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Audio Optocouplers - Learn About Electronics
https://www.learnabout-electronics.org/Semiconductors/opto_53.php
Basic Audio Optocoupler. The circuit shown in Fig. 5.3.4, adapted from a design in Newnes Electronic Circuits Pocket Book by Ray Marston (ISBN 10:1-4832-9192-8) uses the 4N25 connected as a phototransistor to pass audio signals whilst …
audio optocoupler diy, make your vactrol, a voltage ...
https://www.youtube.com/watch?v=Je5FS1A7Ys0
In this episode we're making a vactrol using an LED and two photoresistors, so with only one control voltage we can control two virtual potentiometers. I'm u...
Optokoppler - YouTube
https://www.youtube.com/watch?v=OUd7USKuT7A
Vielen Dank für Ihre Unterstützung:https://amzn.to/2UKHXysOptokopplerEin Optokoppler ist ein Bauelement der Optoelektronik und dient zur Übertragung eines Si...
Audio: Optokoppler galvanische Trennung
https://maus.technik.elektronik.narkive.com/Ybj3SZNG/audio-optokoppler-galvanische-trennung
Audio: Optokoppler galvanische Trennung (zu alt für eine Antwort) Stefan 2005-05-25 08:46:47 UTC. Permalink. Hallo zusammen, ich benötige hin und wieder kleinere Audioschaltungen (Symmetrieverstärker, Kanalmischer, Vorverstärker, etc.) und baue die meist selbst auf Op-Amp-Basis. Ab und zu ist es nötig, die Audioquellen
Audio Optocoupler? | All About Circuits
https://forum.allaboutcircuits.com/threads/audio-optocoupler.102434/
crutschow thanks for the diagram and the info I have somewhat of an idea of what you are saying but not totally sure. JDT I actually considered that as modem transformers are what I used in my current interface. However they are to large. To give an idea the case I am using is roughly half the length of an Altoids tin so once I squeeze in the usb ttl board, the usb audio …
Optocoupler Circuits | Nuts & Volts Magazine
https://www.nutsvolts.com/magazine/article/optocoupler-circuits
The audio output signal appears across RV1 and is DC-decoupled via C2. TRIAC INTERFACING. An ideal application for the optocoupler is that of interfacing the output of a low-voltage control circuit (possible with one side of its power supply grounded) to the input of a triac power-control circuit that is driven from the AC power lines and which ...
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 one knows any good one for audio (analog). I am ...
What is an Optocoupler, Optoisolator ... - Electronics Notes
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.
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