Voltage controlled oscillator

Details Voltage controlled oscillator Voltage controlled oscillator

2008-08-12

2010-06-08

Mis, David (Department: 2817)

Oscillators

With frequency adjusting means

With voltage sensitive capacitor

C331S034000

Reexamination Certificate

active

07733192

ABSTRACT:
According to one aspect of the present invention, there is provided a voltage controlled oscillator controlling frequency of an output signal according to input voltage, the voltage controlled oscillator including a current controlled oscillator setting the frequency of the output signal based on control current, and a voltage-current converter including a transistor controlling a current amount of the control current according to the input voltage, in which the voltage-current converter is supplied with control voltage, and threshold value voltage of the transistor is controlled according to the control voltage.

REFERENCES:
patent: 5334951 (1994-08-01), Hogeboom
patent: 7-183743 (1995-07-01), None
patent: 2002-76787 (2002-03-01), None
patent: 2004-274569 (2004-09-01), None

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