Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Clock or pulse waveform generating
Reexamination Certificate
2007-04-17
2007-04-17
Le, Dinh T. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Clock or pulse waveform generating
C327S561000, C327S156000
Reexamination Certificate
active
11155848
ABSTRACT:
An apparatus and method for generating high-speed clock signals using a voltage-controlled-oscillator (VCO) device. The apparatus implements a linear variable gain amplifier rather than a non-linear hard limiter to remove unwanted signal modulation in VCO output signals. Implementation of the linear variable gain amplifier leads to the generation of amplitude modulation-free oscillation leading to the generation of jitter free high frequency clock signals.
REFERENCES:
patent: 5189362 (1993-02-01), Doble
patent: 5850357 (1998-12-01), Shefer
patent: 6094158 (2000-07-01), Williams
Ainspan Herschel A.
Gangasani Gautam
Hsu Louis C.
Mandelman Jack A.
Abate Esq. Joseph P.
Le Dinh T.
Scully , Scott, Murphy & Presser, P.C.
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