Output circuit for oscillator

Details Output circuit for oscillator Output circuit for oscillator

2007-03-23

2009-08-25

Pascal, Robert (Department: 2817)

Oscillators

Combined with particular output coupling network

C331S158000, C331S182000

Reexamination Certificate

active

07579917

ABSTRACT:
The object of the present invention is to provide a crystal oscillator with one IC capable of effectively responding to specifications or a frequency of an installed set, an output terminal of the oscillator1is connected to an input terminal of the inverter2,an output terminal of which is connected to the first resistor7and one terminal of the second resistor8,the other terminal of the first resistor7is connected to one terminal of the first capacitor9and an input terminal of the first transistor3,the other terminal of the first capacitor9is connected to one terminal of the first switch11,and the other terminal of the first switch11is grounded, the other terminal of the second resistor8is connected to one terminal of the second capacitor10and an input terminal of the second transistor4,the other terminal of the second capacitor10is connected to one terminal of the second switch12,and the other terminal of the second switch12is grounded, an output terminal of the first transistor3and an output terminal of the second transistor4are connected to the oscillation output terminal5,and the first switch11and the second switch12are controlled by the storage device13.

REFERENCES:
patent: 6927641 (2005-08-01), Terasawa et al.
patent: 9-294066 (1997-11-01), None
patent: 11-17452 (1999-01-01), None

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