Chapter 10

A wideband 2 × 13-bit all-digital I/Q RFDAC*


Finally, everything is put together to arrive at a complete implementation of the wideband high-resolution all-digital RFDAC. All the details needed to reproduce it are presented. This chapter also introduces a digital predistortion technique to linearize the RFDAC’s transfer function.


Wide bandwidth; 25% duty cycle; Floorplan; Layout; Pseudo-differential; Segmentation; Nonlinearity; Calibration; AM-AM; AM-PM; SRAM memory; Digital predistortion

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