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Definition of "Optical Coupler" |
A coupler composed of an LED [light source] and a photodiode [light detector] contained in a light-conducting medium, all in a single package. Suitable for frequencies in the low-megahertz range. [Manufacturers of Opto-Coupler ICs] / 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. / Carrier detect is a control signal between a modem and a computer that indicates that the modem detects a live carrier that can be used for sending and receiving information. |
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