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Maher Kayal

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Related publications (165)

Circuit Level Modeling Methodology of Parasitic Substrate Current Injection from a High-Voltage H-bridge at High Temperature

Maher Kayal, Jean-Michel Sallese, Fabrizio Lo Conte

In this paper, a modeling methodology is validated based on an enhanced model of the diode, that we have developed to simulate substrate current coupling mechanisms on a typical H -bridge structure. An equivalent schematic based on an enhanced model of the ...

2011

Geometry influence on the Hall effect devices performance

Maher Kayal, Jean-Michel Sallese, Maria-Alexandra Paun

The influence of the geometry, via the ratio L/W of the Hall cells and the geometrical correction factor G on several figures of merit regarding Hall sensors is analyzed, namely the sensitivity, Hall Voltage and power dissipated within the device. Experime ...

2010

A circuit-level substrate current model for smart-power ICs

Maher Kayal, François Krummenacher, Jean-Michel Sallese, Marc Pastre, Fabrizio Lo Conte

This paper presents a new modeling methodology accounting for generation and propagation of minority carriers that can be used directly in circuit-level simulators in order to estimate coupled parasitic currents. The method is based on a new compact model ...

Institute of Electrical and Electronics Engineers2010

Modeling methodology of high-voltage substrate minority and majority carrier injections

Maher Kayal, Jean-Michel Sallese, Fabrizio Lo Conte

This paper presents a modeling methodology for substrate current coupling mechanisms. An enhanced model of the diode ensuring continuity of minority carriers is used to build an equivalent schematic, accounting for minority and majority carrier propagation ...

2010

High-Speed Power System Stability Simulation Using Analog Computation

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

This paper presents a microelectronic emulation approach for high-speed power system computation. First, the problems of existing power system simulators are detailed. This shows that microelectronic emulation is a possible solution for solving the speed p ...

2010

A 0.8V 2.4GHz 1Mb/s GFSK RF transceiver with on-chip DC-DC converter in a standard 0.18µm CMOS technology

Steve Tanner, Maher Kayal, Frédéric Chastellain, Pierre-André Farine, Martin Kucera

A low-energy 2.4GHz RF transceiver supporting 1Mb/s Gaussian Frequency-Shift Keying modulation and designed to run on a 1.5V battery is implemented in a standard 0.18μm CMOS technology. The integrated DC-DC converter can provide up to 100mA to an external ...

IEEE2010

6. MEMS based color-VGA micro-projector system

Maher Kayal, Fabrizio Lo Conte, Laurent Fabre, Didier Raboud, Thierry Barras, Nicolas Abelé

This paper presents a complete portable laser-based projection system using twofold of one dimensional magnetic actuated MEMS linear scanning micro-mirrors. Dedicated high speed electronics was developed to drive the MEMS, detect the mirror scanning positi ...

Elsevier Science, Reg Sales Off, Customer Support Dept, 655 Ave Of The Americas, New York, Ny 10010 Usa2010

Global modeling strategy of parasitic coupled currents induced by minority-carrier propagation in semiconductor substrates

Maher Kayal, François Krummenacher, Jean-Michel Sallese, Marc Pastre, Fabrizio Lo Conte

This paper presents a modeling strategy to simulate the propagation of electrical perturbations induced by direct biasing of substrate junctions. Usually, this is done by identifying parasitic substrate devices such as bipolar transistors. However, mapping ...

2010

Measurement and Performance Evaluation of a Silicon On Insulator Pixel Matrix

Maher Kayal, Jean-Michel Sallese, Louis Harik

A new technique for driving silicon-on-insulator pixel matrixes has been proposed in [1], which was based on transient charge pumping for evacuating the extra photogenerated charges from the body of the transistor. An 8x8 pixel matrix was designed and fabr ...

2010

Methodology for the Digital Calibration of Analog Circuits and Systems Using Sub-binary Radix DACs

Maher Kayal, Marc Pastre

This paper presents a methodology for digitally calibrating analog circuits and systems. Based on the detection of an imperfection by a simple comparator, a successive approximations algorithm tunes a compensation current. The latter is generated by a sub- ...

2010

High-efficiency dynamic supply CMOS audio power amplifier for low-power applications

Maher Kayal, Marc Pastre

This paper describes the analysis and design of a dynamic supply CMOS audio power amplifier for low-power applications. The dynamic supply technique is used to increase the efficiency of a class AB power amplifier. The polarization of its output stage is a ...

2009

Micro-beamer based on MEMS micro-mirrors and laser light source

Maher Kayal, Fabrizio Lo Conte, Laurent Fabre, Nicolas Abelé, Christophe Winter

This paper presents a complete portable laser-based projection system using two one-dimensional magnetic actuated MEMS linear scanning micro-mirrors. Dedicated high speed electronics was developed to drive the MEMS, detect the mirror scanning position at a ...

Elsevier Science, Reg Sales Off, Customer Support Dept, 655 Ave Of The Americas, New York, Ny 10010 Usa2009

SOI Pixel Based on a Floating Body Partially Depleted MOSFET in a Delta-Sigma Loop

Maher Kayal, Jean-Michel Sallese, Louis Harik

Standard techniques used for measuring the photocurrent of an SOI phototransistor have failed due to two main reasons: the first being the low signal-to-noise ratio and the second being the slow transient. In this paper, the partially depleted silicon on i ...

Institute of Electrical and Electronics Engineers2009

A circuit-level substrate current model for smart-power ICs

Maher Kayal, François Krummenacher, Jean-Michel Sallese, Marc Pastre, Fabrizio Lo Conte

IEEE Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

Calculateur analogique faible consommation dédié au calcul transitoire des réseaux électriques

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

2009

A 300Hz 19b DR capacitive accelerometer based on a versatile front end in a 5th-order ΔΣ loop

Maher Kayal, Marc Pastre

This paper presents a 5th-order ΔΣ capacitive accelerometer. The ΔΣ loop is implemented in mixed signal, the global 5th-order filter having a 2nd-order analog and a 3rd-order digital part. The system can be used with a wide range of sensors, because the mi ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

SOI digital pixel sensor based on charge pumping

Maher Kayal, Jean-Michel Sallese, Louis Harik

In this paper, a digital pixel sensor in SOl is presented. The active part is a partially depleted Sol phototransistor. The technique elaborated in [I] was designed and implemented. Moreover, we took advantage of some of the characteristics of the floating ...

IEEE Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

High-Speed Power System Stability Simulation Using Analog Computation

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

This paper introduces a microelectronic emulation approach for high-speed power system computation. First, the problems of existing power system simulators are detailed. This shows that microelectronic emulation is a possible solution for the speed problem ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

High-Speed, Mixed-Signal Emulation for Power System Dynamic Analysis

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

2009

Methodology for the Digital Calibration of Analog Circuits and Systems Using Sub-binary Radix DACs

Maher Kayal, Marc Pastre

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

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