Three input and one output voltage-mode universal filter

被引：0
|
作者：
Shah, NA [1 ]
Rather, MF [1 ]
Iqbal, SZ [1 ]
机构：
[1] Univ Kashmir, Postgrad Dept Elect & Instrumentat Technol, Srinagar 190006, Jammu & Kashmir, India
来源：
INDIAN JOURNAL OF PURE & APPLIED PHYSICS | 2003年 / 41卷 / 07期
关键词：
circuit design; voltage-mode universal filter; universal filter; continuous-time circuits; filter configurations; electronic tunability; simulation;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A three-input and one output voltage-mode (VM) universal biquadratic filter using a single current-feedback amplifier (CFA), a single operational transconductance amplifier (OTA), a single resistor and two capacitors is presented. The circuit without requiring component matching is capable of realizing from the same configuration all the standard filtering responses viz. lowpass (LP), highpass (HP), bandpass (BP), notch (BR), and allpass (AP). The cut off frequency omega(o) and bandwidth a omega(o)/Q are independently tuneable. The low sensitivity figures is the additional advantage of the circuit. The circuit has been simulated using personal computer-simulation program with integrated circuit emphasis (PSPICE) and results are found to be in close conformity with theoretical analysis.
引用
收藏
页码：556 / 558
页数：3
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