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Transactions: WSEAS TRANSACTIONS ON CIRCUITS AND SYSTEMS
Transactions ID Number: 32-577
Full Name: Chun-ming Chang
Position: Professor
Age: ON
Sex: Male
Address: 18-1, Chung Yuan Village, Chung-Li, Taiwan 32023, R. O. China
Country: TAIWAN
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E-mail address: chunming@dec.ee.cycu.edu.tw
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Title of the Paper: Analytical Synthesis of Digitally Programmable Versatile-Mode High-Order OTA-Equal C Universal Filter Structures with the Minimum Number of Components
Authors as they appear in the Paper: Chun-ming Chang, and Young-ja Ko
Email addresses of all the authors: chunming2dec.ee.cycu.edu.tw;g9402804@cycu.edu.tw
Number of paper pages: 10
Abstract: Abstract: How to simultaneously involve and merge four distinct kinds of modes, i.e., voltage, current, trans-admittance, and trans-impedance modes, into an analytical synthesis method (ASM) for synthesizing a complicated versatile mode high-order universal (namely, low-pass, band-pass, high-pass, band-reject, and all-pass) filter transfer function is presented in this paper employing (i) all single-ended-input operational transconductance amplifiers (OTAs), (ii) all grounded capacitors, and (iii) the minimum number of active and passive components. The new filter structure enjoys the important merits of digital programmability and low sensitivity in addition to have a controllable gain (except the current-mode one), cascadable voltage input and current output terminals, and the absence of the need to impose component matchings. H-spice frequency-dependent simulation results, using TSMC 0.18£gm process and ¡Ó0.9V supply voltages, demonstrate precise filtering respo!
nses (for example, the current-mode high-pass response has only 0.3% error) at the operating frequency, 10 MHz.
Keywords: Active filters, Analog circuit design, Continuous-time filters, Transconductance operational amplifiers, low-pass filters, band-pass filters, high-pass filters, band-reject filters, all-pass filters
EXTENSION of the file: .pdf
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