Digitally controlled oscillator for reduced power over...

Details Digitally controlled oscillator for reduced power over... Digitally controlled oscillator for reduced power over...

2008-06-17

2008-06-17

Kinkead, Arnold (Department: 2817)

Oscillators

Ring oscillators

C327S261000, C327S263000, C327S264000, C327S161000

Reexamination Certificate

active

07388442

ABSTRACT:
This disclosure relates to a cell-placeable variable-frequency digitally controlled oscillator (DCO) that consumes approximately the same current in a fast process corner as in the case of a slow process corner. By modulating the effective channel length of transistors in inverters, a fast process DCO may be slowed down to a desired frequency at nearly the same current consumption as that of a slow process DCO.

REFERENCES:
patent: 6518075 (2003-02-01), Ono
patent: 7039885 (2006-05-01), Mohan

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