Oscillators – With device responsive to external physical condition – Temperature or light responsive
Patent
1994-08-31
1995-10-17
Mis, David
Oscillators
With device responsive to external physical condition
Temperature or light responsive
331158, H03B 504, H03L 102
Patent
active
054594367
ABSTRACT:
A temperature compensated crystal oscillator (TCXO) (10) with a disable feature adapted to disable or enable temperature compensation. The TCXO (10) includes a crystal oscillator (12), a temperature measurement and compensation circuit (18), a timing generator (20) and a temperature compensation disable/enable circuit (30) for disabling or enabling temperature compensation updates of the crystal oscillator (12). The TCXO (10) is particularly adapted for use in connection with digital temperature compensated crystal oscillators.
REFERENCES:
patent: 4611181 (1986-09-01), Fukumura et al.
patent: 4746879 (1988-05-01), Ma et al.
Collins Tim
Connell Larry
Marvin Dennis
Pucci Gregory
Cunningham Gary J.
Mis David
Motorola Inc.
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