Oscillator array with row and column control

Details Oscillator array with row and column control Oscillator array with row and column control

2007-06-19

2007-06-19

Pascal, Robert (Department: 2817)

Oscillators

Electrical noise or random wave generator

C331S057000, C708S251000, C714S728000

Reexamination Certificate

active

11095895

ABSTRACT:
A circuit topology which can be used to create an array of individually tuned oscillators operating at different frequencies determined by common control inputs and an easily managed variation in design dimensions of several components is provided. An array of oscillators are provided arranged in columns and rows. Each oscillator in a column is unique from the other oscillators in the column based on number of stages in the oscillator and fanout so that each oscillator will operate at a unique frequency. Oscillators of different columns within the array may differ by a common setting of the selects to these oscillators and the physical ordering of the oscillators in the column to further reduce the possibility of injection locking. A base delay cell provides selects to each column of oscillators such that each column may be programmed to operate at a different frequency from its neighbors.

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patent: 7058674 (2006-06-01), Takagi

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