Novel CMOS realizations of the inverting second-generation current conveyor and applications

Sobhy, Ehab A.; Soliman, Ahmed M.

doi:10.1007/s10470-007-9096-y

Cited by 20 publications

(9 citation statements)

References 13 publications

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“…Different kinds of active elements have been used in quadrature oscillators up to now. Designers of quadrature oscillators utilize various active elements such as the positive, negative and inverting second generation current conveyor (ICCII-, CCII+, CCII-) [3][4][5], current differencing transconductance amplifier (CDTA) [6][7][8], current differencing buffered amplifier (CDBA) [9][10], operational amplifier [11], current feedback operational amplifier (CFOA) [12][13][14], differential difference current conveyor (DDCC) [15], fully balanced voltage differencing buffered amplifier (FB-VDBA) [16], also known as current backward transconductance amplifier (CBTA) [17], differential difference dual-X second generation current conveyor (DD-DXCCII) [18] and four terminal floating nullor (FTFN) [19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Current and Voltage Mode Quadrature Oscillator Based on Voltage Differencing Buffered Amplifier

Yeşil¹,

Kaçar²

2018

IU-JEEE

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In this work, we present a current-mode and voltage-mode quadrature oscillator circuit using a voltage differencing buffered amplifier (VDBA), two grounded capacitors, and a grounded resistor. The oscillation condition and frequency are orthogonally (or independently) controllable. The currentmode and voltage-mode quadrature signals can be simultaneously obtained from the proposed circuit. The use of only grounded capacitors and resistors makes the proposed circuits ideal for integrated circuit implementation. The quadrature oscillator is simulated with SPICE simulation program using 0.35-µm technology parameters.

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Section: Introductionmentioning

confidence: 99%

Current and Voltage Mode Quadrature Oscillator Based on Voltage Differencing Buffered Amplifier

Yeşil¹,

Kaçar²

2018

IU-JEEE

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“…The characteristics of VTMOS are strongly related to the V TH shift, which depends on the bias V GB . [6][7][8][9][10] Recently, previous work that generalized analogue circuit design has been used for a fractionalorder (FO) di®erentiator, an integrator, sinusoidal oscillators and¯lters. [11][12][13] Therefore,¯lters represent one of the most important and popular analogue blocks.…”

Section: Introductionmentioning

confidence: 99%

A ± 0.2 V, 0.12 Μw Ccta Using Vtmos and an Application Fractional-Order Universal Filter

Comedang¹,

Intani²

2014

J CIRCUIT SYST COMP

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In this paper, a variable threshold voltage metal oxide semiconductor (VTMOS)¯eld e®ect transistor is used to improve an ultra-low voltage, ultra-low power current conveyor transconductance ampli¯er (CCTA). To achieve the desired result, an analytical subthreshold VTMOS model is used. Designs that utilize the TSMC 0.18 m technology are veri¯ed using PSPICE simulation. The power consumption is simply 0.12 W at a AE 0.2 V supply voltage. The proposed CCTA is synthesized using fractional-order (FO) universal¯lters that can simultaneously realise low pass (LP), high pass (HP) and bandpass (BP) responses with independent control of quality factor and pole frequency by transconductances (g m ). Moreover, the circuit has low input and high output impedance which would be an ideal choice for cascading in current-mode circuit. The FŌ lters are constructed using two FO capacitors of orders and (0 < ; 1). The FO¯lters provide improved performance in terms of pole frequency compared with conventional-order lters. The¯lter has a low power consumption of 0.71 W at a AE 0.2 V supply voltage. The validity of the proposed¯lter is veri¯ed through PSPICE simulations. J CIRCUIT SYST COMP 2014.23. Downloaded from www.worldscientific.com by THE UNIVERSITY OF NEW SOUTH WALES on 03/16/15. For personal use only. T. Comedang & P. Intani 1450126-2 J CIRCUIT SYST COMP 2014.23. Downloaded from www.worldscientific.com by THE UNIVERSITY OF NEW SOUTH WALES on 03/16/15. For personal use only. A AE 0.2 V, 0.12 W CCTA Using VTMOS and an Application FO Universal Filter 1450126-9 J CIRCUIT SYST COMP 2014.23. Downloaded from www.worldscientific.com by THE UNIVERSITY OF NEW SOUTH WALES on 03/16/15. For personal use only. A AE 0.2 V, 0.12 W CCTA Using VTMOS and an Application FO Universal Filter 1450126-17 J CIRCUIT SYST COMP 2014.23. Downloaded from www.worldscientific.com by THE UNIVERSITY OF NEW SOUTH WALES on 03/16/15. For personal use only. T. Comedang & P. Intani 1450126-18 J CIRCUIT SYST COMP 2014.23. Downloaded from www.worldscientific.com by THE UNIVERSITY OF NEW SOUTH WALES on 03/16/15. For personal use only.

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“…For example, two system block diagrams of the receiver/transmitter part of a global system for mobile cellular telephone and crossover network used in a three-way high-fidelity loudspeaker are introduced in [15,16]. Since its presentation by Awad and Soliman [17], the new type of current conveyor, an inverting type second-generation current conveyor (ICCII), has received more attention, and its usefulness in the design of active filters has been reported [18][19][20][21]. Since its presentation by Awad and Soliman [17], the new type of current conveyor, an inverting type second-generation current conveyor (ICCII), has received more attention, and its usefulness in the design of active filters has been reported [18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Current‐mode dual‐output ICCII‐based tunable universal biquadratic filter with low‐input and high‐output impedances

Chen¹

2012

Circuit Theory & Apps

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A new tunable current-mode (CM) biquadratic filter with three inputs and three outputs using three dual-output inverting second-generation current conveyors, three grounded resistors and two grounded capacitors is proposed. The proposed circuit exhibits low-input impedance and high-output impedance which is important for easy cascading in the CM operations. It can realize lowpass, bandpass, highpass, bandreject and allpass biquadratic filtering responses from the same topology. The circuit permits orthogonal controllability of the quality factor Q and resonance angular frequency o o , and no component matching conditions or inverting-type input current signals are imposed. All the passive and active sensitivities are low. Hspice simulation results are based on using TSMC 0.18 mm 1P6M process complementary metal oxide semiconductor technology and supply voltages AE0.9 V to verify the theoretical analysis.

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Novel CMOS realizations of the inverting second-generation current conveyor and applications

Cited by 20 publications

References 13 publications

Current and Voltage Mode Quadrature Oscillator Based on Voltage Differencing Buffered Amplifier

Current and Voltage Mode Quadrature Oscillator Based on Voltage Differencing Buffered Amplifier

A ± 0.2 V, 0.12 Μw Ccta Using Vtmos and an Application Fractional-Order Universal Filter

Current‐mode dual‐output ICCII‐based tunable universal biquadratic filter with low‐input and high‐output impedances

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