Sampled-data filters with switched capacitors
S. M. BOZIC · International Journal of Electronics · 1979
This paper examines the operation of a switched capacitor as an equivalent resistor from a fundamental point of view. It also shows how one can develop the switehed-capaeitor filter directly using analogue-to-digital filter transformations which depend on the type of approximation of the continuous time functions. Furthermore, it points to possible problems of filter instability.