[Laser] OPT301M circuit

[Jack Taylor]

David, this sounds like a GREAT project!  Suspect the thing that's stopped
many of us is putting together a decent receiver.

73 de Jack

----- Original Message -----
From: <G0MRF@aol.com>
To: <laser@mailman.qth.net>
Sent: Monday, October 07, 2002 4:25 AM
Subject: [Laser] OPT301M circuit


> Hello group.
>
> To 'drum up' a little activity over here in the UK,  I decided to produce
a
> few laser detectors and find a few people to have QSOs with!
>
> With the OPT210 now obsolete I've resorted to the TO-99 packaged OPT301M.
>
> I've produced a small PCB layout which has the detector and two surface
mount
> NE5534 op-amps which act as a bandpass filter and driver.
>
> Initial tests seem to be encouraging. I should be able to try some paths
over
> 20km or so by the end of the month.  I'll report success or lack of it
later
>
> provisional details are at:
>
> www.g0mrf.freeserve.co.uk/laser301.htm
>
> 73
>
> David  G0MRF
>
>
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