Patent ID: 7551009
Filing Date: 2009-06-23
Classification: H03K

Abstract:
1. A method for dividing a signal having a first frequency by a divide ratio to generate a lower frequency signal comprising: selecting, based at least in part on the divide ratio, a first pulse width of at least one signal having a second frequency and being generated by at least a corresponding one of a plurality of pulse-width control circuits responsive to at least one signal having a second pulse width; selecting at least one of the plurality of pulse-width control circuits to be powered-on to generate the at least one signal, the at least one of the plurality of pulse-width control circuits including a first pulse-width control circuit to generate a first signal having the first pulse width, second frequency, and first phase, the first signal corresponding to a select circuit output signal having a first phase; and selecting at least one other of the plurality of pulse-width control circuits to be powered-off.