Oscillators – Solid state active element oscillator – Transistors
Reexamination Certificate
2007-11-07
2010-06-15
Kinkead, Arnold (Department: 2817)
Oscillators
Solid state active element oscillator
Transistors
C331S1170FE, C331S167000, C331S182000, C331S185000, C331S186000
Reexamination Certificate
active
07737797
ABSTRACT:
A controllable oscillating system for generating a differential oscillating signal is disclosed. The controllable oscillating system includes an oscillating circuit and a current adjusting device. The oscillating circuit includes a controllable resonator, a cross-coupling driving device, and a current source. The cross-coupling driving device is coupled to the controllable resonator and utilized for driving the controllable resonator to generate the differential oscillating signal. The current source is coupled to the cross-coupling driving device and utilized for providing a first current. The current adjusting device is coupled to the cross-coupling driving device and utilized for adjusting currents passing through the cross-coupling driving device.
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Hsu Winston
Kinkead Arnold
Mediatek Inc.
Tan Richard
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