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What Is Optocoupler, Opto-coupler Working And Uses ...
https://circuitspedia.com/optocoupler-opto-coupler-opto-isolator-working-and-uses/#:~:text=In%20other%20words%2C%20an%20optocoupler%20is%20used%20to,is%20also%20called%20photocoupler%2C%20opto-isolator%20or%20optical%20isolator.
Audio Optocouplers - Learn About Electronics
https://www.learnabout-electronics.org/Semiconductors/opto_53.php
In audio systems isolation between inputs and higher voltage/current equipment is usually provided by audio transformers, however it is also possible to use specialised audio optocouplers such as the IL300, which uses an infra red LED to illuminate one photodiode as an output device and a second photodiode to provide feedback, ensuring improved linearity and wider frequency …
Optocoupler or Optoisolator for Audio | Forum for Electronics
https://www.edaboard.com/threads/optocoupler-or-optoisolator-for-audio.58629/
audio opto isolator Hi, We have two channel audio to be seperated from the final stage audio amplifier. Now becase of different products the final power ampifier keeps on changing and we come across gounding loop/ humming noise. I know that optocoupler could be used to eliminate this. Does any...
Optocoupler Operation - Learn About Electronics
https://www.learnabout-electronics.org/Semiconductors/opto_51.php
High speed digital optocouplers, usable at frequencies in the hundreds of kHz and those used for audio operation usually use photodiodes as their sensing element because although some extra amplification must be provided, either externally or within the optocoupler chip itself, this is offset by having fast rise and fall times for digital operation, and a more linear response, producing …
What Is Optocoupler, Opto-coupler Working And Uses ...
https://circuitspedia.com/optocoupler-opto-coupler-opto-isolator-working-and-uses/
In other words, an optocoupler is used to transfer electrical signals between two circuits optically. Here both circuit is electrically isolated from each other. Opto-coupler is also called photocoupler, opto-isolator or optical isolator. Optocoupler is mainly used to prevent an electrical collision by the isolate the circuit. This is also used to eliminate unwanted noises.
Audio-Optical Isolation Amp | audioXpress
https://audioxpress.com/article/Audio-Optical-Isolation-Amp
This circuit enables the full galvanic isolation of sound frequency signals with optical transmission in excellent quality, eliminating interference. When you connect audio components, interference may occur from various power and signal grounds. For safety reasons, screenings are interconnected through the protection ground and the protection wire.
What is an Optocoupler, Optoisolator, Photocoupler ...
https://www.electronics-notes.com/articles/electronic_components/transistor/what-is-a-photocoupler-optocoupler-optoisolator.php
Optocouplers can be described by a variety of different names including optoisolator, and photocoupler. Essentially an optocoupler or photocoupler is a semiconductor device that uses a short optical path or link to couple a signal from one electrical circuit to another whilst providing electrical isolation.
Optocoupler Circuits | Nuts & Volts Magazine
https://www.nutsvolts.com/magazine/article/optocoupler-circuits
Typical isolating optocoupler applications include low-voltage to high-voltage (or vice versa) signal coupling, interfacing of a computer’s output signals to external electronic circuitry or electric motors, etc., and interfacing of ground-referenced low-voltage circuitry to floating high-voltage circuitry driven directly from the main’s AC power lines, etc. Optocouplers can also be …
Audio Optocoupler? | All About Circuits
https://forum.allaboutcircuits.com/threads/audio-optocoupler.102434/
The OP stated it was for a Ham radio so it likely doesn't need to go over 5kHz for voice. But an opto with a phototransistor should be fine even for music audio if it is configured in a follower configuration, since the Miller capacitance that reduces the frequency response in a common-emitter configuration doesn't come into play.
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