Abstract

The power consumption of broadband circuits used in wireline systems becomes increasingly more critical as higher speeds are sought. This article presents a number of design techniques that greatly relax the tradeoffs between the speed and power consumption of functions such as multiplexers (MUXs), frequency dividers, and equalizers. Examples include quadrature multiplexing, charge steering, and feedforward techniques. The concepts have been demonstrated in CMOS transceivers up to 56 GHz.

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