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Liebert Distribution Monitoring (LDM)
Liebert Distribution Monitoring (LDM)

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Short-Circuit/Coordination Study and Arc Flash Hazard Study

5403590-A Power Supply Manual.indd
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... to the alarm state and supply power to the associated notification appliances until the trigger is removed. Each activated NAC will also power the L.E.D. associated with it, the L.E.D. will follow the steady or pulsing state of the NAC. The alarm-activated outputs are reset through the operation of ...
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AC Voltage Out of Range

... The inverter reports that DC input voltage from the PV module is too low. This is a normal condition that occurs in the morning and in the evening, but during the day may results from any of the following conditions: • This message can appear during extended periods of low solar irradiance (for exa ...
Ultra-Low Noise and Highly Linear Two-Stage Low Noise Amplifier (LNA)
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... An ultra-low noise two-stage LNA design for cellular basestations using CMOS is proposed in this thesis work. This thesis is divided into three parts. First, a literature survey which intends to bring an idea on the types of LNAs available and their respective outcomes in performances, thereby analy ...
19. Circuit Breakers
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... uring the operation of power system, it is often desirable and necessary to switch on or off the various circuits (e.g., transmission lines, distributors, generating plants etc.) under both normal and abnormal conditions. In earlier days, this function used to be performed by a switch and a fuse pla ...
The Ground Conundrum
The Ground Conundrum

...  We will only concern ourselves with ground for now. Reduce Power is a good research and development topic. The Ground Conundrum ...
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Virtex-4 PCB 设计指南

... Printed Circuit Boards (PCBs) are electrical systems, having electrical properties just as complicated as the discrete components and devices mounted to them. The PCB designer has complete control over many aspects of the PCB. At the same time, current technology places constraints and limits on the ...
Direct torque control of doubly fed induction machine
Direct torque control of doubly fed induction machine

... this configuration is restricted speed operating range which is limited to 20–25% around the nominal speed. A new high-power inverter drive system has been presented in [3]. The authors used a DFIM configuration supplied by Pulse Width Modulation (PWM) inverters with current controllers. The advanta ...
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System Operations Training Manual

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UM10301 User Manual for NXP Real Time Clocks PCF85x3, PCA8565

... In BCD every digit of the decimal system is represented by a 4-bit group. For example: 15710 = 0001 0101 0111BCD This is not the same as binary representation. It is clear that BCD is not the most efficient way of coding since every 4-bit group (nibble) could represent numbers 0 through 15, but in B ...
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MAX16072/MAX16073/MAX16074

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The Breadboard - Menifee County Schools
The Breadboard - Menifee County Schools

... Breadboard: Guidelines and Tips • Place IC chips in the middle of the breadboard. • Work from a schematic and check off the component and wires as they are implemented on the breadboard. • Cut component leads to manageable lengths. Component leads that are too long may touch and short each other ou ...
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... The waveguide dispersion is due to the bound structure of the optical fiber. While analyzing waveguide dispersion we assume that the material dispersion is absent, that is the refractive indices of the core and the cladding are independent of wavelength. For analyzing waveguide dispersion we need re ...
The Breadboard
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... Breadboard: Guidelines and Tips • Place IC chips in the middle of the breadboard. • Work from a schematic and check off the component and wires as they are implemented on the breadboard. • Cut component leads to manageable lengths. Component leads that are too long may touch and short each other ou ...
LT1996 - Precision, 100µA Gain Selectable Amplifier
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... resistors, you can easily configure it into several different classical gain circuits without adding external components. The several pages of simple circuits in this data sheet demonstrate just how easy the LT1996 is to use. It can be configured into difference amplifiers, as well as into inverting ...
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... and (ii) uncooled microbolometer based thermal detectors useful for short range (< 1Km). They have an advantage of drastic reduction in size, power requirement and cost. These are finding extensive applications for shoulder fired missile seeker and thermal weapon sight. As a result of continuous res ...
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a treatment of differential signaling and its design

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Heavy-ion-induced breakdown in ultra-thin gate
Heavy-ion-induced breakdown in ultra-thin gate

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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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