Download Baseband Analog Circuits for Software Defined Radio (Analog by Vito Giannini, Jan Craninckx, Andrea Baschirotto PDF

By Vito Giannini, Jan Craninckx, Andrea Baschirotto

This is the 1st e-book to explain many of the matters fascinated by the transition from a unmarried common to a software program Radio established instant terminal. The booklet is either a know-how instructional for novices in addition to a place to begin for technical execs within the verbal exchange and IC layout who're impending the layout of a software program outlined Radio. a whole evaluation of the particular state-of-art for reconfigurable transceivers is given in detail.

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Additional info for Baseband Analog Circuits for Software Defined Radio (Analog Circuits and Signal Processing)

Example text

Since the folding of spurs into the pass-band is also named aliasing, this continuous-time filter may be called anti-aliasing filter.

A discussion is carried on the optimal specifications aiming at the receiver power minimization. 1, an ADC at the antenna which digitizes different wireless bandwidths simultaneously is not realizable in the foreseeable future. A practical SDR receiver will need a wide-band RF front end that can be tuned to any carrier frequency and channel bandwidth at a time: the Zero-IF architecture is the most attractive solution to achieve this goal thanks to its relative simplicity which means less complexity for a wanted level of flexibility.

6. The RF band is selected by an external passive filter and the signal is amplified by an LNA, as in the superheterodyne architecture. The signal is then mixed directly to DC by a RF quadrature mixer, hence, the rest of the passive filters and mixing stages are unnecessary. 4, it is evident the reduced number of analog components. 6. Direct conversion (zero-IF) receiver architecture. e. the channel select filter, which is responsible for rejection of interferers and anti-aliasing, presents severe power-linearity-noise trade-offs.

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