[Laser] OPT101 and audio amplifier

[Mike Long]

Thanks for the confirmation Steve.  I agree, if I were using it outside of
the demonstration then there is much more that should be done to optimize
it. Just doing this should hopefully peak a few people's interest in the
area.

73,
Mike
W6RP

On Fri, Aug 12, 2016 at 3:44 PM, Steve J. Noll <sjnoll at ix.netcom.com> wrote:

> 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
>>
>>