Multi-Path Analog Circuits Robust to Digital Substrate Noise

Shigetaka TAKAGI; Retdian AGUNG NICODIMUS; Kazuyuki WADA; Takahide SATO; Nobuo FUJII

doi:10.1093/ietfec/e91-a.2.535

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences

Online ISSN : 1745-1337
Print ISSN : 0916-8508

Special Section on Analog Circuit Techniques and Related Topics

Multi-Path Analog Circuits Robust to Digital Substrate Noise

Shigetaka TAKAGI, Retdian AGUNG NICODIMUS, Kazuyuki WADA, Takahide SATO, Nobuo FUJII

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Keywords: multi-path structure, balanced-type circuit, digital substrate noise, low-pass filter

JOURNAL RESTRICTED ACCESS

2008 Volume E91.A Issue 2 Pages 535-541

DOI https://doi.org/10.1093/ietfec/e91-a.2.535

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Abstract

A multi-path structure is proposed for reduction in effect of digital substrate noise which degrades analog circuit performance. As an example low-pass filters are implemented in a 0.18-μm CMOS process. 11-dBm reduction in digital substrate noise is achieved as compared with a conventional structure.

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