Communication transceiver interface

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.

2. The communication transceiver of claim 1 , wherein the communication transceiver is configured for use with a baseband module and a transmit/receive module for transmit and receive operations, and further wherein the first and second switches are operable to be set to a transmit position in which: the first switch communicatively couples the output of the first multiplexer to the input of the analog-to-digital converter to route transmit data to a modulator to modulate the transmit data to create modulated data; and the second switch communicatively couples the output of the digital-to-analog converter to an output of the communication transceiver to route transmit data to the transmit/receive module for transmission.

3. The communication transceiver of claim 1 , wherein the communication transceiver is configured for use with a baseband module and a transmit/receive module for transmit and receive operations, and further wherein the first and second switches are operable to be set to a receive position in which: the first switch communicatively couples the input of the analog-to-digital converter to an input of the communication transceiver to receive data from the transmit/receive module; and the second switch communicatively couples the output of the digital-to-analog converter to the input of the demultiplexer.

4. The communication transceiver of claim 1 , wherein a first input of the multiplexer is configured to receive an I value of the analog signals, a second input of the multiplexer is configured to receive a Q value of the analog signals, and the multiplexer is configure to multiplex the received I and Q values into combined analog signals for transmission.

5. The communication transceiver of claim 1 , wherein the input of the demultiplexer is configured to receive received signals from the digital-to-analog converter and is configured to demultiplex the received signal into an I value at the first output of the demultiplexer and a Q value at the second output of the demultiplexer.

6. The communication transceiver of claim 5 , wherein the sample and hold module is configured to sample the I value at the first output of the demultiplexer and hold the sampled value until such time as a corresponding portion of the Q value is available at the second output of the demultiplexer.

7. The communication transceiver of claim 1 , wherein the input of the demultiplexer is configured to receive received signals from the digital-to-analog converter and is configured to demultiplex the received signal into a Q value at the first output of the demultiplexer and an I value at the second output of the demultiplexer.

8. The communication transceiver of claim 7 , wherein the sample and hold module is configured to sample the Q value at the first output of the demultiplexer and hold the sampled value until such time as a corresponding portion of the I value is available at the second output of the demultiplexer.

9. A communication system for wireless communications, comprising:

a baseband module comprising a plurality of inputs, and outputs;

a communication transceiver, 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 tuning 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 first output of the second switch, and first and second outputs; and

a hold module including a first input coupled to the first output of the demultiplexer; and

a transmit/receive module comprising:

an input communicatively coupled to the second output of the second switch;

a first output communicatively coupled to the second input of the first switch; and a second output for connection to an antenna.

10. The communication transceiver of claim 9 , wherein the first and second switches are operable to be set to a transmit position in which: the first switch communicatively couples the output of the first multiplexer to the input of the analog-to-digital converter to route transmit data to a modulator to modulate the transmit data to create modulated data; and the second switch communicatively couples the output of the digital-to-analog converter to an output of the communication transceiver to route transmit data to the transmit/receive module for transmission.

11. The communication transceiver of claim 9 , wherein the first and second switches are operable to be set to a receive position in which: the first switch communicatively couples the input of the analog-to-digital converter to an input of the communication transceiver to receive data from the transmit/receive module; and the second switch communicatively couples the output of the digital-to-analog converter to the input of the demultiplexer.

12. The communication transceiver of claim 9 , wherein a first input of the multiplexer is configured to receive an I value of the analog signals, a second input of the multiplexer is configured to receive a Q value of the analog signals, and the multiplexer is configure to multiplex the received I and Q values into combined analog signals for transmission.

13. The communication transceiver of claim 9 , wherein the input of the demultiplexer is configured to receive received signals from the digital-to-analog converter and is configured to demultiplex the received signal into an I value at the first output of the demultiplexer and a Q value at the second output of the demultiplexer.

14. The communication transceiver of claim 13 , wherein the sample and hold module is configured to sample the I value at the first output of the demultiplexer and hold the sampled value until such time as a corresponding portion of the Q value is available at the second output of the demultiplexer.

15. The communication transceiver of claim 9 , wherein the input of the demultiplexer is configured to receive received signals from the digital-to-analog converter and is configured to demultiplex the received signal into a Q value at the first output of the demultiplexer and an I value at the second output of the demultiplexer.

16. The communication transceiver of claim 15 , wherein the sample and hold module is configured to sample the Q value at the first output of the demultiplexer and hold the sampled value until such time as a corresponding portion of the I value is available at the second output of the demultiplexer.

17. A method for providing an interface of a communication transceiver for use in a communication system, the method comprising:

configuring first and second switches of the communication transceiver to a transmit mode;

receiving I and Q channels of analog information to be transmitted by the communication system;

a multiplexer multiplexing the received I and Q channels into a multiplexed transmission signal and routing the multiplexed transmission signal to an analog-to-digital converter via the first switch;

an analog-to-digital converter digitizing the multiplexed transmission signal;

upconverting the digitized multiplexed transmission signal;

a digital-to-analog converter converting the digitized, upconverted multiplexed transmission signal to an analog RF signal; and

routing the analog RF signal via the second switch to a transmitter for transmission.

18. The method of claim 17 , wherein configuring the first and second switches of the communication transceiver to a transmit mode comprises:

configuring the first switch to communicatively couple an output of the multiplexer to an input of the analog-to-digital converter; and

configuring the second switch to communicatively couple an output of the digital-to-analog converter to the transmitter.

19. The method of claim 17 , further comprising:

configuring first and second switches of the communication transceiver to a receive mode;

receiving signals and routing the received signals to the analog-to-digital converter via the first switch;

the analog-to-digital converter digitizing the received signals;

downconverting the digitized received signals; and

the digital-to-analog converter converting the downconverted digitized received signal to an analog received signal.

20. The method of claim 19 , further comprising routing the analog received signal via the second switch and separating the received signals into analog I and Q channels using a sample and hold circuit.

21. The method of claim 20 , further comprising sending the analog I and Q channels to a baseband module.

22. The method of claim 19 , wherein using the first switch, the same analog-to-digital converter is used to digitize received signals for digital downconversion and to digitize analog transmit signals from a baseband module for digital upconversion.

23. The method of claim 19 , wherein using the second switch, the same digital-to-analog converter is used to convert upconverted digitized transmit signals to analog signals for transmission and to convert downconverted digitized received signals to analog signals for a baseband module.

24. The method of claim 22 , wherein using the second switch, the same digital-to-analog converter is used to convert upconverted digitized transmit signals to analog signals for transmission and to convert downconverted digitized received signals to analog signals for a baseband module.

25. The method of claim 19 , further comprising switching a third switch in the communication system to change the communication between the transmit and receive modes.

26. A communication system 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 first digital-to-analog converter including an input and an output;

a second 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, a first output coupled to the input of the first digital-to-analog converter, and a second output coupled to the input of the second digital-to-analog converter;

a second switch including an input coupled to the output of the first digital-to-analog converter and first and second outputs.