CAD tools for the synthesis and layout of SC filters and networks

Arnold Muralt, Paul Zbinden, George S. Moschytz

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


This paper describes two programs for the synthesis and layout generation of SC filters and networks. The first part of the paper describes a technology-independent synthesis and optimization program for SC filters. The program allows for the exact synthesis of cascaded SC biquad and SC ladder filters. Two performance measures related to sensitivity and noise are employed to estimate the performance of the synthesized circuits and to select optimum realizations. The same measures are used in a novel capacitance assignment procedure. The second part of the paper describes a flexible SC layout generator, which can be adapted to various design rules and floorplans by means of a technology file. Area efficient layout is generated by placing individual circuit elements rather than building blocks. Crosstalk between conductors is minimized by a router that distinguishes between different kinds of nodes.

Original languageEnglish
Pages (from-to)229-242
Number of pages14
JournalAnalog Integrated Circuits and Signal Processing
Issue number3
StatePublished - May 1993
Externally publishedYes


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