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FAN6921ML Integrated Critical Mode PFC/Quasi-Resonant Current Mode PWM Controller
FAN6921ML Integrated Critical Mode PFC/Quasi-Resonant Current Mode PWM Controller

Operating and Service Instructions - AT10.1 Group II
Operating and Service Instructions - AT10.1 Group II

... 1. Before using the AT10.1, read all instructions and cautionary markings on: A) this equipment, B) battery, and C) any other equipment to be used in conjunction with the AT10.1. 2. This manual contains important safety and operating instructions, and should therefore be filed for easy access. 3. Re ...
the electromagnetic pulse and its effects
the electromagnetic pulse and its effects

... damage, is increased if it is connected (or coupled) to a large collector. Conversely, the danger is diminished if the collector is small. Thus, although transistorized circuits are generally sensitive to the EMP, portable (battery operated) radios with very short "whip" or ferrite core antennas are ...
Microstrip, Stripline, and CPW Design
Microstrip, Stripline, and CPW Design

Mechatronics Integrated Technologies (MIT) 1, 2, 3, and 4
Mechatronics Integrated Technologies (MIT) 1, 2, 3, and 4

... Read and identify markings on conductors and cables. Use the tables in the NEC to determine the ampacity of a conductor. State the purpose of stranded wire. State the purpose of compressed conductors. Describe the different materials from which conductors are made. Describe the different types of co ...
ECE2110 Prelabs I-V - Clemson University
ECE2110 Prelabs I-V - Clemson University

... • Electrical drift sometimes causes shifts in the ZERO point indicated by measurement instruments. • To eliminate the shift, the NI-ELVIS provides a NULL OFFSET function that subtracts the value indicated at the instant NULL OFFSET is turned on. ...
DCS 3kW Series DC Power Supplies
DCS 3kW Series DC Power Supplies

Putting a Balun and a Tuner Together
Putting a Balun and a Tuner Together

... the transmitter sees, but it does nothing else. In any case, assume that the tuner is always adjusted so the transmitter sees a 50 ohm load. Now replace the output coax jumper with a 1:1 current balun at the output of the tuner. W2DU’s model tells us to replace the inner conductor with a generator a ...
Protection Policy
Protection Policy

... days. A connection diagram of your system will be required as part of the claim kit. Be sure to note its configuration before disconnecting your equipment. 4. DETERMINATION OF FAILURE: Panamax will evaluate the protector for surge damage. The Panamax protector must show signs of surge damage or must ...
Liebert Series 610 UPS Installation Manual - 500-750kVA, 60Hz, Three Phase Multi-Module
Liebert Series 610 UPS Installation Manual - 500-750kVA, 60Hz, Three Phase Multi-Module

... Multi-Module 500 to 750kVA UPS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 UPS Multi-Module Unit block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 System Control Cabinets . . . . . . ...
CH 3 Circuits
CH 3 Circuits

practical design techniques for sensor signal conditioning
practical design techniques for sensor signal conditioning

... The full-scale outputs of most sensors (passive or active) are relatively small voltages, currents, or resistance changes, and therefore their outputs must be properly conditioned before further analog or digital processing can occur. Because of this, an entire class of circuits have evolved, genera ...
SWR - STARGUN Antenna
SWR - STARGUN Antenna

001
001

Chapter 1: The Op Amp
Chapter 1: The Op Amp

Virtex-4 PCB 设计指南
Virtex-4 PCB 设计指南

... known as High Density Interconnect or HDI) with a laser by ablating the substrate material and deforming the conductive plating, in the process forming a conductive connection. These types of Microvias formed cannot penetrate more than one or two layers, however, they can be stacked or stair-stepped ...
DESIGN OF BALUNS AND LOW NOISE AMPLIFIERS IN
DESIGN OF BALUNS AND LOW NOISE AMPLIFIERS IN

... exists just for the thermal and mechanical protection of the ICs, SOP provides for an increase in the functionality of the IC package by supporting multiple chips and embedded passives. However, integration at the package level also comes with its set of hurdles, with significant research required i ...
Overcurrent Protection / 7SJ62
Overcurrent Protection / 7SJ62

... For isolated-neutral and compensated networks, the direction of power flow in the zero sequence is calculated from the zerosequence current I0 and zero-sequence voltage V0. For networks with an isolated neutral, the reactive current component is evaluated; for compensated networks, the active current ...
TM 11–6625–2781–14–6
TM 11–6625–2781–14–6

... and to keep the instrument safe. Service and adjustments should be performed only by qualified service personnel. 1-16. Adjustment or repair of the opened instrument with the ac power connected should be avoided as much as possible and, when inevitable, should be performed only by a skilled person w ...
4.5. Current Mode Instrumentation Amplifiers
4.5. Current Mode Instrumentation Amplifiers

The Electricity at Work Regulations 1989. Guidance on
The Electricity at Work Regulations 1989. Guidance on

... energy sources in that system. In the case of transformers, even though there may be galvanic separation between the various windings of the transformers, where the energy is transmitted through these from one part of the electrical system to another, the transformer and all of its windings are part ...
TS®90 - CableOrganizer.com
TS®90 - CableOrganizer.com

... and unused products to end-user customers only but have no authority to extend a greater or different warranty on behalf of Fluke Networks. Warranty support is available only if product is purchased through a Fluke Networks authorized sales outlet or Buyer has paid the applicable international price ...
DCS-E 3kW Series DC Power Supplies
DCS-E 3kW Series DC Power Supplies

S280-79-10
S280-79-10

... as the interface between the voltage sensors and the CPU module. The RIF is designed to interface with the following reclosers: WE/WVE group, NOVA group, VSA/VSO group, and KFME/KFVME (50Hz) group. The recloser connector includes three current-transformer inputs, Open and Closed status sensing, and ...
HANDBOOK OF OPERATIONAL AMPLIFIER APPLICATIONS Application Report
HANDBOOK OF OPERATIONAL AMPLIFIER APPLICATIONS Application Report

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Ground loop (electricity)

In an electrical system, a ground loop is an equipment and wiring configuration which results in excessive unwanted current in a conductor connecting two points that are supposed to be at the same electric potential, often ground, but are actually at different potentials.Ground loops are a major cause of noise, hum, and interference in audio, video, and computer systems. They do not in themselves create an electric shock hazard, the inappropriate connections merely create a not necessarily very good instance of Electrical_bonding, which is explicitly required by safety regulations in certain circumstances. In any case the voltage difference between the ground terminals of each item of equipment is small. A severe risk of electric shock occurs when equipment grounds are improperly removed in an attempt to cure the problems thought to be caused by ground loops.
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