[Laser] OPT101 and audio amplifier

[Steve J. Noll]

Should work fine. I would want a blocking cap between the OPT101 and the 
audio amp as the OPT101 will have a large DC output from ambient light.
Going further you could insert a filter to reduce the 60 Hz and 120 Hz 
interference.

73, Steve WA6EJO


On 8/12/2016 12:06 PM, Mike Long wrote:
> I'll have a table at a local amateur radio event coming up on 8/20 here in
> Michigan where I plan to demo free space optical comms.  I've already got a
> K3PGP receiver built plus one of the power supplies/modulators built.  I'd
> like to also put together some simpler setups as well (i.e. laser/LED
> pointed through a fan).
>
> I have some OPT101 chips laying around and was thinking of using one of
> them in the demo.  So my question is, is it possible to just use the output
> of the OPT101 to drive an audio amp to create a simple receiver?
>
> Thanks,
> Mike
> W6RP
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