High-frequency CMOS switched-capacitor filters for communications application

High-frequency CMOS switched-capacitor filters for communications application

Bandpass filters for communications applications are realized using an 80 MHz differential single-stage CMOS operational amplifier and a fully differential identical-resonator elliptic bandpass ladder filter configuration. Experimental results are given for a CMOS sixth-order 260 kHz elliptic bandpa...

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Veröffentlicht in:IEEE journal of solid-state circuits 1983-12, Vol.18 (6), p.652-664
Hauptverfasser: Choi, T.C., Kaneshiro, R.T., Brodersen, R.W., Gray, P.R., Jett, W.B., Wilcox, M.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Band pass filters
Circuit properties
Circuits
Clocks
CMOS technology
Communication switching
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Exact sciences and technology
Filtering
Frequency
Frequency filters
Operational amplifiers
Passive filters
Telephony
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Beschreibung
Zusammenfassung:Bandpass filters for communications applications are realized using an 80 MHz differential single-stage CMOS operational amplifier and a fully differential identical-resonator elliptic bandpass ladder filter configuration. Experimental results are given for a CMOS sixth-order 260 kHz elliptic bandpass filter with a Q-factor of 40, a clock frequency of 4 MHz, and a power dissipation of 70 mW.
ISSN:0018-9200
1558-173X
DOI:10.1109/JSSC.1983.1052015