The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 31, 2005
Filed:
Aug. 20, 2003
Applicant:
Stacy J. Garvin, Durham, NC (US);
Inventor:
Stacy J. Garvin, Durham, NC (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03B005/24 ;
U.S. Cl.
CPC ...
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.