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Time- and Frequency-Domain Analysis of Linear Switched-Capacitor Networks Using State Charge Variables

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3 Author(s)
Fang, S.-C. ; AT&T Bell Laboratories, Murray Hill, NJ, USA ; Tsividis, Y. ; Omar Wing

We formulate the state equations for tme- and frequency-domain aalysis of switched-capacitor networks (SCN's) using charges associated with topologically identifiable structures in a network as network variables. The method effectively combines variable elimination to reduce matrix sizes with redundancy elimination to reduce memory requirements for many-phases SCN's. The frequency-domain analysis equations are formulated in such a way that computation can be done in a simple iterative manner akin to time-domain analysis but without using discrete Fourier transform. Two speed-up algorithms based on the proposed formulation for input and output sampling are presented.

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Computer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on  (Volume:4 ,  Issue: 4 )