DocumentCode :
2609340
Title :
Switched-current filter models for frequency analysis in the continuous-time domain
Author :
Barby, J.A.
Author_Institution :
Electr. & Comput. Eng., Waterloo Univ., Ont., Canada
fYear :
1993
fDate :
3-6 May 1993
Firstpage :
1427
Abstract :
A simulation and modeling methodology for switched-current (SI) filters is described, and some results are presented. These results, which differ from the response that a true sampled-data filter would predict from z-plane analysis, demonstrate the need to investigate the complete response of an SI filter to a continuous-time input waveform. It is shown that current mirrors with a large gm:go ratio are required for SI filters, and that the stopband response of many SI filters is strongly dependent on the sampling time of the input sample-and-hold circuit
Keywords :
continuous time filters; sampled data filters; switched current circuits; switched filters; SI filter; continuous-time domain; current mirrors; frequency analysis; input waveform; sample-and-hold circuit; sampling time; stopband response; switched-current filters; Circuit simulation; Clocks; Filtering theory; Filters; Frequency domain analysis; MOSFETs; Mirrors; Switches; Switching circuits; Voltage;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Circuits and Systems, 1993., ISCAS '93, 1993 IEEE International Symposium on
Conference_Location :
Chicago, IL
Print_ISBN :
0-7803-1281-3
Type :
conf
DOI :
10.1109/ISCAS.1993.394001
Filename :
394001
Link To Document :
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