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Techo notes – Fixed Resistors
Techo notes – Fixed Resistors

... films, but the principal difference is how the film is applied to the cylinder (axial resistors) or the surface (SMD resistors). Thick film resistors are manufactured using screen and stencil printing processes. Thin film resistors are made by sputtering (a method of vacuum deposition) the resistive ...
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Neo Installation Instructions

... The C-Bus Neo Input Units are C-Bus2 devices. C-Bus2 is the latest generation of Clipsal C-Bus, which allows users to set relationships between Output Units and Input Units without a computer. Units may be programmed with the keys and buttons actually provided on the Units. The source of this new fu ...
Generating Plants Connected to the Medium-Voltage Network
Generating Plants Connected to the Medium-Voltage Network

... The present guideline summarizes the essential aspects which have to be taken into consideration for the connection of generating plants to the network operator’s medium-voltage network. Thus, they shall serve as a basis to the network operator and to the installer in the planning and decision-makin ...
Diapositiva 1 - Università degli Studi di Milano
Diapositiva 1 - Università degli Studi di Milano

... in its band model. For instance, diamond detectors are classical ionization chambers. The idea would fail if the material were a semiconductor like germanium or silicon or any other semiconductor with an energy gap of 1 or 2 eV. The reason is that under applied voltage the current flowing across the ...
MASTER SPECIFICATIONS Division 26
MASTER SPECIFICATIONS Division 26

Published  SFF Committee documentation may be purchased in hard copy or... SFF specifications are available at
Published SFF Committee documentation may be purchased in hard copy or... SFF specifications are available at

... The first use of these disk drives was in specific applications such as laptop portable computers and system integrators worked individually with vendors to develop the packaging. The result was wide diversity, and incompatibility. The problems faced by integrators, device suppliers, and component s ...
Model 2015/2015P THD Multimeter User’s Manual
Model 2015/2015P THD Multimeter User’s Manual

... The following safety precautions should be observed before using this product and any associated instrumentation. Although some instruments and accessories would normally be used with non-hazardous voltages, there are situations where hazardous conditions may be present. This product is intended for ...
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an-1265 application note

... The impulse response is symmetrical around the center pin, meaning the sinc filter gives equal weight to samples before and after the center pin (see Figure 9). Furthermore, the switching component is symmetrical around the point of average current. That is, if x equally spaced samples taken before ...
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T-950 - RENA Systems, Inc.

... Tab Drive Rollers – Advances the tabs/labels/stamps. Take-up Reel – The web waste is wound up here after the tab/label/stamp is applied. Take-up Reel Side Guide – Secures the web waste onto the Take-up Reel. Tab Reel – The tabs, labels or stamps are loaded on this assembly. Tab Reel Side Guide – Sec ...
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Electronic Valves

... enclosed controlled area with a state-of-the-art positive pressure HEPA filtration system • Both organic and inorganic contaminants such as particulate matter and Hydrocarbon oils are removed • No organic sealants, adhesives or lubricants are used in the manufacturing ...
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Instruction manual 850 Feeder Protection System
Instruction manual 850 Feeder Protection System

... © 2013 GE Multilin Incorporated. All rights reserved. GE Multilin 850 Feeder Protection System instruction manual for revision 1.1x. 850 Feeder Protection System, EnerVista, EnerVista Launchpad, and EnerVista 8 Series Setup are registered trademarks of GE Multilin Inc. The contents of this manual a ...
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SPM Synchronous Motor Protection and Control

... RELAY OUTPUTS ............................................................................................. 2-6 CURRENT TRANSFORMER INPUT ................................................................. 2-6 POWER FACTOR OUTPUT ........................................................................ ...
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01044

... provide consistent clearing of low currents, as well as reliable, high-speed interruption of high-magnitude short circuit currents. ...
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EntelliGuard TU Trip Units Installation, Operation, and Maintenance

GV3000/SE AC General Purpose (Voltz/Hertz) and Vector Duty
GV3000/SE AC General Purpose (Voltz/Hertz) and Vector Duty

... ATTENTION: DC bus capacitors retain hazardous voltages after input power has been disconnected. After disconnecting input power, wait five (5) minutes for the DC bus capacitors to discharge and then check the voltage with a voltmeter to ensure the DC bus capacitors are discharged before touching any ...
IA ISM-AN2 REV 1.0 0604.pmd - All
IA ISM-AN2 REV 1.0 0604.pmd - All

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... transistor based on a-Si technology. The memory works based on threshold voltage shifts, which result from electrons tunneling in and out of a charge trapping medium, controlled by the applied gate voltage. This device greatly extends the functionality of a-Si TFT based circuitry, by providing fully ...
Spectra/Chrom CF-1 Fraction Collector
Spectra/Chrom CF-1 Fraction Collector

... the Fraction Collector by a cable) on its mounting block at the center rear of the case top with the knurled thumbscrew provided. Do not remove the thin plastic film that protects the face of the sensor. The proper position for the rack sensor assembly is shown in Figure 2-1. ...
System Cabling for SIMATIC S7
System Cabling for SIMATIC S7

GEK-119651C - GE Grid Solutions
GEK-119651C - GE Grid Solutions

... © 2016 GE Multilin Incorporated. All rights reserved. GE Multilin 845 Transformer Protection System instruction manual for revision 1.7x. 845 Transformer Protection System, EnerVista, EnerVista Launchpad, and EnerVista 8 Series Setup software are registered trademarks of GE Multilin Inc. The conten ...
PSoC 4 Segment LCD (SegLCD)
PSoC 4 Segment LCD (SegLCD)

... changed at run-time. For large values of the input clock frequency, the required divider for the correct refresh rate generation could be greater than max value of the SUBFR_DIV divider (16 bit for HS mode) and could not be correctly applied by the component customizer. The value of the input freque ...
American National Standard Motors and Generators
American National Standard Motors and Generators

... The information in this publication was considered technically sound by the consensus of persons engaged in the development and approval of the document at the time it was developed. Consensus does not necessarily mean that there is unanimous agreement among every person participating in the develop ...
Analog Circuit Design on Digital CMOS
Analog Circuit Design on Digital CMOS

... – Tapered Stars – Signal Grounds and Refs – Improving PSR (theory) – Finger capacitors and ...
An Efficient High-Speed 9-bit Parity Checker Using 4-2
An Efficient High-Speed 9-bit Parity Checker Using 4-2

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Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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