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  2. Opto-isolator - Wikipedia

    en.wikipedia.org/wiki/Opto-isolator

    Schematic diagram of an opto-isolator showing source of light (LED) on the left, dielectric barrier in the center, and sensor (phototransistor) on the right [note 1]. An opto-isolator (also called an optocoupler, photocoupler, or optical isolator) is an electronic component that transfers electrical signals between two isolated circuits by using light. [1]

  3. Resistive opto-isolator - Wikipedia

    en.wikipedia.org/wiki/Resistive_opto-isolator

    Opto-isolator VTL2C1 with LED input and photoresistor output. Resistive opto-isolator (RO), also called photoresistive opto-isolator, vactrol (after a genericized trademark introduced by Vactec, Inc. in the 1960s), analog opto-isolator [notes 1] or lamp-coupled photocell, [1] is an optoelectronic device consisting of a source and detector of light, which are optically coupled and electrically ...

  4. Galvanic isolation - Wikipedia

    en.wikipedia.org/wiki/Galvanic_isolation

    An opto-isolator is a very popular method of isolation in digital circuits. Cross-section of dual in-line package opto-isolators. Relative sizes of LED (red) and sensor (green) are exaggerated. Everlight EL817 phototransistor opto-isolator in DIP-4 package Halo TG110-S050N2RL 10/100BASE-TX Ethernet pulse transformer in SO-16 package.

  5. The FOD8160 high-speed logic gate optocoupler in the new wide body 5-Pin SOP is part of Fairchild's high performance optocoupler family and offers superior switching performance, low power ...

  6. Optical isolator - Wikipedia

    en.wikipedia.org/wiki/Optical_isolator

    Figure 1: The optical circuit symbol for an isolator Faraday effect. The main component of the optical isolator is the Faraday rotator. The magnetic field, , applied to the Faraday rotator causes a rotation in the polarization of the light due to the Faraday effect. The angle of rotation, , is given by,

  7. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    For example, the letter R is a reference prefix for the resistors of an assembly, C for capacitors, K for relays. ... Opto-isolator: ... XA for printed circuit ...

  8. File:Optoisolator Pinout.svg - Wikipedia

    en.wikipedia.org/wiki/File:Optoisolator_Pinout.svg

    A schematic pinout of an extremely simple opto-isolator device. Often diode and transistor protection and/or amplification will be added. The dashed line in the centre represents to isolation barrer, over which no electrical contact can be permitted.

  9. This Is Costco's Secret Weapon Against Inflation - AOL

    www.aol.com/costcos-secret-weapon-against...

    In the current economic environment, many retailers are struggling. While unemployment remains low and growth in gross domestic product (GDP) has been solid, the past few years of high inflation ...

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