Calibration device and method for generating a clock in an...

Details Calibration device and method for generating a clock in an... Calibration device and method for generating a clock in an...

2005-04-26

2005-04-26

Kinkead, Arnold (Department: 2817)

Oscillators

Combined with particular output coupling network

C331S00100A, C331S018000, C331S175000, C455S196100

Reexamination Certificate

active

06885254

ABSTRACT:
To generate an accurate frequency standard in an integrated circuit, it is proposed to activate a reference oscillator at certain time intervals and to calibrate the local oscillator. For this purpose, a calibration circuit is provided, which determines the clock ratio between the internal clock and the reference clock. The clock ratio determined is used for programming a frequency divider. The calibration circuit is particularly suitable for being used in mobile radio devices.

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