Electronically tunable DV-EXCCCII-based universal filter

Singh, Priyanka; Nagaria, R. K.

doi:10.1080/21681724.2020.1726480

Cited by 9 publications

(12 citation statements)

References 25 publications

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“…Over the period, several current-mode active blocks evolved . Some of the most important active blocks in the literature are CCII [2], CCCII [3][4], DVCC [5][6], OFCC [7][8], CDTA [9], MOCCII [10][11], VDTA [12], ICCII [13], CFTA [15], VDCC [16], ZC-CFTA [17], DOCCII [18], MOCCA [19], MO-CCCA [20], CCCCTA [21], DDCC [22], EX-CCCII [23], DV-EXCCCII [24], LT1228 [25], FTFNTA [26], DXCCTA [27], FDCCII [14,28], and many more.…”

Section: Introductionmentioning

confidence: 99%

“…An electronically tunable active element with an extra input current terminal is proposed later, and its first-order filter application is represented in [23]. A novel electronically tunable analog block with a differential input stage and an extra input current terminal is proposed in [24]. This active element has a wide application because it exhibits the properties of both DVCC and EX-CCCII.…”

Section: Introductionmentioning

confidence: 99%

“…This active element has a wide application because it exhibits the properties of both DVCC and EX-CCCII. A filter proposed in [24] uses a single DV-EXCCCII and is electronically tunable. The voltage-mode filter presented in [25] employs two LT1228s, four resistors, and two capacitors.…”

Section: Introductionmentioning

confidence: 99%

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DV-EXCCCII Based Resistor-Less Current-Mode Universal Biquadratic Filter

Singh

Nagaria

2023

Adv. technol. innov.

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This study aims to present a new resistor-less current-mode multi-input single-output universal filter. The current-mode’s design approach is used to obtain the proposed circuit. This circuit employs a single differential voltage extra-X current controlled current conveyor (DV-EXCCCII) and two grounded capacitors. This multifunction filter circuit offers low-pass, high-pass, all-pass, band-pass, and band-reject filters at a single output terminal without passive component matching constraints. The same circuit topology can obtain all second-order filter functions with different input conditions. The proposed circuit design is electronically adjustable with the bias current of DV-EXCCCII. Because of its high output impedance, this arrangement is suitable for cascading other current-mode circuits. The proposed circuit is simulated by Cadence Spectre with 0.18 µm UMC CMOS technology process parameters at ± 0.9 V supply voltages. The simulation results agree well with the theoretical concept of the proposed circuit.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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DV-EXCCCII Based Resistor-Less Current-Mode Universal Biquadratic Filter

Singh

Nagaria

2023

Adv. technol. innov.

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“…Nowadays, current mode (CM) technique-based circuit design is preferred over voltage mode (VM) technique due to its inherent property of large bandwidth, high slew rate, simple circuitry, low power consumption, etc. Some of the most considered current mode active analog block is second generation current conveyor (CCII) [2][3][4][5][6], third generation current conveyor (CCIII) [7], current controlled current conveyor (CCCII) [8], differential voltage current conveyor (DVCC) [9][10][11], differential difference current conveyor (DDCC) [12][13][14][15], differential current conveyor (DCCII) [16], voltage differencing transconductance amplifier (VDTA) [17], modified current conveyor (MCCII) [18], dual-X second generation current conveyor (DXCCII) [19], fully differential second generation current conveyor (FDCCII) [20], current feedback operational amplifier (CFOA) [21], current feedback amplifier (CFA) [22], differential voltage extra-X current controlled current conveyor (DV-EXCCCII) [23], operational transresistance amplifier (OTRA) [24] and many more.…”

Section: Introductionmentioning

confidence: 99%

DV-EXCCCII-Based Electronically Tunable Voltage Mode All-Pass Filter

Singh

Varshney

Kumar

et al. 2021

Lecture Notes in Electrical Engineering

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“…The proposed universal filter employs single active block, i.e., DV-EXCCCII [23] which simplifies filter circuit configuration and one capacitor which is grounded making it easy for IC implementation. This configuration is able to realize LP, HP and AP filters at a single terminal using proper input combination.…”

mentioning

confidence: 99%

DV-EXCCCII-Based Electronically Tunable Current Mode Filter

Singh

Varshney

Kumar

et al. 2021

Lecture Notes in Electrical Engineering

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Since several decades, current mode became an important and more efficient approach to design an analog circuit. Analog circuit designed using current mode technique results in high-performance circuit with high slew rate, greater linearity, simple circuit design, low power consumption and large bandwidth in comparison with its voltage mode counterparts. Filter is an important circuit element in many analog signal applications. Among all the filters, the first-order filter has application in video, audio, communication, instrumentation and many other areas where low power and simple circuitry are priority. The first-order universal filter is a circuit which is able to realize first-order low-pass (LP), high-pass (HP) and all-pass (AP) filters. Several first-order filters are reported in the literature employing operational amplifier [1,2]. Due to potential advantages of current mode (CM) approach over voltage mode (VM), researcher's attention shifted toward CM technique. Previously, a lot of first-order universal filters employing current mode active blocks are discussed in the literature. Some of the most discussed active analog blocks are CCI [3

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Electronically tunable DV-EXCCCII-based universal filter

Cited by 9 publications

References 25 publications

DV-EXCCCII Based Resistor-Less Current-Mode Universal Biquadratic Filter

DV-EXCCCII Based Resistor-Less Current-Mode Universal Biquadratic Filter

DV-EXCCCII-Based Electronically Tunable Voltage Mode All-Pass Filter

DV-EXCCCII-Based Electronically Tunable Current Mode Filter

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