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Exact design of stray-insensitive switched-capacitor lowpass ladder filters from unit-element prototypes

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Abstract

A new technique is described in which stray-insensitive SC lowpass ladder filters of the LDI type are designed without the need for network synthesis. These filters exactly simulate the response of a unit element cascade prototype filter and may be designed with a usable frequency range up to one half the sampling frequency. This design procedure requires no more than simple hand calculation.

References

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      • H. Baher , S.O. Scanlan . Stability and exact synthesis of lowpass switched-capacitor filters. IEEE Trans. , 488 - 492
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      • J. Mavor , H.M. Reekie , P.B. Denyer , S.O. Scanlan , T.M. Curran , A. Farrag . A prototype switched-capacitor voltage-wave filter realised in MOS technology. IEEE J. Solid-State Circuits , 716 - 723
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      • R. Levy . Tables of element values for the distributed lowpass prototype filter. IEEE Trans. , 514 - 536
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content/journals/10.1049/el_19840456
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