High-output-impedance transadmittance type continuous-time multifunction filter with minimum active elements

Toker, Ali; Çiçekoğlu, Oğüzhan; Özcan, Sadri; Kuntman, Hakan

doi:10.1080/00207210110071260

Cited by 46 publications

(29 citation statements)

References 14 publications

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“…These ratios can be chosen as Q . Table 1 shows the comparison of the present work with the previously reported works [14][15][16][17][18]. The study of Table 1 reveals the following.…”

Section: Circuit Descriptionsupporting

confidence: 54%

“…The study of Table 1 reveals the following. 1) [14] uses the same number of active components as that of present work, whereas the number of passive components are more in [14] and most of them are floating. Input impedance is low which is not desirable for a circuit having input as voltage signal.…”

Section: Circuit Descriptionmentioning

confidence: 99%

“…A transadmittance mode filter is suitable for such applications and finds usage in receiver base band blocks of modern radio system [14]. A careful study indicates that a limited literature is available on transadmittance mode filter [14][15][16][17][18]. These circuits can nicely perform the operation of transadmittance mode filter, but still there is scope to improve them in the following fronts: use of floating passive components [14][15][16][17][18] which is not considered good for IC implementation point of view; input voltages are not applied at high impedance terminal [14,16,18]; availability of output currents through passive components [17] thus there is requirement of additional hardware; and filter parameters are not electronically tunable [17].…”

Section: Introductionmentioning

confidence: 99%

“…The total effectiveness of the electronic circuitry can be increased if signal processing can be combined with V→I interfacing. A transadmittance mode filter is suitable for such applications and finds usage in receiver base band blocks of modern radio system [14]. A careful study indicates that a limited literature is available on transadmittance mode filter [14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

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SIMO Transadmittance Mode Active-C Universal Filter

Pandey¹,

Paul²

2010

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This paper presents two transadmittance mode universal filters having single voltage input and multiple current outputs. The filter employs three multiple output current controlled conveyors (MOCCCII) and two grounded capacitors. It can realize low pass, high pass, band pass, notch and all pass responses. As desired, the input voltage signal is inserted at high impedance input terminal and the output currents are obtained at high impedance output terminals and hence eases cascadability. The filter enjoys low sensitivity performance and low component spread; and exhibits electronic and orthogonal tunability of filter parameters via bias currents of MOCCCII. SPICE simulation results confirm the workability of the proposed structure.

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“…These ratios can be chosen as Q . Table 1 shows the comparison of the present work with the previously reported works [14][15][16][17][18]. The study of Table 1 reveals the following.…”

Section: Circuit Descriptionsupporting

confidence: 54%

Section: Circuit Descriptionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

SIMO Transadmittance Mode Active-C Universal Filter

Pandey¹,

Paul²

2010

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“…Many second-order filters constructed using different active elements and a minimum or nearminimum number of external passive components have been reported in [1][2][3][4][5][6]. Simplicity, however, does not come without a price.…”

Section: Introductionmentioning

confidence: 99%

A mixed‐mode KHN‐biquad using DVCC and grounded passive elements suitable for direct cascading

Mınaeı

İbrahim

2008

Circuit Theory & Apps

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SUMMARYIn this paper a mixed-mode (input and output signals can be current or voltage) Kerwin-HuelsmanNewcomb (KHN) biquad with low/high input impedance and high/low output impedance depending on the type of the corresponding signal (current/voltage) is presented. The circuit is constructed using three differential voltage current conveyors (DVCCs), two grounded capacitors and three grounded resistors. The circuit simultaneously provides bandpass (BP), highpass (HP) and lowpass (LP) responses when the output is current and notch, BP and LP responses when the output is voltage. The notch and allpass responses can be obtained by connecting appropriate output currents directly without using additional active elements. Because of the low input and high output impedance of the circuit for current signals and the high input and low output impedance for voltage signals, it can be used in cascade for realizing higher-order filters. SPICE simulation results are given to verify the theoretical analysis.

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