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Self-generated and Externally Driven Current Oscillations in n-GaAs
Self-generated and Externally Driven Current Oscillations in n-GaAs

... Choosing a driving amplitude below the critical line, quasiperiodicity and mode locking can be observed. This could be measured in the orbits and Poincare sections for different parameter sets below the critical line. In the Poincare section the quasiperiodic motion manifests itself as a circle and ...
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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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