Abstract
A method for the direct closed-form analysis of switched-capacitor networks using signal-flow graph (SFG) techniques is presented. Although the networks must conform to certain constraints, these include the constraints required for insensitivity to stray capacitance. The method of analysis is noteworthy for its simplicity of use, because it permits the signal-flow graph of a switched capacitor network to be drawn directly by inspection. Arbitrary network functions can then be obtained using signal-flow graph theory. An additional advantage of the method is due to the insight afforded into the functioning of a network by its signal-flow graph. The reverse procedure of synthesizing an SC network by deriving the signal-flow graph corresponding to a given transfer function, and then transforming the SFG into a physical network, is thereby also simplified.
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More From: IEE Proceedings G (Electronic Circuits and Systems)
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