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Electro-Optic Modulators
Electro-Optic Modulators

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TPE2 (D), TPE3 (D)

... guide it towards GND in the internal circuitry. ...
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2.5 Electrical Power 2.5.1 Class 1E Emergency Power Supply System
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... non-safety-related plant loads during normal and abnormal operations. EPSS divisions are independent and physically separated during normal bus alignments. An alternate feed is provided between EPSS divisions 1 and 2, and between divisions 3 and 4 to provide the normal and standby source of power to ...
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... Inputs can be driven from either 3.3 V or 5 V devices. In 3-state operation, outputs can handle 5 V. These features allow the use of these devices in a mixed 3.3 V and 5 V environment. Bus hold on data inputs eliminates the need for external pull-up resistors to hold unused or floating data inputs a ...
Interruption of small inductive currents in A.C. circuits
Interruption of small inductive currents in A.C. circuits

... during all the years they exist: with help of mechanica! scparabie conductors a firm conneetion with low contact impcdanee in closed position and an infinitely high resistance in open position is obtained. During the transition time the conductivity is maintained by an electrical gas-discharge, whic ...
VS-16TTS..FPPbF Series, VS-16TTS...FP-M3 Series
VS-16TTS..FPPbF Series, VS-16TTS...FP-M3 Series

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... NW. Interestingly, we found that they have high response to carbon monoxide. Figure 4(a) shows the gas response against the working temperature of the sensors made of CuO NW. Obviously, the relationship between the gas response and the operating temperature presented a trend of ‘increase– maximum–de ...
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... The battery voltage is checked each time the Info Center 2 is switched On and will display a battery low warning screen if the battery is “running low”. The low voltage screen will have to be acknowledged by pressing the OK button before proceeding to the main menu options. Figure 14 and Figure 7 di ...
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... The AMPTEC 630ES measures DC resistance with a 4 Wire Kelvin technique. Two of the wires Current high and Current Low pass through the resistance under test in a current loop - as part of a failsafe constant current source with only 5 mA in the current loop. It doesn't matter if the test leads are l ...
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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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