Patent ID: 6489818
Filing Date: 2002-12-03
Classification: H03K,H03L

Abstract:
A frequency divider having an adjustable division factor, comprising: an input, a divider cell with an input for accepting a first signal with a first frequency and an output for outputting a second signal with a second frequency, and a power control means associated with the frequency divider to adjust a bias current of the divider cell, characterized in that the frequency divider includes a multiplexing means with a first input for receiving the second signal with the second frequency and a second input for receiving a third signal with a third frequency and an output for outputting either the second signal or the third signal, where the first input of the multiplexing means is connected to the output of the divider cell and in that the power control means is operative to reduce the bias current of the divider cell to zero when the first input of the multiplexing means is deselected.