Title :
A CMOS field programmable analog array and its application in continuous-time OTA-C filter design
Author :
Pankiewicz, Bogdan ; Wojcikowski, Marek ; Szczepanski, Stanislaw ; Sun, Yichuang
Author_Institution :
Fac. of Electron., Telecommun. & Inf., Tech. Univ. Gdansk, Poland
Abstract :
A general configurable analog block (CAB) is presented, which consists of the programmable OTA, programmable capacitor and MOSFET switches. Using the CABs, the universal tunable and field programmable analog array (FPAA) can be constructed, which can realize many signal-processing functions, including filters. A prototype 5×8 CAB array has been fabricated. The chip has also been configured to realize a programmable OTA-C filter. From the simulated and measured results it has been found that filters with frequencies from several kHz to a few MHz can be realized based on the proposed CAB and FPAA
Keywords :
CMOS analogue integrated circuits; continuous time filters; operational amplifiers; CAB array; CMOS field programmable analog array; FPAA; MOSFET switches; continuous-time OTA-C filter design; general configurable analog block; programmable OTA; programmable capacitor; signal-processing functions; Capacitance; Capacitors; Field programmable analog arrays; Filters; Frequency; MOSFET circuits; Mirrors; Switches; Transconductance; Voltage control;
Conference_Titel :
Circuits and Systems, 2001. ISCAS 2001. The 2001 IEEE International Symposium on
Conference_Location :
Sydney, NSW
Print_ISBN :
0-7803-6685-9
DOI :
10.1109/ISCAS.2001.921774
