A current-mode interface circuit for a piezoresistive pressure sensor

Samitier, J.; Puig-Vidal, M.; Bota, S.A.; Rubio, Carlos; Siskos, S.; Laopoulos, T.

doi:10.1109/19.744332

Cited by 25 publications

(7 citation statements)

References 5 publications

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“…Many of these components offer features for electronic control and great frequency response. Mentioned elements find wide range of applications in the field of sensor, control, measuring, automotive electronics, acoustic, and high-speed & radio-communication systems (amplifiers, filters, oscillators, modulators, active rectifiers, etc) [22][23][24][25][26][27][28].…”

Section: Introductionmentioning

confidence: 99%

New Double Current Controlled CFA (DCC–CFA) Based Voltage–Mode Oscillator with Independent Electronic Control of Oscillation Condition and Frequency

Šotner¹,

Herencsár²,

Jeřábek³

et al. 2013

Journal of Electrical Engineering

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In this paper, a new electronically tunable quadrature oscillator (ETQO) based on two modified versions of current feedback amplifiers (CFAs), the so called double current controlled CFA (DCC-CFAs) is presented. The frequency of oscillation (FO) of the proposed voltage-mode (VM) ETQO is electronically adjustable by current gain or by varying the intrinsic resistance of the X terminal of the active element used. The condition of oscillation (CO) is adjustable by current gain independently with respect to frequency of oscillation. Simultaneous control of current gain and intrinsic resistance allows linear control of FO and provides extension of frequency tuning range. In the proposed circuit all the capacitors are grounded. The use of only grounded capacitors makes the proposed circuit ideal for integrated circuit implementation. The presented active element realized by using BiCMOS technology and the behavior of proposed circuit are discussed in details. The theoretical results are verified by SPICE simulations based on CMOS ON-Semi C5 0.5 µ m and bipolar ultra high frequency transistor arrays Intersil HFA 3096 process parameters.

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Section: Introductionmentioning

confidence: 99%

New Double Current Controlled CFA (DCC–CFA) Based Voltage–Mode Oscillator with Independent Electronic Control of Oscillation Condition and Frequency

Šotner¹,

Herencsár²,

Jeřábek³

et al. 2013

Journal of Electrical Engineering

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“…PROPOSED CIRCUIT rewritten as: Fig.3 illustrates the proposed current-mode square-rooting circuit with temperature compensation using only two CDTAs. Vp = Vn = 0 , iL= apip -anin and ix = gmvz (4) A detail circuit analysis for the output current (io,1) of the proposedsquare-rootingcircuitinFig.3yields: where ap = 1 -£p and £p (I£pl << 1) denotes the current tracking error from p to z, and an = 1 -en and en (ltni << 1)…”

Section: Vtmentioning

confidence: 99%

“…the measuring applications with the current-mode approach. In case of flowmeter, by using a current-mode square-rooting I circuit and a current-mode pressure transducer [4] Fig.3: Proposed current-mode square-rooting circuit.…”

mentioning

confidence: 99%

Temperature-Insensitive Current-Mode Square-Rooting Circuit Using Only Two CDTAs

Mongkolwai

Prasertsom

Tangsrirat

et al. 2008

2008 International Symposium on Communications and Information Technologies

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A simple circuit configuration of the temperatureAs a result, several realizations of current-mode CDTA-based insensitive current-mode square-rooting circuit using current circuits have been developed by various designers [5], [7]-differencing transconductance amplifiers (CDTAs) as active [12]. Therefore, the major goal of this paper is to present a components is described. It has been designed by using only two current-mode square-rooting circuit with the employment of CDTAs without the use of external passive elements. The only two CDTAs. An attractive feature of this configuration current gain of the proposed circuit can be adjusted electronically by an external bias current, thanks to the is that it does not require any passive elements and iS tunability property of the CDTA. PSPICE simulation results are insensitive to the absolute temperature. The use of only employed to confirm the theoretical analysis.active element makes the circuit simple configuration and highly suitable for monolithic implementation. Simulation

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“…Recently, CCII based resistive sensor interfaces have been also proposed [8,9]. In order to use the designed CCII with improved characteristics, let us consider the scheme shown in Fig.…”

Section: The Use Of the Designed CCII In Resistive Sensor Interfacementioning

confidence: 99%

An integrated improved CCII topology for resistive sensor application

Ferri

Stornelli

Fragnoli

2006

Analog Integr Circ Sig Process

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In this paper a novel low voltage low power topology of second generation current conveyor (CCII) is presented. The internal CCII stages have been designed to obtain, at X and Z nodes, reduced parasitic impedances, so improving CCII performance. As an application example, the here proposed CCII, designed in standard CMOS technology (AMS 0.35 µm), has been used to design an integrated resistive sensor interface, showing the capability of compensating the non idealities of passive and active components. Preliminary and post-layout simulations show an excellent linearity for what concerns sensor sensitivity.

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A current-mode interface circuit for a piezoresistive pressure sensor

Cited by 25 publications

References 5 publications

New Double Current Controlled CFA (DCC–CFA) Based Voltage–Mode Oscillator with Independent Electronic Control of Oscillation Condition and Frequency

New Double Current Controlled CFA (DCC–CFA) Based Voltage–Mode Oscillator with Independent Electronic Control of Oscillation Condition and Frequency

Temperature-Insensitive Current-Mode Square-Rooting Circuit Using Only Two CDTAs

An integrated improved CCII topology for resistive sensor application

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