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Audio Optocoupler

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4 Threads found on edaboard.com: Audio Optocoupler
Hi all, I need an audio limiter/compressor using a FET optocoupler like H11F1M or H11F2M or even H11F3M. This is to be used as a ham mic audio processor. Regards, Fernando
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). (...)
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). (...)
Hi, You have 2 options: 1. as Moss said use 2 identical optocouplers (in same package) 2. use FM modulation for audio isolation. The common way is to use the 1'st option. If you're searching on HP web site you'll find a good essay regarding optocoupler compensation for nonlinear amplitude response. Hope this help, //a