Title :
Sensitivity properties of SC filters derived from LC ladder prototypes
Author :
Curran, Thomas ; Collier, Martin
Author_Institution :
Sch. of Electron. Eng., Dublin City Univ., Ireland
fDate :
12/1/1990 12:00:00 AM
Abstract :
The sensitivity properties of a class of switched-capacitor LDI ladder filter are investigated. It is shown that, because of the frequency variation of the termination in the equivalent circuit of such filters, the passband sensitivity property of the LC prototype filter is not retained. It is shown how the introduction of an extra switched capacitor at the input can result in lower passband sensitivities to the capacitance ratios
Keywords :
equivalent circuits; ladder networks; low-pass filters; network analysis; sensitivity analysis; switched capacitor filters; LC ladder prototypes; SC filters; active filters; capacitance ratios; equivalent circuit; passband sensitivity; sensitivity properties; switched-capacitor LDI ladder filter; Active filters; Capacitors; Circuits and systems; Equivalent circuits; Frequency; Inductors; Low pass filters; Passband; Prototypes; Sampling methods;
Journal_Title :
Circuits and Systems, IEEE Transactions on
