Device and method of quadrature oscillation

Details Device and method of quadrature oscillation Device and method of quadrature oscillation

2005-08-30

2005-08-30

Chang, Joseph (Department: 2817)

Oscillators

Plural oscillators

Oscillator used to vary amplitude or frequency of another...

C331S050000

Reexamination Certificate

active

06937107

ABSTRACT:
Briefly, devices and methods for tuning of quadrature oscillators which may be used, for example, in a Complementary Metal-Oxide Semiconductor (CMOS) process. Devices and methods in accordance with some exemplary embodiments of the invention may allow, for example, improved locking, tuning and performance of slave oscillators and a master oscillator within a quadrature oscillator utilizing injection-locking.

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A. Ravi et al., “An Integrated 10/5GHz Injection-locked Quadrature LC VCO in a 0.18μm digital CMOS process”, European Solid State Research Conference (ESSCIRC), Sep. 26, 2002, pp. 1-4.

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