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L - ER Publications
L - ER Publications

... system with renewable power generation. It consists of various types of power generation units and different types of loads. Renewable sources, such as wind and sunlight, are typically used to generate electricity for residential users and small industries. Both types of power generation use ac/ac a ...
10A 4.5V-14V Input Non-Isolated Wide Output Adjustable Power
10A 4.5V-14V Input Non-Isolated Wide Output Adjustable Power

AN1978
AN1978

... if the characterization tests remarked that the CLK Duty Cycle is enclosed between 45% and 55%, ...
LTC4080
LTC4080

... charge status indicator pin has three states: pulldown, high impedance state, and pulse at 2Hz. This output can be used as a logic interface or as an LED driver. When the battery is being charged, the ⎯C⎯H⎯R⎯G pin is pulled low by an internal N-channel MOSFET. When the charge current drops to 10% of ...
AN994
AN994

... High-side driver floating reference. Attention should be paid to the layout design of the power stage so as to limit below-ground spikes on this pin. ...
LABORATORY WORK BOOK For The Course EL
LABORATORY WORK BOOK For The Course EL

... With an astable multivibrator, the op amp operates only in the non-linear region. So its output has only two voltage levels, Vmin and Vmax. The astable continually switches from one state to the other, staying in each state for a fixed length of time. The circuit of an astable multivibrator is shown ...
iC-MG 8-Bit Sin/Cos INTERPOLATION IC WITH RS422 DRIVER
iC-MG 8-Bit Sin/Cos INTERPOLATION IC WITH RS422 DRIVER

... The PGA front-end permits differential (VDIFF or IDIFF mode) or single-ended input signals (VREF or IREF mode); high impedance (V modes) and low impedance (I modes) can be selected. By this adaptation MR sensor bridges or photosensors can be directly connected. The integrated signal conditioning uni ...
LMP7731 2.9 nV/sqrt(Hz) Low Noise, Precision, RRIO Amplifier (Rev
LMP7731 2.9 nV/sqrt(Hz) Low Noise, Precision, RRIO Amplifier (Rev

... Electrical Table values apply only for factory testing conditions at the temperature indicated. Factory testing conditions result in very limited self-heating of the device such that TJ = TA. No specification of parametric performance is indicated in the electrical tables under conditions of interna ...
AN10909 Low V transistors in medium power load switch applications
AN10909 Low V transistors in medium power load switch applications

... Figure 2 and Figure 3 show VCEsat characteristics as a function of collector current IC. The smaller the IC/IB ratio (high IB current), the deeper the transistor is in saturation, and the lower the voltage drop across the collector-emitter junction VCEsat. Deep saturation results in lowest VCEsat dr ...
COMPOUND CIRCUITS
COMPOUND CIRCUITS

... Write a generalized statement that describes the relationship between the total resistance in the circuit (as measured where the battery would be located) and the resistance at each bulb. ...
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DAC7642, DAC7643: 16-Bit, Dual Voltage Output Digital-To

... The DAC7642 and DAC7643 are dual channel, 16-bit, voltage output Digital-to-Analog Converters (DACs) which provide 15-bit monotonic performance over the specified temperature range. They accept 16-bit parallel input data, have double-buffered DAC input logic (allowing simultaneous update of all DACs ...
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TB6560AHQ,TB6560AFG TB6560AHQ/AFG PWM Chopper-Type Bipolar Driver IC for Stepping Motor Control

... (*) : The pin assignment of the TB6560AFG is different from that of the TB6560FG. TB6560AHQ: There is no no-connect (NC) pin. TB6560AFG: Except the above pins, all pins are NC. The pin numbers of NC pins are: 1, 3, 5, 8, 9, 12, 15, 17, 18, 21, 22, 24, 27, 29, 32, 34, 37, 40, 41, 44, 46, 49, 52, 54, ...
DRV604 数据资料 dataSheet 下载
DRV604 数据资料 dataSheet 下载

... and total harmonic distortion (THD) are low. A good low equivalent-series-resistance (ESR) ceramic capacitor, typically 1µF, placed as close as possible to the device PVDD leads works best. Placing this decoupling capacitor close to the DRV604 is important for the performance of the amplifier. For f ...
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Lesson 18 questions – Potential dividers - science
Lesson 18 questions – Potential dividers - science

... Kirchhoff's two laws are equations based on conservation of charge and conservation of energy that can be applied to any electric circuit. The two laws can be used to work out the current in any branch of a circuit, given the emfs and resistances in the circuit. Kirchhoff's first law states that the ...
Electricity in a 2D mechanics simulator for education
Electricity in a 2D mechanics simulator for education

... Rechargeable batteries as well as ideal batteries and electrical components such as resistors, should also be available. The electricity should be solved separated from the mechanics, i.e. the mechanics is first solved and then the electricity is solved after. Since the simulator will be used by stu ...
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Automatic power factor controllers and thyristor modules
Automatic power factor controllers and thyristor modules

... maximum. Each one of the two banks can be individually enabled and its power can be set through a dedicated potentiometer. It is also possible to adjust the time for connection and disconnection of the capacitor banks, thereby modifying the reaction speed of the system. The controller can be used bo ...
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11.3 Gbps Active Back-Termination, Differential Laser Diode Driver ADN2526

... As shown in Figure 1, the ADN2526 consists of an input stage and two voltage-controlled current sources for bias and modulation. The bias current, which is available at the IBIAS pin, is controlled by the voltage applied at the BSET pin and can be monitored at the IBMON pin. The differential modulat ...
Optical Encoders, 600 Series, Datasheet
Optical Encoders, 600 Series, Datasheet

CALIFORNIA STATE UNIVERSITY NORTHRIDGE  ELECTRICAL ENGINEERING FUNDAMENTALS
CALIFORNIA STATE UNIVERSITY NORTHRIDGE ELECTRICAL ENGINEERING FUNDAMENTALS

AD9901: Ultrahigh Speed Phase/Frequency Discriminator Data Sheet (Rev B, 01/1991)
AD9901: Ultrahigh Speed Phase/Frequency Discriminator Data Sheet (Rev B, 01/1991)

... It should be noted, however, that as frequency increases, the linear range is decreased. At the ends of the detection range, the reference and oscillator inputs approach phase alignment. At this point, slew rate limiting in the detector effectively increases phase gain. This decreases the linear det ...
MAX1940 Triple USB Switch with Autoreset and Fault Blanking General Description
MAX1940 Triple USB Switch with Autoreset and Fault Blanking General Description

... accordance with USB specifications. The MAX1940 operates from a 4V to 5.5V input supply and consumes only 60µA of quiescent current when operating and only 3µA in standby. Selectable active-high/active-low control logic and independent shutdown controls for each channel provide additional flexibilit ...
AN-1521 POEPHYTEREV-I / -E Evaluation Board User's Guide 1 Introduction
AN-1521 POEPHYTEREV-I / -E Evaluation Board User's Guide 1 Introduction

... For the AUX power input, the higher potential should feed into the center pin of P1. When using TP3 and TP4 for the quick AUX input connection to a bench power supply, be aware that TP3 is the high potential pin. The diode DE1 provides the reverse protection of the AUX input. Please note that TP4 an ...
Building Blocks of Integrated Circuit Amplifiers
Building Blocks of Integrated Circuit Amplifiers

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Current mirror

A current mirror is a circuit designed to copy a current through one active device by controlling the current in another active device of a circuit, keeping the output current constant regardless of loading. The current being 'copied' can be, and sometimes is, a varying signal current. Conceptually, an ideal current mirror is simply an ideal inverting current amplifier that reverses the current direction as well or it is a current-controlled current source (CCCS). The current mirror is used to provide bias currents and active loads to circuits. It can also be used to model a more realistic current source (since ideal current sources don't exist).The circuit topology covered here is one that appears in many monolithic ICs. It is a Widlar mirror without an emitter degeneration resistor in the follower (output) transistor. This topology can only be done in an IC as the matching has to be extremely close and cannot be achieved with discretes.Another topology is the Wilson mirror. The Wilson mirror solves the Early effect voltage problem in his design.
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