Method and system for adjusting a frequency range of a delay...

Details Method and system for adjusting a frequency range of a delay... Method and system for adjusting a frequency range of a delay...

2005-05-31

2005-05-31

Mis, David (Department: 2817)

Oscillators

Amplitude control or stabilization

Automatic

C331S057000, C331S17700V

Reexamination Certificate

active

06900703

ABSTRACT:
The present invention describes aspects of adjusting a frequency range of a delay cell of a VCO. The aspects include providing a CMOS latch of predetermined gain, and altering transconductance in the CMOS latch to alter a frequency range of the CMOS latch without altering the predetermined gain. The alteration of transconductance includes coupling at least one pair of series connected transistors in parallel with each switching device of the CMOS latch.

REFERENCES:
patent: 5426398 (1995-06-01), Kuo
patent: 5477198 (1995-12-01), Anderson et al.
patent: 5559473 (1996-09-01), Anderson et al.
patent: 5600280 (1997-02-01), Zhang
patent: 5889437 (1999-03-01), Lee
patent: 6094103 (2000-07-01), Jeong et al.

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