High input impedance voltage mode universal biquad filter

被引：0

作者：

Kumar, K. ^{[1
]}

Pal, K. ^{[2
]}

机构：

[1] UPTU Lucknow, IMS Engn Coll, Dept Appl Sci & Humanities Phys, Ghaziabad, Uttar Pradesh, India

[2] Indian Inst Technol, Dept Earthquake Engn, Roorkee, Uttar Pradesh, India

来源：

INDIAN JOURNAL OF PURE & APPLIED PHYSICS | 2010年 / 48卷 / 04期

关键词：

Universal biquad; Voltage mode filter; Operational transconductance amplifiers; Current feedback amplifier; High input impedance; CURRENT CONVEYORS; OTA; REALIZATION; AMPLIFIERS; CCII;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A high input impedance voltage mode universal biquad filter using two operational transconductance amplifiers (OTAs), one current feedback amplifier (CFA), two capacitors and one grounded resistor has been studied. The new circuit has three inputs and single output and can realize all the standard filter functions, that is low pass (LP), high pass (HP), band pass (BP), notch (NH), and all pass (AP) filters without changing the circuit topology. The proposed circuit offers several advantages such as orthogonal controllability of the resonance frequency omega(0) and quality factor Q. There is no need of one more active element for the realization of all pass filter, high input impedance and low output impedance which is suitable for cascading for higher order filter transfer functions and low active and passive sensitivity performance.

引用

页码：292 / 296

页数：5

共 27 条

[1]

Biolek D, 2009, INDIAN J PURE AP PHY, V47, P535

[2] UNIVERSAL FILTER USING UNITY-GAIN CELLS [J].

CELMA, S ;

SABADELL, J ;

MARTINEZ, P .

ELECTRONICS LETTERS, 1995, 31 (21) :1817-1818

[3] New multifunction OTA-C biquads [J].

Chang, CM .

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-ANALOG AND DIGITAL SIGNAL PROCESSING, 1999, 46 (06) :820-824

[4] GYRATOR IMPLEMENTATION FROM COMMERCIALLY AVAILABLE TRANSIMPEDANCE OPERATIONAL-AMPLIFIERS [J].

FABRE, A .

ELECTRONICS LETTERS, 1992, 28 (03) :263-264

[5] HIGH INPUT IMPEDANCE INSENSITIVE 2ND-ORDER FILTERS IMPLEMENTED FROM CURRENT CONVEYORS [J].

FABRE, A ;

DAYOUB, F ;

DURUISSEAU, L ;

KAMOUN, M .

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-FUNDAMENTAL THEORY AND APPLICATIONS, 1994, 41 (12) :918-921

[6] Novel universal voltage-mode biquad filter with three inputs and one output using only two current conveyors [J].

Horng, JW ;

Tsai, CC ;

Lee, MH .

INTERNATIONAL JOURNAL OF ELECTRONICS, 1996, 80 (04) :543-546

[7] New CCII-based voltage-mode universal biquadratic filter [J].

Horng, JW ;

Lee, MH ;

Cheng, HC ;

Chang, CW .

INTERNATIONAL JOURNAL OF ELECTRONICS, 1997, 82 (02) :151-155

[8] High input impedance voltage-mode universal biquadratic filter using two OTAs and one CCII [J].

Horng, JW .

INTERNATIONAL JOURNAL OF ELECTRONICS, 2003, 90 (03) :185-191

[9] Inverting and/or non-inverting biquad circuit using second-generation current conveyors [J].

Horng, JW .

INTERNATIONAL JOURNAL OF ELECTRONICS, 1999, 86 (03) :297-303

[10] Voltage-mode universal biquadratic filter with one input and five outputs using OTAs [J].

Horng, JW .

INTERNATIONAL JOURNAL OF ELECTRONICS, 2002, 89 (09) :729-737

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