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Making sense of electrical signals - Techni-Tool
Making sense of electrical signals - Techni-Tool

... waveform, along with the typical sources of such anomalies. Transients or glitches. When waveforms are derived from active devices such as transistors or switches, transients or other anomalies can result from timing errors, propagation delays, bad contacts or other phenomena. ...
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... under the poles, where the flux density B = 1.1 T. The armature diameter is 26 cm and its length is 18 cm. The conductor current is 12 A. Determine: a) The total force created by the conductor. b) The torque developed. 9. The armature of a 120V dc motor has a resistance of 1.5 Ω and takes 4A when op ...
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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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