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DOE Fundamentals Handbook Electrical Science Volume 3 of 4
DOE Fundamentals Handbook Electrical Science Volume 3 of 4

... When a voltage is produced by an AC generator, the resulting current varies in step with the voltage. As the generator coil rotates 360°, the output voltage goes through one complete cycle. In one cycle, the voltage increases from zero to Emax in one direction, decreases to zero, increases to Emax i ...
Direct-Current Circuits
Direct-Current Circuits

LM25061 Positive Low Voltage Power Limiting Hot Swap Controller
LM25061 Positive Low Voltage Power Limiting Hot Swap Controller

... power dissipation in the series pass device to maintain operation within the device Safe Operating Area (SOA). Either current limiting or power limiting for an extended period of time results in the shutdown of the series pass device. In this event, the LM25061-1 latches off until the circuit is re- ...
EcoSpeedTM Step-down Controller with I2C Interface
EcoSpeedTM Step-down Controller with I2C Interface

... controller. Additionally, a status register provides information on device state and faults. The controller is capable of operating with all ceramic solutions and switching frequencies up to 1MHz. The programmable frequency and selectable power save mode offer the flexibility to optimize the control ...
Section 5 High Speed PCB Layout Techniques
Section 5 High Speed PCB Layout Techniques

1763 Fundamentals of Electricity
1763 Fundamentals of Electricity

Digitally Isolated 2-Channel, Wide AC/DC Binary Input Module (Rev
Digitally Isolated 2-Channel, Wide AC/DC Binary Input Module (Rev

... The binary inputs sense a change of the state of the external device. When these external devices are located in a harsh industrial environments (either outdoor or indoor), their contacts can be exposed to various types of contamination. Normally, there is a thin film of insulating sulfidation, oxid ...
ECE 206 Lab 4: Introduction to ELVIS II+ II+
ECE 206 Lab 4: Introduction to ELVIS II+ II+

... utilizing the hardware and software of the ELVIS II+. Within the ELVIS, there are A/Ds, Analog to Digital Converters; D/A, Digital to Analog Converters; Digital Inputs, Digital Outputs, and Power Supplies. The software within the PC requests the data needed for the selected measurement from the ELVI ...
LinCMOS PRECISION DUAL OPERATIONAL AMPLIFIERS
LinCMOS PRECISION DUAL OPERATIONAL AMPLIFIERS

OPA684 Low-Power, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES
OPA684 Low-Power, Current Feedback OPERATIONAL AMPLIFIER With Disable FEATURES

... power line drivers to meet the demanding requirements of studio cameras and broadcast video. The output capability of the OPA684 also sets a new mark in performance for low-power current feedback amplifiers. Delivering a full ±4VPP swing on ±5V supplies, the OPA684 also has the output current to sup ...
AN-835: Understanding High Speed ADC Testing and Evaluation
AN-835: Understanding High Speed ADC Testing and Evaluation

... rejection of 60 dB, meaning that signals that fall into the stop band will be rejected by 60 dB. If, for example, a signal source has a harmonic that is 25 dB below the fundamental, the effective level of the harmonic is −85 dBc after a Q70T filter. For many high performance ADCs, this is not suffic ...
AquiStar GDL
AquiStar GDL

circuits and devices lab
circuits and devices lab

CIRCUIT LOADING AND DEMAND FACTOR
CIRCUIT LOADING AND DEMAND FACTOR

... (1) When calculating the currents from loads expressed in watts or volt-amperes, to be supplied by a low voltage a.c. system, the voltage divisor to be used shall be 230.0V or 380.0V as applicable. 6.4.2 Voltage Drop (1) Voltage drop in an installation shall be based upon the calculated demand load ...
LT6600-5
LT6600-5

... Note 5: Output common mode voltage is the average of the voltages at Pins 4 and 5. The output common mode voltage is equal to the voltage applied to Pin 2. Note 6: The LT6600C is guaranteed functional over the operating temperature range –40°C to 85°C. Note 7: The LT6600C is guaranteed to meet 0°C t ...
FEATURES FUNCTIONAL BLOCK DIAGRAM
FEATURES FUNCTIONAL BLOCK DIAGRAM

... Specified propagation delay performance can be achieved only by keeping the capacitive load at or below the specified minimums. The output of the AD8468 is designed to directly drive one Schottky TTL, three low power Schottky TTL loads, or the equivalent. For large fanouts, buses, or transmission li ...
PowerPad Portable Power Monitor User Manual
PowerPad Portable Power Monitor User Manual

... The PowerPad portable power monitor is a three-phase power quality analyzer that is compact and shock-resistant. It is intended for technicians and engineers to measure and carry out diagnostic work on one, two, or three phase low voltage networks. You are able to obtain instant waveforms of an elec ...
OPAx227 and OPAx228 High Precision, Low Noise Operational
OPAx227 and OPAx228 High Precision, Low Noise Operational

... over operating free-air temperature range (unless otherwise noted) MIN ...
ADCMP341 数据手册DataSheet 下载
ADCMP341 数据手册DataSheet 下载

Greenwave Meter Instructions (11-13-15)
Greenwave Meter Instructions (11-13-15)

... the   meter   and   void   the   warranty.     Also,   do   NOT   exchange   or   adapt   the   cord/plug   that   came   with   the   meter  in  an  effort  to  make  it  fit  non-­‐standard  outlets  in   your   environment   (e.g., ...
View - Ministry of Education, Guyana
View - Ministry of Education, Guyana

Exercise 5
Exercise 5

... The schematic on the left uses a variable voltage source to change the voltage v across the element E, which in turn induces a change in the current i through E. The one on the right uses a variable current source to change the current i through E, which causes the voltage v across E to change. For ...
Exercise 6: LEDs and MatLab
Exercise 6: LEDs and MatLab

... The schematic on the left uses a variable voltage source to change the voltage v across the element E, which in turn induces a change in the current i through E. The one on the right uses a variable current source to change the current i through E, which causes the voltage v across E to change. For ...
MAX16955 36V, 1MHz Step-Down Controller with Low Operating Current General Description
MAX16955 36V, 1MHz Step-Down Controller with Low Operating Current General Description

... with Low Operating Current General Description The MAX16955 is a current-mode, synchronous PWM step-down controller designed to operate with input voltages from 3.5V to 36V while using only 50μA of quiescent current at no load. The switching frequency is adjustable from 220kHz to 1MHz by an external ...
Dual 0.275% Comparators and Reference with Programmable Hysteresis ADCMP341/ADCMP343
Dual 0.275% Comparators and Reference with Programmable Hysteresis ADCMP341/ADCMP343

... accuracy comparators with a 400 mV reference in an 8-lead SOT-23 package. Operating within a supply range of 1.7 V to 5.5 V, the devices only draw 6.5 μA (typical), making them ideal for low voltage system monitoring and portable applications. Hysteresis is determined using three resistors in a stri ...
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Multimeter



A multimeter or a multitester, also known as a VOM (Volt-Ohm meter or Volt-Ohm-milliammeter ), is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter would include basic features such as the ability to measure voltage, current, and resistance. Analog multimeters use a microammeter whose pointer moves over a scale calibrated for all the different measurements that can be made. Digital multimeters (DMM, DVOM) display the measured value in numerals, and may also display a bar of a length proportional to the quantity being measured. Digital multimeters are now far more common but analog multimeters are still preferable in some cases, for example when monitoring a rapidly varying value. A multimeter can be a hand-held device useful for basic fault finding and field service work, or a bench instrument which can measure to a very high degree of accuracy. They can be used to troubleshoot electrical problems in a wide array of industrial and household devices such as electronic equipment, motor controls, domestic appliances, power supplies, and wiring systems.Multimeters are available in a wide range of features and prices. Cheap multimeters can cost less than US$10, while laboratory-grade models with certified calibration can cost more than US$5,000.
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