Active and Passive Electronic Components

https://www.hindawi.com/journals/apec/

List of Papers (Total 1,552)

Thick Film Circuit Layout and Extraction of Parameters Using The Magic Layout Editor

A Technology file for the Magic layout editor has been developed in order to enable thick film circuit designers to evolve fast solutions for layout with design rule checking, and plotting of the masks of multilayer hybrid circuits. The hybrid design system developed provides for device placement, and automatic routing techniques, in thick film circuits. Device placement is done...

A Physical Model for MOSFET Drain Current in Non-ohmic Regime Using Ohmic Regime Operation

In order to characterise the velocity saturation phenomena in short channel MOSFET's, a simple method is proposed in this work. It is based on the comparison between transistor behaviour in ohmic and saturation regime respectively. Therefore, the MOSFET characteristic Id0(Vd). avoiding velocity saturation phenomena, can be obtained from ohmic characteristic Id(Vg) and compared...

Announcement

MOCVD-Grown InGa/GaAs Emitter Delta Doping Heterojunction Bipolar Transistors

The influence of delta doping sheet at base-emitter (BE) junction for an InGaP/GaAs heterojunction bipolar transistor (HBT) with a 75Å undoped spacer layer is investigated. A common emitter current gain of 235, an offset voltage as small as 50mV and an Ic ideal factor of 1.01 are obtained, respectively. The use of delta doping sheet at BE junction results in a high gain and low...

Negative Differential Resistance Behavior in Delta-Doped AlInP Structure Grown by MOCVD

An AlInP delta-doped schottky diode exhibiting negative differential resistance (NDR) behavior is demonstrated for the first time. The NDR characteristics with a peak to valley ratio of 5.5 and peak current density of 1KA/cm2 were achieved at room temperature. In addition, the maximum available power is estimated up to 5W/cm2 . The mechanism for such performance is...

Announcements

Novel First-Order Current-Mode All-Pass Sections Using CCIII

Two new configurations realizing canonical first-order current-mode all-pass sections (APSs) using a single third generation current conveyor (CCIII) are given. Using each configuration, two types of first-order all-pass filters can be derived giving rise to four distinct circuits for APS, three of which are novel. Each APS employs only a single CCIII and a minimum of passive...

Déposition par Pulvé Risation Cathodique Radio Fréquence et Caracté Risation Électronique, Structurale et Optique de Couches Minces du Dioxyde de Titane

Deposited titanium oxide thin films are used as optical protector films for several materials and as energy converters for solar cells. In this work, titanium oxide thin films are deposited on c-Si and glass substrates by reactive radiofrequency sputtering. All the deposits are grown at ambient temperature and the sputtering gas is a mixture of oxygen and argon with an overall...

Current-Mode Universal Filter Using FTFNs

A new current-mode universal filter is presented. The proposed filter uses three four-terminal floating nullors (FTFNs), three grounded capacitors, and four grounded resistors. The proposed filter has three inputs and one output and can realize lowpass, highpass, bandpass, notch, and allpass transfer functions without changing the circuit topology. The proposed filter enjoys low...

Wire Wrapped Joints—A Review

The basic technique of wire wrapping is now well established as a simple and reliable method for joining conductor wires in a permanent, though easily replaceable, manner to more massive terminals. This paper describes the mechanical and the metallurgical basis of the joining technique and outlines the advantages. The scope of the technique as it has developed up to the present...

Interpretation de Certaines Proprietes de Films Granulaires de Nickel

Des films granulaires de nickel (grains de 100 Å environ) sont obtenus par évaporation sur substrat d'alumine en ultra-vide puis recouverts d'une couche d'alumine. La structure et la conductivité électrique de ces grains sont étudiées. La mise en oeuvre de l'analyse par rétrodiffusion d'ions Hélium et les examens au microscope électronique permettent d'estimer les effets d'une...

Book Reviews

Coupling Between Separate Phases of Coaxial Double Circuit Transmission Lines

The paper studies the so-called coaxial overhead transmission lines. The concentric phases are considered. The mathematical analysis for voltage and current is presented. The telegraphic equations of the double circuit power lines with the mutual effect between circuits are introduced. The condition for single circuit transmission line is checked. The mutual effect between both...

Optical and Electrical Properties of SnO2:F Thin Films Obtained by R.F. Sputtering With Various Targets

Tin oxide films were deposited on glass substrates by reactive and non reactive r.f. sputtering using different types of targets corresponding to various Sn/F atomic ratio: hot pressed Sn–SnF2 or SnO2–SnF2 mixtures, ceramics obtained by casting either an aqueous SnO2–SnF2 slurry or a suspension of tin oxide in molten tin fluoride. The samples were prepared in oxygen-argon gas...

Miniature Thick Film Resistors for Microwave Integrated Circuits

In this paper the results of miniature thick film resistors designed as add-on lumped resistors are presented. A few resistor configurations have been elaborated and tested, and a specific trimming resistance, which avoids parasitic trimming inductance was used. Some of the designed resistors were used in isolators and directional couplers for the 2-11 GHz band. The electrical...

Economical and Accurate Digitally Programmable Dual-Polarity Gain Amplifier

A digitally programmable, dual-polarity gain amplifier is proposed. It uses total resistance less than those presented earlier. The effect of on-resistance of switches can be fully compensated.

New Universal Filter Using Two Current-Feedback Amplifiers

A new universal voltage-mode second-order filter circuit is presented. The circuit has three inputs and one low-impedance output and can realize all the standard filter functions; lowpass, highpass, bandpass, notch, and allpass, without changing the passive elements. The proposed circuit uses only five passive components and enjoys independent control of the natural frequency and...

PLR (Plastic Lithium Rechargeable) Batteries Using Nanoscale Materials: A Convenient Electrical Energy Power for the Future?

This communication describes the synthesis of: (i) non toxic and low cost nanocrystalline electrode materials which can be advantageously prepared at low temperature; (ii) highly conductive electrolyte membranes formed by the nano-encapsulation within a poly (acrylonitrile)-based polymer matrix of a solution of LiPF6 in organic solvants. The performances of rechargeable PLR...

Déposition par Pulvé Risation Cathodique Radio Fréquence et Caracté Risation Électronique, Structurale et Optique de Couches Minces du Dioxyde de Titane

Deposited titanium oxide thin films are used as optical protector films for several materials and as energy converters for solar cells. In this work, titanium oxide thin films are deposited on c-Si and glass substrates by reactive radiofrequency sputtering. All the deposits are grown at ambient temperature and the sputtering gas is a mixture of oxygen and argon with an overall...

Multitransmission Zero Dual-Band Bandpass Filter Using Nonresonating Node for 5G Millimetre-Wave Application

A planer millimetre-wave dual-band bandpass filter with multitransmission zeros is proposed for 5G application. This filter includes two dual-mode open-loop resonators. The U-shape nonresonating node is employed to generate an extra coupling path. Finally, a dual-band bandpass filter with five transmission zeros is obtained. The filter is fabricated and measured. Good agreement...

Design and Implementation of a Modular Bidirectional Switch Using SiC-MOSFET for Power Converter Applications

The bidirectional switch (Bi-Sw) is a power device widely used by power conversion systems. This paper presents a novel modular design of a Bi-Sw with the purpose of providing to beginner researchers the key issues to design a power converter. The Bi-Sw has been designed in modular form using the SiC-MOSFET device. The Bi-Sw uses the advantages of SiC-MOSFET to operate at high...

Design and Implementation of a Modular Bidirectional Switch Using SiC-MOSFET for Power Converter Applications

The bidirectional switch (Bi-Sw) is a power device widely used by power conversion systems. This paper presents a novel modular design of a Bi-Sw with the purpose of providing to beginner researchers the key issues to design a power converter. The Bi-Sw has been designed in modular form using the SiC-MOSFET device. The Bi-Sw uses the advantages of SiC-MOSFET to operate at high...

High Voltage Ceramic Capacitors

The effects of voltage, temperature and time on ceramic dielectrics are summarized and general relationships between formulation, permittivity and stability are described. Factors affecting the electric strength of ceramics are outlined and suggestions made as to the breakdown mechanisms involved both within the ceramic and at the ceramic surface. The article is concluded with a...