Title :
Matrix methods for the design of transconductor ladder filters
Author :
Greer, N.P.J. ; Henderson, R.K. ; Ping, Li ; Sewell, J.I.
Author_Institution :
Wolfson Microelectron. Ltd., Edinburgh, UK
fDate :
4/1/1994 12:00:00 AM
Abstract :
Matrix-based methods for the design of transconductor ladder filters are presented. These allow the realisation of any bandpass or lowpass prototype using only one or two values of transconductance. The new methods are illustrated by experimental results from a 1 MHz elliptic lowpass filter, a 400 kHz elliptic bandpass filter, a 400 kHz Chebyshev bandpass filter, and a PLL frequency-control loop, all fabricated in a 1 μm CMOS process
Keywords :
CMOS integrated circuits; active filters; band-pass filters; ladder networks; linear integrated circuits; linear network synthesis; low-pass filters; 1 MHz; 1 mum; 400 kHz; CMOS process; Chebyshev bandpass filter; PLL frequency-control loop; elliptic bandpass filter; elliptic lowpass filter; transconductance; transconductor ladder filter design methods;
Journal_Title :
Circuits, Devices and Systems, IEE Proceedings -
DOI :
10.1049/ip-cds:19949721
