Patent ID: 7599676

Claim:
A receiver, comprising: a mixing digital-to-analog converter (DAC), comprising: a radio frequency (RF) transconductance section having an input configured to receive an RF signal and an output configured to provide an RE current signal; and a switching section coupled to the RF transconductance section, the switching section having inputs configured to receive bits associated with a digital local oscillator (LO) signal and having an output, wherein the switching section is configured to mix the RF current signal with the digital LO signal to provide an analog output signal at the output of the switching section; a direct digital frequency synthesizer (DDFS) having outputs configured to provide the bits associated with the digital LO signal and having a first clock input configured to receive a first clock signal that sets a sample rate for the digital LO signal; and a clock circuit configured to provide the first clock signal to the first clock input of the DDFS, wherein a frequency of the first clock signal is based on a selected channel.