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Evolution of Mixed-Signal Communications LSIs
Masayuki ISHIKAWA Tsuneo TSUKAHARA Yukio AKAZAWA
IEICE TRANSACTIONS on Electronics
Publication Date: 1994/12/25
Print ISSN: 0916-8516
Type of Manuscript: INVITED PAPER (Special Issue on Multimedia, Analog and Processing LSIs)
Category: Analog LSIs
mixed-signal, communications, low supply voltage, crosstalk,
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Mixed-signal LSIs promise to permit increased levels of integration, not only in voiceband but also in multi-GHz-band applications such as wireless communications and optical data links. This paper reviews the evolution of mixed-signal communications LSIs and discusses some of their design problems, including device noise and crosstalk noise. In the low-power and low-voltage designs emerging as new disciplines, the target supply voltage for voiceband LSIs is around 1 V, and even GHz-band circuits are approaching 2 V. MOS devices are expected to play an important role even in the frequency range over 100 MHz, in the area of wireless or optical communications circuits.