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<strong>Independently tunable high-input impedance voltage-mode universal biquadratic filter using grounded passive components</strong>

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Title Statement <strong>Independently tunable high-input impedance voltage-mode universal biquadratic filter using grounded passive components</strong>
 
Added Entry - Uncontrolled Name Lee, Chen-Nong ; Taipei Chengshih University of Science and Technology
the National Science Council of Taiwan, R. O. C.
 
Uncontrolled Index Term specific instrumentation and techniques of general use in physics
Active filters; Second-generation current conveyor; Full differential current conveyor; Voltage-mode; High-input impedance; Universal filter
 
Summary, etc. This paper presents an independently tunable high-input impedance voltage-mode universal biquadratic filter using one plus-type second-generation current conveyor (CCII+), one full differential current conveyor (FDCCII), two grounded capacitors and three grounded resistors which can realize voltage-mode universal filtering responses (lowpass, highpass, bandpass, notch and allpass) from the same topology. The proposed circuit not only permits orthogonal tunability of <em>ω<sub>0</sub></em> and <em>Q</em> but also achieves independent tunability of <em>ω</em><sub>0</sub> and <em>ω</em><sub>0</sub>/<em>Q</em> by using only grounded resistors without any matching conditions. Moreover, the proposed circuit still offers the following advantages: (i) high-input impedance, (ii) the employment of all grounded passive components, (iii) the employment of only two current conveyors, (iv) no need of component matching conditions for realizing any filter responses, (v) no need of extra inverting or non-inverting amplifiers for special input signals, and (vi) low active and passive sensitivities. H-spice simulations with TSMC 0.18 μm 1P6M CMOS process technology validate theoretical predictions.
 
Publication, Distribution, Etc. Indian Journal of Pure & Applied Physics (IJPAP)
2015-09-02 13:27:10
 
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http://op.niscair.res.in/index.php/IJPAP/article/view/5173
 
Data Source Entry Indian Journal of Pure & Applied Physics (IJPAP); ##issue.vol## 53, ##issue.no## 9 (2015): Indian Journal of Pure & Applied Physics
 
Language Note en
 
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