Result: A switchable-order Gm-C baseband filter with wide digital tuning for configurable radio receivers
Title:
A switchable-order Gm-C baseband filter with wide digital tuning for configurable radio receivers
Authors:
Source:
ESSCIRC 2006IEEE journal of solid-state circuits. 42(7):1513-1521
Publisher Information:
New York, NY: Institute of Electrical and Electronics Engineers, 2007.
Publication Year:
2007
Physical Description:
print, 33 ref
Original Material:
INIST-CNRS
Subject Terms:
Electronics, Electronique, Sciences exactes et technologie, Exact sciences and technology, Sciences appliquees, Applied sciences, Electronique, Electronics, Electronique des semiconducteurs. Microélectronique. Optoélectronique. Dispositifs à l'état solide, Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices, Circuits intégrés, Integrated circuits, Conception. Technologies. Analyse fonctionnement. Essais, Design. Technologies. Operation analysis. Testing, Circuits électriques, optiques et optoélectroniques, Electric, optical and optoelectronic circuits, Propriétés des circuits, Circuit properties, Circuits électroniques, Electronic circuits, Oscillateurs, résonateurs, synthétiseurs, Oscillators, resonators, synthetizers, Filtres de fréquence, Frequency filters, Convertisseurs de signal, Signal convertors, Accord automatique, Automatic tuning, Sintonización automática, Accès multiple répartition code, Code division multiple access, Acceso múltiple división código, Bande base, Base band, Banda base, Circuit accordable, Tunable circuit, Circuito acordable, Convertisseur direct, Direct convertor, Convertidor directo, Etalon fréquence, Frequency standards, Filtre Butterworth, Butterworth filter, Filtro Butterworth, Filtre actif, Active filter, Filtro activo, Filtre passe bas, Low pass filter, Filtro paso bajo, Filtre temps continu, Continuous time filters, Fréquence coupure, Cut off frequency, Frecuencia corte, Horloge atomique, Atomic clock, Reloj atómico, Ordre 3, Third order, Orden 3, Récepteur radioélectrique, Radio receivers, Technologie MOS complémentaire, Complementary MOS technology, Tecnología MOS complementario, Transconductance, Transconductancia, Transconducteur, Transconductor, Transmission large bande, Wide band transmission, Transmisión banda ancha, Triode, Tríodo, Baseband continuous-time filter, configurable Gm-C filter, multimode radio receivers, on-chip automatic tuning, tunable triode linear transconductor
Document Type:
Conference
Conference Paper
File Description:
text
Language:
English
Author Affiliations:
STMicroelectronics, 38926 Crolles, France
IEMN/ISEN, 59046 Lille, France
STMicroelectronics, Minatec, 38054 Grenoble, France
IEMN/ISEN, 59046 Lille, France
STMicroelectronics, Minatec, 38054 Grenoble, France
ISSN:
0018-9200
Rights:
Copyright 2007 INIST-CNRS
CC BY 4.0
Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS
CC BY 4.0
Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS
Notes:
Electronics
Accession Number:
edscal.18943685
Database:
PASCAL Archive
Further Information
A master/slave technique which allows digital tuning of a Gm-C filter's cut-off frequency is proposed. It relies on an accurate transconductance division technique, fixing the reference frequency independently from the filter cut-off frequency. The design of a digitally-tunable Gm-C switchable third/fifth-order Butterworth low-pass filter in a 0.13-μm 1.2-V CMOS process is also proposed. An extended tuning range (above 25:1) is obtained through the design of a linear very widely tunable transconductor. Measured results prove this chip to be compatible with the baseband part of direct-conversion cellular receivers, from GSM to W-CDMA, with a tuning accuracy better than 5% over the entire tuning range.