Title :
Polyphase SC IIR Hilbert transformers
Author :
Pun, K.-P. ; Franca, J.E. ; Leme, C.A.
Author_Institution :
Inst. Superior Tecnico, Lisbon, Portugal
fDate :
4/29/1999 12:00:00 AM
Abstract :
A novel polyphase switched-capacitor (SC) implementation of IIR Hilbert transformers is proposed. The circuit employs fewer op-amps and has better performance than the traditional two-phase circuit. SWIT-CAP2 simulation results and phase sensitivities to capacitance mismatches are provided
Keywords :
IIR filters; frequency response; operational amplifiers; phase shifters; sensitivity analysis; switched capacitor networks; SC IIR Hilbert transformers; SWIT-CAP2 simulation; capacitance mismatches; op-amps; phase sensitivities; polyphase Hilbert transformers; switched-capacitor implementation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19990517
