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Vortex compact 3L
Vortex compact 3L

Fundamentals of Power Electronics
Fundamentals of Power Electronics

... • A sinewave can be expressed as v(t) = Vpksin(t) • Vpk = peak voltage •  = radian frequency (rad/sec) •  = 2f where f is in Hz • VRMS = Vpk/sqrt(2) = 120V for sinewave with peaks at ±170V • More on RMS later ...
operation manual
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... • Turn off the power switch and then disconnect all cables when relocating the product. • Use two or more persons when relocating the product which weights more than 20 kg. The weight of the products can be found on the rear panel of the product and/or in this operation manual. • Use extra precautio ...
DS1831C/D/E 3.3V/2.5V Multisupply MicroMonitor FEATURES PIN ASSIGNMENT
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ZLLS2000 Features Mechanical Data
ZLLS2000 Features Mechanical Data

... written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instruct ...
DIPLOMAT LOGIC Manual
DIPLOMAT LOGIC Manual

... off 30 seconds or more before the corn finishes popping, the thermostat is set too low and is in need of adjustment. See instructions below for Thermostat Adjustment. If set too high (over 500°F 260oC), the thermostat can cause a serious fire hazard. b. Repair part thermostats shipped from the facto ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)

TV-PUF - Cryptology ePrint Archive
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... Broadly classifying, there are two types of PUFs: i. Delay based PUFs (e.g., Arbiter PUF, Ring oscillator PUF, Glitch PUF and Schmitt trigger PUF) ii. Memory based PUFs (e.g.,SRAM based PUF, butterfly PUF, Latch PUF). A technique for IC identification based on the unique resistance values in its pow ...
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... Power amplifiers are usually heavier and generate more heat than other components. To avoid damage to the A 52 or other equipment and to reduce risk of fire, you must follow these guidelines: ...
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Evaluation Board User Guide UG-073

... and the clock distribution chip (CVDDX). These regulators can be set up to regulate the primary voltage to 3.3 V or 1.8 V, depending on the setting of the 2-position jumpers: JP22, JP26, JP29, JP88, and JP89 (see Figure 2). Alternatively, external power supplies can supply all the on-board component ...
M04D-2 Optimization of  SiGe HBT VCOs for Wireless Applications
M04D-2 Optimization of SiGe HBT VCOs for Wireless Applications

... In SiGe HBT differential LC-tuned VCOs the excess noise factor F is dominated by the noise from the tail current source near even harmonics of the carrier frequency. In order to improve phase noise this contribution has to be minimized. An efficient way of doing this is to use a noise filtering tech ...
www.cinemills.com
www.cinemills.com

... (the same as a tungsten lamp). If the input voltage dips below the minimum rated value the ballast will switch into an under-voltage mode -the lamp keeps running, but switches to a low power until the voltage is restored. In the case of severe under-voltage (less than about 65V) the ballast will shu ...
Atmel ATA6662C LIN Transceiver Features DATASHEET
Atmel ATA6662C LIN Transceiver Features DATASHEET

FZT655 Features Mechanical Data
FZT655 Features Mechanical Data

... written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instruct ...
AH5795  SINGLE PHASE HALL EFFECT LATCH SMART FAN MOTOR CONTROLLER
AH5795 SINGLE PHASE HALL EFFECT LATCH SMART FAN MOTOR CONTROLLER

... Frequency of PWM speed control signal can be between 15Hz to 50kHz. Recommended typical PWM signal frequency is 25kHz to keep switching frequency away from audible band. If PWM signal level at PWM pin stays low for longer than 65ms typical, the outputs are disabled. Depending on the motor design and ...
Optimizing gas generator efficiency in a forward Kelly, Ryan L.
Optimizing gas generator efficiency in a forward Kelly, Ryan L.

... opportunity to reduce a FOB’s overall fuel consumption and, in turn, save money while reducing risk to American troops. The efficiency of a diesel generator is related to its electrical power output, as shown in Figure 1 for an example 10 kW tactical quiet generator (TQG). The objective of this thes ...
cse477-2metrics
cse477-2metrics

Fundamentals of PolySwitch Overcurrent and
Fundamentals of PolySwitch Overcurrent and

... which are in electrical contact with the device. For example, a surfacemount device originally placed on a 0.030 inchwide, 1 ounce copper trace is instead connected to a 0.060 inch, 1 ounce copper trace, resulting in an increase in the heat transfer. This results in larger hold current, slower time- ...
High Capacitance Stacked Multi-Layer Ceramic Capacitors
High Capacitance Stacked Multi-Layer Ceramic Capacitors

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Aluminum Electrolytic Capacitors Conductive Polymer

capacitors for rfi suppression of the ac line
capacitors for rfi suppression of the ac line

... Class X2 The most common class of X capacitor as it covers applications using line voltages from 150 to 250VAC (nominal) which are plugged into ordinary wall outlets. In Europe this covers a lot of ground: Computers, hair dryers, fax machines, hand power tools and so on. These capacitors are impuls ...
User Manuals - Fieldpiece Instruments
User Manuals - Fieldpiece Instruments

... Do not use during electrical storms. Do not apply more than rated voltages between input and ground. Isolate capacitors from system and discharge them safely before testing. Temperature switch prevents leaving thermocouple plugged in while measuring voltage. When measuring high frequency AC current, ...
MT-DB-X4                        User Guide  November 5, 2014
MT-DB-X4                        User Guide November 5, 2014

... eliminating the voltage drop across the diode, which can be useful for battery applications.  Note that when the diode is shorted, reverse­polarity protection is disabled, and J6 should  be disconnected to prevent Vbus current from flowing into Vin. Vin voltage can be  measured on pin B3 by connecti ...
< 1 ... 150 151 152 153 154 155 156 157 158 ... 2014 >

Alternating current



Alternating current (AC), is an electric current in which the flow of electric charge periodically reverses direction, whereas in direct current (DC, also dc), the flow of electric charge is only in one direction. The abbreviations AC and DC are often used to mean simply alternating and direct, as when they modify current or voltage.AC is the form in which electric power is delivered to businesses and residences. The usual waveform of alternating current in most electric power circuits is a sine wave. In certain applications, different waveforms are used, such as triangular or square waves. Audio and radio signals carried on electrical wires are also examples of alternating current. These types of alternating current carry information encoded (or modulated) onto the AC signal, such as sound (audio) or images (video).
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