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Rejection of Power Supply Noise in Wheatstone Bridges
Rejection of Power Supply Noise in Wheatstone Bridges

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Charging System Tests and Voltage Information

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2015-Modeling-of-an-automotive-LED-turn light-to-study-its-EMC-emissions-NE-CN67

... diode) are described with two equivalent Differential-Mode (DM) current sources whose values (obtained by measurement) represent the current flowing through the MOSFET and the diode, as shown in Figure 3. Similarly, the common-mode noise sources are represented using voltage sources for predicting h ...
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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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