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SDA-4000 数据资料DataSheet下载
SDA-4000 数据资料DataSheet下载

... 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or [email protected]. ...
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R210-90-6

... techniques, and the use of switches, bushings, and other components can all have an effect on the power factor reading, as well as on overall transformer performance. ...
High-voltage reinforced isolation: Definitions
High-voltage reinforced isolation: Definitions

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... Recently, low-voltage low-power integrated circuits are essential portable electronic systems. Tlie portable systems especially personal communication systems will require more and more complicated signal processing. In fact, power dissipation is becoming an important constraint in a design [ I ] [2 ...
SCIENCE 10 – Power Supply Conduction Insulation
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... removed leaving only the electrical circuit printed on the board. ...
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LEP 4.4.04 Coil in the AC circuit
LEP 4.4.04 Coil in the AC circuit

... mean square) values and take no account of phase relationships, it is prefereable to use an oscilloscope. The experiment will be carried out with sinusoidal voltages, so that to obtain rms values, the peak-to-peak values−measured on the oscilloscope (Ur-r) are to be divided by 2√2. In accordance wit ...
Experience with optical partial discharge detection M. M ,
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... partial discharges are criterions for the evaluation of the insulation quality of the electrical equipment. On one side, partial discharges only have a small short time of influence on the electrical firmness of electrical resources. On the other side, a long time of influence shows a destructive ef ...
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Chapter 22 PowerPoint

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... A cascaded multilevel inverter is made up of from series connected single full bridge inverter, each with their own isolated dc bus. This multilevel inverter can generate almost sinusoidal waveform voltage from several separate dc sources, which may be obtained from solar cells, fuel cells ,batterie ...
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... impedance and low input bias current when amplifying a signal from a source with a large equivalent resistance. Commercial amplifiers designed for such applications typically have a 100 MΩ input impedance. This large input impedance will minimize attenuation of the input signal and reduce the Johnso ...
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150 WATT AMPLIFIER CIRCUIT - IDC

... can deliver 60 Watt RMS output power per channel to 8 Ohms speakers. Advantages of using this IC are low harmonic distortion compared to other IC amplifiers of similar category and a power ...
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TPPM0301 数据资料 dataSheet 下载

... Alternatively, if no dedicated copper plane is incorporated for this device and the PCB has a multilayer construction, the ground terminals (5 to 8) could be electrically connected to the ground plane of the board. This will provide a means for heat spreading through the copper plane associated with ...
< 1 ... 2003 2004 2005 2006 2007 2008 2009 2010 2011 ... 2982 >

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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