Communication transceiver interface

摘要

A communication system includes a communication transceiver with analog interfaces to interface to baseband circuitry and PAs/LNAs. The communication transceiver can include digital tuning and an analog-to-digital and digital-to-analog converter to allow the digital tuner to communicate with the baseband circuitry and PAs/LNAs A plurality of switches may be provided so that the analog-to-digital converter and digital-to-analog converter may be shared for both the interface to the baseband circuitry and the interface to the PAs/LNAs.

主权项

1. A communication transceiver for wireless communications, comprising:
a first multiplexer including two inputs and an output, the inputs configured to receive analog signals for transmission across a wireless communication channel; an analog-to-digital converter including an input and an output; a first switch comprising a first input, a second input communicatively couplable to the output of the multiplexer, and an output coupled to the input of the analog-to-digital converter; a digital-to-analog converter including an input and an output; a digital tuner module, comprising a modulator and a demodulator, and including an input coupled to the output of the analog-to-digital converter and an output coupled to the input of the digital-to-analog converter; a second switch including an input coupled to the output of the digital-to-analog converter and first and second outputs; a demultiplexer including an input communicatively coupled to the output of the digital-to-analog converter and first and second outputs; and a sample and hold module including a first input coupled to the first output of the demultiplexer.