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Audio level control with resistive optocouplers.
https://tortugaaudio.com/documents/docs/Silonex%20Optocouplers%20Application%20Notes.pdf
Audio level control with resistive optocouplers. Shunt attenuator In this configuration (Figure 2) a coupler with low RON, for example the NSL-32SR2, provides the best OFF attenuation for a given LED current. With Rs = 47 KΩ and ILED = 10 mA, 60 dB can be readily obtained. However, the time constant for increasing the
Audio level control with resistive optocouplers. - Crest Tech
http://www.cresttech.com.au/pdf/Silonex/levelcontrol.pdf
Audio level control with resistive optocouplers. Shunt attenuator In this configuration (Figure 2) a coupler with low RON, for example the NSL-32SR2, provides the best OFF attenuation for a given LED current. With Rs = 47 KΩ and ILED = 10 mA, 60 dB can be readily obtained. However, the time constant for increasing the
Audio Level Control With Resistive Optocoupler ...
https://www.scribd.com/document/147560816/Audio-Level-Control-With-Resistive-Optocoupler
Audio level control with resistive optocouplers. Introduction Controlling the level of an audio signal by means of an applied voltage or current has always been somewhat problematical but often desirable, particularly when it is necessary to control a circuit from a computer. This application note deals with voltage or current controlled attenuators using optocouplers, …
Compre ssor Applications for Resistive Optocouplers
https://www.advancedphotonix.com/wp-content/uploads/2016/08/Compressor-Applications-for-Resistive-OptoCouplers.pdf
Resistive Optocouplers An audio compressor serves to reduce (or compress) the dynamic range of the input signal. This keeps the level more constant, so that it will be clearly heard above background sounds, whether they be noise or accompanying musical sounds. An ideal compr essor introduces little distortion and noise when it is inactive,
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 …
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