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Gas Metal Arc Welding (GMAW)
Gas Metal Arc Welding (GMAW)

... • Uses continuous wire as an electrode & shielding gas in place of ________. • Uses Constant ___________ power source. • Past - less than 1% of filler metal sold. • Today - more than ___% of filler metals sold. • Faster travel speeds, smaller wire sizes, less expensive shielding gases, improved wel ...
MAX6323/MAX6324 µP Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset General Description
MAX6323/MAX6324 µP Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset General Description

... The MAX6323/MAX6324 µP supervisory circuits maintain system integrity by alerting the µP to fault conditions. In addition to a standard V CC monitor (for power-on reset, brownout detect, and power-down reset), the devices include a sophisticated watchdog timer that detects when the processor is runn ...
LM96000 Hardware Monitor with Integrated Fan Control (Rev. C)
LM96000 Hardware Monitor with Integrated Fan Control (Rev. C)

... Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, but do not ensure specific performance limits. For ensured specifications and test conditions, see the Electrical Characteristics. The ensur ...
Parallel UPS, three-phase, 40 to 720 kVA
Parallel UPS, three-phase, 40 to 720 kVA

Dynamic manipulation and separation of individual semiconducting
Dynamic manipulation and separation of individual semiconducting

... note that when multiple wires are trapped in a single potential, they are observed to repel each other and fill the active trapping pattern owing to dipole –dipole interactions. At present, many challenges remain before this approach becomes viable for large-scale nanowire integration. Manipulation ...
Capacitive current interruption with high voltage air
Capacitive current interruption with high voltage air

The Secret to Understanding Arc Flash Calculations
The Secret to Understanding Arc Flash Calculations

Lecture42 - University of California, Berkeley
Lecture42 - University of California, Berkeley

... Most of the circuit parameters are independent of variation of the transistor parameters, and depend only on resistance ratios. That is often a design goal, but in integrated circuits we will not want to use so many resistors. ...
protection in transformer - dvl ? panchal
protection in transformer - dvl ? panchal

... core. When the core is made of a nonmagnetic material, the transformer is called an air-core transformer. When the core is made of a ferromagnetic material with relatively high permeability, the transformer is referred to as an iron-core transformer. A highly permeable magnetic core ensures that (A) ...
Figure 5.5-3
Figure 5.5-3

... Chapter 5: Circuit Theorems ...
CEAG Central Battery System ZB-S
CEAG Central Battery System ZB-S

Freescale PowerPoint Template
Freescale PowerPoint Template

... Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006. ...
STM690T/S/R
STM690T/S/R

... as MR is low and for trec after MR returns high. This active-low input has an internal pull-up. It can be driven from a TTL or CMOS logic line, or shorted to ground with a switch. Leave open if unused. WDI (Watchdog Input). If WDI remains high or low for 1.6sec, the internal watchdog timer runs out ...
Technician License Course Chapter 3
Technician License Course Chapter 3

... current flow through the semiconductor. 2014 Technician License Course ...
VCNL4200 High Sensitivity Long Distance Proximity and
VCNL4200 High Sensitivity Long Distance Proximity and

... VCNL4200 applies a 16-bit high resolution ALS that provides the best ambient light sensing capability up to 0.003 lx/step which works well under a low transmittance lens design (dark lens). Please also note from Fig. 5, that the viewing angle of the ALS is very small, so accurate values will only be ...
JES 2013 - Electropolishing of Passive Materials in HF
JES 2013 - Electropolishing of Passive Materials in HF

... over a distance of 12 mm or using Atomic Force Microscopy at the DOE Thomas Jefferson National Accelerator Facility. The pulse reverse rectifiers used were from Dynatronix, Inc. Herein we report the results for electropolishing of niobium coupons using three pulse reverse waveforms as tabulated in T ...
Altivar 28 User`s Guide
Altivar 28 User`s Guide

Partial Discharge Theory and Technologies Related to
Partial Discharge Theory and Technologies Related to

... data interpretation. It is obvious from the above that most plant engineers will not have the time, or available energy, to pursue such a course of study. In an effort to promote a better understanding of partial discharge (PD), this paper attempts to provide simplified models and relate the charact ...
LP3470 - Texas Instruments
LP3470 - Texas Instruments

... more than 680 Ω ensures this. R1 must also be small enough to ensure a logic high while supplying all the leakage current through the Reset pin. A resistor value of less than 68 kΩ satisfies this condition. A typical pullup resistor value of 20 kΩ is sufficient in most applications. 7.3.4 Negative-G ...
Pathfinder Radar/Chartplotter Series Service Manual
Pathfinder Radar/Chartplotter Series Service Manual

... (1.0us maximum for 4kW unit) dependant upon the range setting and the corresponding IF/Video filter control lines. This pulse begins on the rising edge of a negative going trigger at a pulse repetition frequency (PRF) also defined by the range setting. The resulting pulse is output to the magnetron ...
WebRelay Users Manual
WebRelay Users Manual

Lesson 6
Lesson 6

... current flow through the semiconductor. 2014 Technician License Course ...
How to Prevent Temperature Measurement Errors
How to Prevent Temperature Measurement Errors

... The thermocouple is a thermoelectric device used to measure temperature. It is typically comprised of a pair of dissimilar metal wires, joined at one end (commonly referred to as the hot junction). At the open end of this wire pair (the cold junction or reference junction), a low level voltage can b ...
System clocks
System clocks

...  Allows the CPU and peripherals to operate from different clock sources;  The system clocks depend on the device in the MSP430 family:  MSP430x2xx: • The Basic Clock Module+ (BCM+); – One or two oscillators (depending on the device); – Capable of working with external crystals or resonators; – In ...
63-2607—22 - MSXX10, MSXX20 Series
63-2607—22 - MSXX10, MSXX20 Series

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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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