ELECTRONICS COMPONENTS SALES AND SERVICE

RESISTOR DESIGN DEVELOPMENT TESTING


A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages, bias active elements, and terminate transmission lines,

Frequency response of thin film chip resistor
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Abstract. High frequency measurements from 0.1 to 40 GHz were performed on industry standard flip chip thin film resistors from Vishay Thin Film. The results of these measurements are reported in this paper. A lumped circuit model is presented that

SOI gated resistor : CMOS without junctions
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II. OPERATION PRINCIPLE N+ and P+ SOI nanowires/nanoribbons can be pinched off by a MOS gate provided the ribbon thickness and width are small enough. Simulations indicate that junctionless trigate SOI FETs with a 5nm 5nm cross section and a uniform N+ doping of Figure 2 A possible constructions for a sensing element (schematically). A ceramic substrate with thick film resistors is glued on a metal beam with two radial holes. The metal beam is clamped on one side and a force is applied on the other. The pair of resistors on the damped

A resistorless current-mode quadrature sinusoidal oscillator employing single CCCDTA and grounded capacitors
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Abstract. In this study, a current-mode quadrature sinusoidal oscillator using single current controlled current differencing transconductance amplifier (CCCDTA) and 2 grounded capacitors is proposed. The proposed oscillator can provide 2 sinusoidal output currents

New gain controllable resistorless current-mode first order allpass filter and its application
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Abstract. New first order allpass filter (APF) in current mode, constructed from 2 CCCCTAs and grounded capacitor, is presented. The current gain and phase shift can be electronically/orthogonally controlled. Low input and high output impedances are achieved

The conical resistor conundrum: a potential solution
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A truncated cone, made of material of uniform resistivity, is given in many introductory physics texts as a nontrivial problem in the computation of resistance. The intended method and answer are incorrect and the problem cannot be solved by elementary means. In this

DVCCs based high input impedance voltage-mode first-order allpass, highpass and lowpass filters employing grounded capacitor and resistor
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Abstract. A voltage-mode high input impedance first-order allpass, highpass and lowpass filters using two differential voltage current conveyors (DVCCs), one grounded capacitor and one grounded resistor is presented. The allpass, highpass and lowpass allpass signals can

FGMOS based voltage-controlled grounded resistor
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Abstract. This paper proposes a new floating gate MOSFET (FGMOS) based voltage- controlled grounded resistor . In the proposed circuit FGMOS operating in the ohmic region is linearized by another conventional MOSFET operating in the saturation region. The major

Evaluation of chip resistor CAD models used in microwave circuit design programs
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ABSTRACT Limited validity of chip resistor CAD models taken from libraries of two widely used microwave circuit design programs has been assessed by comparison with experimentally obtained data. Analysis leading to proper equivalent circuit of chip resistor

Smart location tracking system using FSR (Force Sensing Resistor )
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Abstract This paper presents a smart location tracking system using FSR (Force Sensing Resistor ). It is important to note that our system doesnt need to attach a sensor to human body, because we install a FSR in a floor in order to establish a smart space. Our system can

Resistor current noise measurements
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Excess low-frequency fluctuations are observed in many devices and materials [8, 22, 23] that carry a current. Because most materials and devices usually show a very low noise- level, the noise is hard to measure. Several different methods of measuring the excess noise

Maximum bandwidth enhancement of current mirror using series- resistor and dynamic body bias technique
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Abstract. This paper introduces a new approach for enhancing the bandwidth of a low voltage CMOS current mirror. The proposed approach is based on utilizing body effect in a MOS transistor by connecting its gate and bulk terminals together for signal input. This

Accurate modeling of thin-film resistor up to 40GHz
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Abstract We present an accurate scalable model for Thin-Film Resistors from DC up to 40GHz. The model is based on the basic microstrip theory, and an empirical self- capacitance parameter is introduced. The simulated S-parameter of the model show very

Thin film resistor integration into Flex-Boards
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High tec MC ISO 9001 certified 1 7rd International Workshop ‚Flexible Electronic Systems November 29, 2006, Munich by Dr. Hans Burkard Hightec MC AG, Lenzburg, Switzerland Thin Film Resistor Integration into Flex-Boards Page 2. SHIFT IST 507745 Smart High-Integration

A Resistor Furnace, with some Preliminary Results up to 2,000 C
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ABSTRACT A laboratory furnace, electrically heated with special oxide resistors, is described. The atmosphere within the furnace is oxidizing, and definite heating and cooling schedules can be maintained. Results are given of preliminary tests in which Th02, Zr02,

Novel low voltage CMOS current controlled floating resistor using differential pair
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Abstract. In this paper, a low voltage CMOS current controlled floating resistor which is convenient for integrated circuit implementation is designed by using differential pair. The proposed resistor has a simple circuit structure and low power dissipation. This circuit is

PREPARATION AND CHARACTERIZATION OF ZIRCONIA BASED THICK FILM RESISTOR AS A AMMONIA GAS SENSOR.
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Abstract-Thick film technique is popular because of low cost, simple for construction and better sensing surface area, hence for resistive gas sensor thick films of pure ZrO2 powder were prepared by Standard screen printing technique. The material was characterized by X-

New CMOS-based resistorless current-mode first-order all-pass filter using only ten transistors and one external capacitor
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Abstract. This paper proposes a new, compact CMOS realization of current-mode (CM) first- order all-pass filter (APF) using no external resistors. The circuit is created using only ten transistors and one external capacitor. The circuit uses lower number of transistors as

Impact of resistor quality of the readout electrodes on em calorimeter performance
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Abstract High voltage is distributed to the pads of the readout electrodes of the ATLAS em calorimeter through silk screened resistors. Their resistance values are de ned as a compromise between di erent requirements such as preampli er protection and minimisation

Percolation and conduction in random resistordiode networks
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ABSTRACT The geometrical properties of random networks containing nondirected bonds (resistors) and directed bonds (diodes) of arbitrary orientation are investigated. It is found that percolation transitions occur by varying either the bond concentration or the diode

A CMOS voltage-controlled grounded resistor circuit
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The voltage-controlled grounded resistor circuit is a versatility building block in several analog signal processing such as telecommunications, electronics the voltage controlled grounded circuits have been developed by using FE1, MOS CMOS transistor components. A

A temperature variable high accuracy 10 kΩ resistor
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Abstract A temperature-variable high accuracy (TVHAR) 10 k resistor has been developed at the National Institute of Metrological Research,(INRIM), in order to transfer the traceability to high accuracy multifunction instruments used in the accredited calibration laboratories.

Method to suppress the parasitic resonance using parallel resistor and inductor combination to reduce broadband noise from DC/DC converter
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AbstractSynchronous buck converters generate broadband noise typically in 50 300 MHz range due to the parasitic LC resonance in the switching loop which consists of input decoupling capacitors, high-side MOSFET and low-side MOSFET. Typically, this parasitic

Using embedded resistor emulation and trimming to demonstrate measurement methods and associated engineering model development
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Embedded resistors are planar resistors that are fabricated inside printed circuit boards and used as an alternative to discrete resistor components that are mounted on the surface of the boards. The successful use of embedded resistors in many applications requires that the

Modelling of thermal behavior N-doped silicon resistor
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ABSTRACT From the analysis of the frequently models of mobility used in the literature, we determine by an identification method the temperature coefficientsand β of a silicon resistance doped with donor atoms. Their variations show a non linear dependence 1. Introduction The resistor properties which are of relevance to the performance of a thick film hybrid circuit include resistance value, temperature coefficient of resistance (TCR), voltage coefficient of resistance (VCR) and noise coefficient. Deviations in any of these parameters from the designed

An analysis on the uncertainty of calculating the time constant of the quadrifilar reversed resistor
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Abstract The uncertainty of calculating the time constant of the quadrifilar reversed resistor has been analyzed with the aim of determining the loss angle of a capacitor in terms of the calculated time constant. The results showed that the time constant of our resistor was

How to Specify the Current Sense Resistor in a Converter using the UCC28083
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Rs is the sensor of the current through the output transformer. This current is made up of several components on the secondary side and primary side that have to be considered. The first two and the most significant of these are the maximum DC output current (Imax) and

A new wideband electronically tunable grounded resistor employing only three MOS transistors
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Abstract: In this paper, a new wideband electronically tunable grounded resistor namely a grounded voltage controlled resistor (GVCR) including only three MOS transistors, is suggested. The proposed GVCR, without requiring any additional bias currents and

Design a PLL Filter When Only the Zero Resistor and Capacitor Are Adjustable
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As described in the references, a standard procedure can be used to determine the values of R0, C0, and CP for a secondorder loop filter in a phase-locked loop (PLL). It uses openloop bandwidth (ω0) and phase margin (M) as design parameters, and can be

Using a Dump Resistor for Protection of Focusing Solenoids in the CH Section of the HINS Linac Front End
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Analysis of events is a case of a quench in the main coil or in the bucking coils of a focusing solenoid in the absence of a dump resistor in the solenoid discharge circuit has been made in. According to this analysis, the worst case scenario (the maximum temperature and

Non Gaussian Amplitude Distribution of Thermal Noise in a resistor with 1/f Noise
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It is well-known that resistors of any nature which contain a relatively small number of carriers are alsocharacterized in general by the presence of resistance fluctuations with a 1/f spectrum. These, apparently fundamental, 1/f resistance fluctuations are not due to

Nonlinear Resistor with Polynomial AV Characteristics and Its Application in Chaotic Oscillator
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Abstract. This paper shows the realization of two terminal devices with an arbitrary polynomial nonlinearity up to the fifth order. The proposed design procedure is completely systematic using minimum of components. The very heart of our conception is four-channel

Phonon contribution to the noise of a one-channel Landauer resistor
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We devise a theory of shot noise in semiconductor nanowires under conditions of phonon- assisted quasiballistic transport. A general expression for the noise spectral density is derived and used to investigate particular cases of interest. For low temperatures, a

Realization of a 100 MΩ step Hamon guarded transfer standard resistor to improve the traceability levels of high value resistance in dc current at INRIM
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Abstract At INRIM a 100 M step Hamon three terminals active guarded transfer standard resistor was projected and now is in phase of setting up. With this standard the traceability level of the maintained 1 G standard at INRIM will improve from the current uncertainty of

Laser-induced surface vortex current in a thick film resistor
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As is known, conducting materials under the action of laser radiation exhibit photoelectric phenomena that are related to the transfer of a photon momentum to conduction electrons in a skin layer on the irradi ated material surface. The sample surface can be much greater than the region of

Discrete inverse problems for Schr dinger and Resistor networks
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1 Abstract Sylvester and Uhlmann related solutions of the conductivity equation to corresponding solutions of the Schr dinger equation. This allowed them to solve the inverse conductivity problem by translating it into an inverse Schr dinger problem, whose method of

TaN resistor reliability studies
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Abstract We present TaN thin-film resistor life test data for three different temperatures and three different current densities. A surprising decrease of resistance was observed over the course of the life tests. We show an exponential dependence of temperature for this

FET pair and op amp linearize voltage controlled resistor
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A matched field-effect transistor pair can be combined with an operational amplifier and a few resistors to form a circuit in which one fetdrain-to-source resistance (Rds) bears a precisely linear relationship to a control voltage (VCJ. Though a single fet can serve as a

Cross Bridge Kelvin Resistor (CBKR) structures for silicide semiconductor junctions characterization
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AbstractAnalyzing the contact geometry factors for the conventional CBKR structures, it appeared that the contact geometries conventionally used for the metal-to-silicide contact resistance measurements were not always satisfactory to reveal the specific contact

Thermal management in surface-mounted resistor applications
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Thermal management is becoming more important as the density of electronic components in modern printed circuit boards (PCBs), as well as the applied power, continues to increase. Both factors lead to higher temperatures of individual components and of the entire

Ground-Fault Detection, Charging Current and Neutral-Grounding Resistor Selection
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In order to facilitate system design and troubleshooting, this paper reviews charging current and sympathetic tripping, protective relay coordination, and the factors that affect NGR selection for alarming and tripping applications. A systematic method is proposed for

Stress Effects on Thin Film Nichrome Embedded Resistor Tolerance
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Abstract Electronic devices with high performance are becoming smaller and lighter. The passive components required to enable high performance consume premium space on the surface of the printed circuit board. Integrating the resistor function into the laminate

On the pressure dependence of a starling-like resistor
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Abstract: A Starling resistor in models of fluid flow through a collapsible tube is a resistance term that depends on the transmural pressure across the tube wall. In a traditional Starling resistor negative transmural pressure implies that the tube is fully collapsed and fluid flow is

High precision low temperature coefficient current reference with resistor compensation
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AbstractIn order to improve temperature characteristics and precision of current reference, a novel resistor compensated current reference based on bandgap voltage reference with trimming network is proposed in this paper. By introducing the combination of 2nd order

Thermal Cycling Reliability of Chip Resistor Lead Free Solder Joints
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ABSTRACT The solder joint reliability of ceramic chip resistors assembled to laminate substrates has been a long time concern for systems exposed to harsh environments such as those found in automotive and aerospace applications. This is due to a combination of

A 1-GHz, 7-mW, 8-Bit Subranging ADC without Resistor Ladder Using Built-In Threshold Calibration
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Abstract A subranging analog-to-digital converter (ADC) features high-speed and relatively low-power. The limiting factors of power reduction in subranging ADCs are the resistor ladder and the comparator. We propose an ADC architecture combining a capacitive digital-

Resistor network approaches to the numerical solution of electrical impedance tomography with partial boundary measurements
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Electrical Impedance Tomography (EIT) problem consists of finding the electric conductivity inside a conductive body from simultaneous measurements of electric potential and current at its boundary. The EIT problem with partial boundary measurements corresponds to the

Improved Thin-Film Resistor Material
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Embedded resistors have been used for many years as replacements for discrete surface devices in order to increase circuit density, improve reliability and enhance electrical performance. For many of those years, circuit designs were able to accommodate

Applications using buried resistor technology
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Page 1. xSeries IBM May l 3, 2001 Page 1 of 36 Ohmega-Plyis a registered trademark of Ohmega Technologies, Inc. Applications Using Buried Resistor Technology IBM Beaverton Clint Beliveau Advisory Engineer clintb@us.ibm.com 503-578-4171 Page 2. xSeries IBM May l 3, 2001

A New Variable Degeneration Resistor for Digitally Controlled CMOS Variable Gain Amplifiers
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Abstract: A degenerated differential pair has been widely used as a standard topology for digitally programmable CMOS VGAs. A variable degeneration resistor has been implemented using a resistor string or R-2R ladder with MOSFET switches. However, in the

Development of a Non-Inductive ceramic resistor
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Abstract Non-inductive ceramic resistors, based on alumina and carbon, are used for impedance matching in the circuit of the J-PARC main ring injection kicker system. The kickers were installed in December 2011, and have been in operation successfully since The accuracy of calculating the output voltage of a voltage divider depends on the method used to determine the absolute and relative accuracy of the divider resistors [i]. In prac- tice, resistors are selected in accordance with their design values calculated by the tech- nique described in

A generalization into three dimensions of the resistor isolating algorithm
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INTRODUCTION: Consider networks of resistors in a three dimensional lattice as shown in figure 1. Call the points at the ends of each resistor nodes. There are no current sources or sinks inside the lattice so Kirkhofflaw holds over the interior. Nodes where Kirkhofflaw

Switched resistor filters
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Abstract A new technique using switched resistors to implement high frequency analog filters is presented. This approach is compatible with MOS technology and has the effective RC time constants determined by capacitor ratios. The technique involves periodically

Resistor networks and transfer resistance matrices
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Consider a planar network which can be drawn in a circle with the electrodes ordered anti- clockwise 1,, L on the circle. Let A be the transfer conductance. We will consider only networks that are well connected. This means that there are independent paths connecting

The solving of bias resistor and its effect on the RS485 fieldbus
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AbstractThe RS485 fieldbus has been widely used in communication, data collecting and related fields. The stable communication is the premise of its application. Maximum load, terminal resistor and bias resistor are three main parameters of RS485 field bus, which We shall assume that a circuit which converts the ratio of two electrical quantities into an electrical current or voltage is a ratiometer measuring circuit. Such a circuit together with a measuring instrument can perform all the functions of a ratiometer. It can be used for

Mitigation of voltage drop using pre-insertion resistor during large transformer energization in a weak system: Simulation and field verification
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Abstract--Significant voltage drops can be expected during the energization of a large transformer in a weak system due to high inrush currents. Although controlled switching techniques are now available, pre-insertion resistors continue to be applied control the

Gain calibration protocol for 1013 Ω resistor current amplifiers using the certified neodymium standard JNdi-1 on the TRITON Plus
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Selective virtual amplifier concept2 Following the virtual amplifier concept, during analysis, all cups are sequentially connected to all active amplifiers, all ion beams are in turn measured with the same set of amplifiers, and the stochastic calibration biases of the

ELECTRONICS COMPONENTS SALES AND SERVICE-INTEGRATED CIRCUIT-ANALOG, DIGITAL, DSP, RF IC, WIRLESS IC, VLSI, CAPACITOR, RESISTOR, INDUCTOR, PCB, MODULE, SENSOR