[Laser] Re: Jim, et al

[Buchanan Bill]

Might be somethings to look at as far a laser
communications improvements.....




http://www.ornl.gov/sci/lasers_optics_diagnostics/FactSheets/Hutchinson-LWIR%20Comms%20FactSheet(1pg).pdf

http://www.ornl.gov/sci/engineering_science_technology/sms/Hardy%20Fact%20Sheets/Ultra-Weak%20Signal.pdf



--- Jim Moss <n9jim-6 at pacbell.net> wrote:

> leave the optional 10K resistor out of the circuit.
> That way you have an open collector transistor.
> Then connect the emitter to the lower voltage side
> of the switch and the
> collector to the higher voltage side of the switch.
> 
> Jim
> 
> 
> 
> --- Brent <hamfreak2002 at gmail.com> wrote:
> 
> > Ok, built the occilaor part of this webpage 
> > http://www.qsl.net/wb9ajz/laser/data/cheepo.txt
> > 
> > was wondering if I directly connect the hot side
> of the switch to keys 
> > laser nad the ground to ground.. when I measure it
> with a volt meter it 
> > says 8 volts? am I doing something wrong.... will
> that kill the laser?
> > _______________________________________________
> > Laser mailing list
> > Laser at mailman.qth.net
> > http://mailman.qth.net/mailman/listinfo/laser
> > 
> 
> _______________________________________________
> Laser mailing list
> Laser at mailman.qth.net
> http://mailman.qth.net/mailman/listinfo/laser
> 


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