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ArbNet - EMPOS
ArbNet - EMPOS

... By the installation of controllers / extension cards the computer disposes of other, from the outside accessible interfaces, how GPIB Coach (IEEE 488) RS 232 (serial port) PCMCIA / PC Card - slot Ethernet (IEEE 802.3) or also special interfaces like analogous exits analogous entrances digital entran ...
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buffer issue resolution document (bird)

A Microcontroller-Based Precision Xenon Strobe System
A Microcontroller-Based Precision Xenon Strobe System

... There are many applications where a precisely-controlled high-intensity xenon strobe system comes in very handy. In photography, a precision strobe will let you accurately capture motion and velocity, and realize effective remote control for "slave" strobe systems (using an IR or RF data link). Stro ...
flextec™450 - Red-D
flextec™450 - Red-D

... The business of The Lincoln Electric Company is manufacturing and selling high quality welding equipment, consumables, and cutting equipment. Our challenge is to meet the needs of our customers and to exceed their expectations. On occasion, purchasers may ask Lincoln Electric for advice or informati ...
PDF
PDF

DATA  SHEET BF820; BF822 NPN high-voltage transistors
DATA SHEET BF820; BF822 NPN high-voltage transistors

... Suitability for use ⎯ NXP Semiconductors products are not designed, authorized or warranted to be suitable for use in medical, military, aircraft, space or life support equipment, nor in applications where failure or malfunction of an NXP Semiconductors product can reasonably be expected to result i ...
Коды ошибок кондиционеров Fujisu инвертор В режим
Коды ошибок кондиционеров Fujisu инвертор В режим

9. Charging Systems
9. Charging Systems

... speed is, you can determine this with the pulley ratio. Measure the diameter of the crank shaft or drive pulley and the alternator pulley. Divide the crank shaft pulley diameter by the alternator pulley diameter. This figure would be the engine-to-alternator RPM ratio. A normal ratio would be 2.5 to ...
Bike Battery Charging Problems - Troubleshooting
Bike Battery Charging Problems - Troubleshooting

DATA  SHEET BGY135; BGY136 VHF power amplifier modules 1996 May 08
DATA SHEET BGY135; BGY136 VHF power amplifier modules 1996 May 08

... more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods ...
POL- SiP - Renesas e-Learning
POL- SiP - Renesas e-Learning

1SC0450V Target Description and Application Manual
1SC0450V Target Description and Application Manual

IEC specifications for LV assembly switchboards
IEC specifications for LV assembly switchboards

... These voltage stresses and the relating rated characteristics will be used to design and verify insulation for basic and fault insulation (see clause 7 of IEC 61439-1&2), as well as functional insulation, between active conductors, necessary for proper functioning of the Assembly. Creepage distances ...
Low Power Design with CoolRunner-II CPLDs Summary
Low Power Design with CoolRunner-II CPLDs Summary

... Weak Pull-up and Bus Hold All CoolRunner-II CPLDs include I/O termination options to reduce power consumption of the I/O due to externally 3-stated busses. The I/O termination circuitry can be configured in three ways: weak pull-up, bus hold, and no termination. Pull-up and bus hold are selected on ...
AN57 - Video Circuit Collection
AN57 - Video Circuit Collection

SSC Sensor Replacement Board for the SSC Evaluation Kit
SSC Sensor Replacement Board for the SSC Evaluation Kit

... DISCLAIMER Integrated Device Technology, Inc. (IDT) reserves the right to modify the products and/or specifications described herein at any time, without notice, at IDT's sole discretion. Performance specifications and operating parameters of the described products are determined in an independent s ...
PSIM User Manual
PSIM User Manual

... Both individual resistor, inductor, capacitor branches and lumped RLC branches are provided in PSIM. Inductor currents and capacitor voltages can be set as initial conditions. To facilitate the setup of three-phase circuits, symmetrical three-phase RLC branches, “R3”, “RL3”, “RC3”, “RLC3”, are provi ...
MAX4927 1000 Base-T, ±15kV ESD Protection LAN Switch General Description Features
MAX4927 1000 Base-T, ±15kV ESD Protection LAN Switch General Description Features

... The MAX4927 switch provides an extremely low capacitance and on-resistance to meet Ethernet insertion and return-loss specifications. The MAX4927 features three built-in LED switches. The MAX4927 incorporates a unique architecture design utilizing only n-channel switches within the main Ethernet swi ...
A fifty kilocycle per second triangular wave generator.
A fifty kilocycle per second triangular wave generator.

... conductor active elements throughout is given. A mathematical analysis of the idealized RLC integrator circuit is provided. ...
Electrical Circuits
Electrical Circuits

InP/InGaAs SHBTs with 75 nm collector and f/sub T/ >500
InP/InGaAs SHBTs with 75 nm collector and f/sub T/ >500

... Introduction: Efforts to improve fT are focusing on the reduction of electron transit time by vertically scaling the base and collector thicknesses at the cost of increasing base-collector parasitic capacitance [1–6]. An estimated 75% of the total delay time comes from the electron transit time, the ...
SLP 05 - Cary Audio
SLP 05 - Cary Audio

... indication even in low light. All source inputs and the audio mute function are switched through hermetically sealed, gold plated contact relays. Listening level (volume) is controlled with a high-precision Alps potentiometer that is mechanically driven by command from the infrared remote control. A ...
04_FINAL_AVR_2009 (PPTmin)
04_FINAL_AVR_2009 (PPTmin)

... - Voltage regulators turn the 9 Volts provided by the battery into the 5 Volt and 3.3 Volt power supplies required by the digital components. ...
Smart Solution for Railway Signalling Infrastructure
Smart Solution for Railway Signalling Infrastructure

Chapter 3 IGBT Module Selection and Application
Chapter 3 IGBT Module Selection and Application

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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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