DocumentCode :
464954
Title :
A Continuous-Time Field Programmable Analog Array Using Parasitic Capacitance Gm-C Filters
Author :
Henrici, Fabian ; Becker, Joachim ; Buhmann, Alexander ; Ortmanns, Maurits ; Manoli, Yiannos
Author_Institution :
IMTEK, Albert-Ludwigs-Univ., Freiburg
fYear :
2007
fDate :
27-30 May 2007
Firstpage :
2236
Lastpage :
2239
Abstract :
Field programmable analog filters (FPAAs) often lack the necessary bandwidth for high performance applications. This paper presents an FPAA based on Gm-C filters, which achieves routing without the use of transmission gates. Not only can the parameters of these filters be tuned, but also their order and structure. No additional capacitor is used for integration, only the MOS parasitic capacitances. A maximum bandwidth of 164 MHz has been achieved in simulations based on a 130 nm 1.2 V CMOS process. Distortion performance is high with a HD3 of less than -70dB for a 50mV@1MHz signal. Influences of parasitic capacitances are simulated using a test chip with 49 Gm-cells arranged in a hexagonal array.
Keywords :
CMOS analogue integrated circuits; continuous time filters; field programmable analogue arrays; 1.2 V; 130 nm; 164 MHz; CMOS process; MOS parasitic capacitances; continuous-time filter; distortion performance; field programmable analog array; field programmable analog filters; hexagonal array; parasitic capacitance; Band pass filters; Bandwidth; Field programmable analog arrays; Filtering; Frequency; Parasitic capacitance; Routing; Sampling methods; Tunable circuits and devices; Wireless communication;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Circuits and Systems, 2007. ISCAS 2007. IEEE International Symposium on
Conference_Location :
New Orleans, LA
Print_ISBN :
1-4244-0920-9
Electronic_ISBN :
1-4244-0921-7
Type :
conf
DOI :
10.1109/ISCAS.2007.378727
Filename :
4253118
Link To Document :
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