000, C331S17700V

Reexamination Certificate

active

06847265

ABSTRACT:
A temperature-compensated crystal oscillator has a mounting substrate for surface-mounting, a crystal oscillator, a temperature compensating circuit for compensating for frequency vs. temperature characteristics of the crystal oscillator, and a frequency adjusting circuit for adjusting an oscillating frequency of the crystal oscillator. The crystal oscillator comprises at least a crystal blank, an IC chip which is electrically connected to the crystal blank and constitutes an oscillating circuit together with the crystal blank, and a surface-mount housing accommodating the crystal blank and the IC chip. The surface-mount housing is mounted on the mounting substrate. Components constituting the temperature compensating circuit and components constituting the frequency adjusting circuit are directly mounted on the mounting substrate.

REFERENCES:
patent: 6487085 (2002-11-01), Kimura et al.

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