A General Theory of Commutated Networks
- 1 November 1969
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Circuit Theory
- Vol. 16 (4) , 502-508
- https://doi.org/10.1109/tct.1969.1083033
Abstract
A state-space approach is used to derive an exact closed-form solution for the steady-state and transient response of a general commutated network terminated in a multiport. By expanding the time-varying transfer functionN(p, t)in a Fourier series, the transfer function at input frequencyN_{0}(p), and the transfer functions at harmonic frequenciesN_{m}(p)are then calculated. A necessary and sufficient condition for the recovery of the input signal, without distortion due to the harmonics, is given. From the general analysis, we immediately obtain previously available results on comb filters,n-path filters, sample-data filters, etc., as special cases. The resulting closed-form solutions in terms of element values are most suitable for computer simulation in which the performance of the commutated network is to be evaluated as the element values are varied.Keywords
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