Patent ID: 7142139

Claim:
An apparatus comprising: a baseband processor coupled to receive a digital signal from a digital front end, process the digital signal and convert the processed digital signal into an analog format for outbound radio transmission during a transmit mode of operation, the baseband processor also coupled to receive an analog signal obtained from inbound radio reception, convert the analog signal into a digital format and process the digital format of the analog signal for output to the digital front end during a receive mode of operation, the baseband processor including a digital-to-analog converter (DAC) to convert the processed digital signal into the analog format and an analog-to-digital converter (ADC) to convert the analog signal into the digital format, the baseband processor also including a timing circuit coupled to power down the ADC and power up the DAC during the transmit mode when a first signal from the digital front end indicates that a frame of data is to be sent from the digital front end for outbound transmission, but the timing circuit to power up the ADC and power down the DAC during the receive mode of operation when the outbound transmission is not present; and a radio core coupled to the baseband processor to provide the outbound radio transmission during the transmit mode of operation and the inbound radio reception during the received mode of operation.