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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 …
IL300 Optical Audio Signal Separator Low-Frequency ...
https://320volt.com/en/il300-optical-audio-signal-separator-low-frequency/
IL300 optocoupler is suitable for both direct and transfer AC signal with a bandwidth of 200 kHz via a linearity of up to 0.01%. The function is stable in terms of temperature, while the temperature coefficient is only ± 0.05% / oC. The effective value of the insulation voltage, which lasts at IL300 trial period is 1s 5300V.
Suche analogen Optokoppler für Audio - Mikrocontroller.net
https://www.mikrocontroller.net/topic/57074
Suche analogen Optokoppler für Audio. Lesenswert? Hallo liebes Forum Ich bin auf der Suche nach einem analogen Optokoppler, der für Audio-Übertragung geignet ist. Ich möchte Audiosignale galvanisch getrennt ein- und auskoppeln und auf Trenntrafos verzichten. Gibte es etwas pasendes?
Optocoupler Circuits | Nuts & Volts Magazine
https://www.nutsvolts.com/magazine/article/optocoupler-circuits
An optocoupler can be used to interface analog signals from one circuit to another by setting up a standing current through the LED and then modulating this current with the analog signal. Figure 17 shows this technique used to make an audio-coupling circuit. FIGURE 17. …
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
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