Optimal realization of switched-capacitor circuits by symbolic analysis

2015 28th IEEE International System-on-Chip Conference (SOCC) Pub Date : 2015-09-01 DOI:10.1109/SOCC.2015.7406913

Yanjie Gu, G. Shi

引用次数: 3

Abstract

In modern systems-on-chip (SOC) technology analog modules are costly to design. This paper studies an optimal realization of switched-capacitor (SC) circuit given a transfer function (TF) in the z-domain. Among the multiple possibilities of capacitance assignments, the proposed method is more controllable in arriving at a desirable SC realization. The underlying technique applies a symbolic method to derive a cancellation-free symbolic representation for a given SC circuit topology, then uses the automatically generated symbolic coefficient expressions to synthesize a set of numerical capacitance values suitable for physical implementation. Examples demonstrate the effectiveness of the proposal.

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开关电容电路的符号分析优化实现

在现代片上系统(SOC)技术中，模拟模块的设计成本很高。本文研究了给定z域传递函数的开关电容电路的最优实现。在电容分配的多种可能性中，该方法在达到理想的SC实现方面更具可控性。该技术采用符号方法推导出给定SC电路拓扑结构的无消去符号表示，然后使用自动生成的符号系数表达式合成一组适合物理实现的数值电容值。实例证明了该建议的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2015 28th IEEE International System-on-Chip Conference (SOCC)

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