Appendix B
Appendix for I/Q RFDAC☆
B.1 Universal Asynchronous Receiver/Transmitter
The Universal Asynchronous Receiver/Transmitter (UART) controller takes a byte of data and transmits the individual bits in a sequential style. In other words, the basic job of UART is to convert data from parallel to serial format for the transmission as well as converting data from serial to parallel format during reception. Fig B.1 depicts the block diagram of the implemented UART controller in combination with the two on-chip SRAM memories in the proposed 2 × 13-bit all-digital I/Q RFDAC. The upsampled baseband ...
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