By Olivier Jamin

This ebook discusses the trade-offs fascinated with designing direct RF digitization receivers for the radio frequency and electronic sign processing domains.  A system-level framework is built, quantifying the appropriate impairments of the sign processing chain, via a finished system-level analysis.  particular concentration is given to noise research (thermal noise, quantization noise, saturation noise, signal-dependent noise), broadband non-linear distortion research, together with the effect of the sampling procedure (low-pass, band-pass), research of time-interleaved ADC channel mismatches, sampling clock purity and electronic channel choice. The system-level framework defined is utilized to the layout of a cable multi-channel RF direct digitization receiver. An optimal RF sign conditioning, and a few algorithms (automatic achieve regulate loop, RF front-end amplitude equalization keep an eye on loop) are used to sit back the necessities of a 2.7GHz 11-bit ADC.
A two-chip implementation is gifted, utilizing BiCMOS and 65nm CMOS strategies, including the block and system-level size effects. Readers will enjoy the recommendations offered, that are hugely aggressive, either when it comes to expense and RF functionality, whereas greatly lowering energy consumption.

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