[Laser] OPT-101 vs PIN diode
steve kavanagh
skavanagh73 at yahoo.ca
Thu Dec 14 09:16:06 EST 2006
Merci, Yves.
That is a very interesting circuit. Have you tried it
?
It appears to give about the same bandwidth as I have,
but probably with substantially better weak-signal
sensitivity since it doesn't need the 66 Megohm FET
bias resistor that my current AC-coupled circuit has.
I imagine it will probably saturate in daylight,
however, since it is DC-coupled. One of my goals is to
be able to cover at least 1 km in the daytime as well
as at night, with a low power laser spread to a wide
beamwidth.
73,
Steve VE3SMA
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