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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...
Audio Optocoupler? - All About Circuits
https://forum.allaboutcircuits.com/threads/audio-optocoupler.102434/
Optocouplers can be a bit slow - maybe even for audio frequencies, so worth checking that detail on the data sheet before going ahead. Photo diode couplers are faster than photo transistor ones. If all you need is speech bandwidth, you shouldn't have much trouble. AnalogKid Joined Aug 1, 2013 9,484 Oct 16, 2014 #11
Optokoppler für Audio-Signale - Mikrocontroller.net
https://www.mikrocontroller.net/topic/367092
Nix Optokoppler. Audio-Übertrager (vulgo: ein 1:1 Trafo für Audio). Die einfachen Teile liefern zwar keine Hifi-Qualität, aber die hat man bei Kurzwelle ja ohenehin nicht. Gibts z.B. im Auto-Audiobereich.
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 ...
Audio: Optokoppler galvanische Trennung - narkive
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
Optocoupler Circuits | Nuts & Volts Magazine
https://www.nutsvolts.com/magazine/article/optocoupler-circuits
An optocoupler type with a typical CTR value of 60% may, for example, in fact have a true value in the range of 30% to 90% in an individual device. OTHER PARAMETERS Other important optocoupler parameters include the following. ISOLATION VOLTAGE.
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