Radio oscillator tuning

Details Radio oscillator tuning Radio oscillator tuning

2008-05-20

2008-05-20

Mis, David (Department: 2817)

Oscillators

With frequency calibration or testing

C331S016000, C331S179000

Reexamination Certificate

active

07375594

ABSTRACT:
Tuning a radio oscillator frequency to a reference frequency is disclosed. A radio oscillator is set using a predetermined value loaded into an adjustment bit array. A highest selected bit is selected to be used in locating a final tuned value for the adjustment bit array. The final tuned value is determined by successively setting a selected bit starting with the highest selected bit in the adjustment bit array. And, the selected bit value in the final tuned value is determined using a measurement of the radio oscillator frequency and its relation to a reference frequency.

REFERENCES:
patent: 5748103 (1998-05-01), Flach et al.
patent: 6388532 (2002-05-01), Babcock
patent: 2271691 (1992-09-01), None

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