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Transactions: WSEAS TRANSACTIONS ON CIRCUITS AND SYSTEMS
Transactions ID Number: 32-290
Full Name: Farooq Khanday
Position: Assistant Professor
Age: ON
Sex: Male
Address: The University of Kashmir, Hazratbal
Country: INDIA
Tel: 911942412135
Tel prefix: 91
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E-mail address: farooqsnn20@yahoo.co.in
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Title of the Paper: Synthesis of first-order log-domain All-pass/Multifunction filters based on transfer function decomposition
Authors as they appear in the Paper: N. A. SHAH and F. A. KHANDAY
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Number of paper pages: 11
Abstract: This paper proposes two current-mode first-order log-domain All-pass filters, which are systematically derived using the transfer function decomposition procedure. First-order low-pass and high-pass filters, being the inherit building blocks of proposed All-pass filters, are also presented. Thus, the all-pass filter circuits can be thought of multifunction filter circuits also. The filter circuits have very simple structures, since they use exponential transconductor cells or E cells built employing only NPN transistors and a grounded capacitor, thereby rendering the filters convenient for monolithic integration. They can be electronically tuned by changing external currents besides having low sensitivities and good linearity. The filters have a greater bandwidth due to inherently current-mode and log-domain operations. Multisim 7 simulations are given to confirm the theoretical analysis.
Keywords: Analogue integrated circuits; Current-mode circuits; Log-domain filters; All-pass filters; Multifunction filters;
EXTENSION of the file: .doc
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