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Old 03-17-2011, 12:32 PM #1
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Default Looking for 1W+ driver with TTL for 445nm?

hello, i am after a driver with ttl that will power the 445nm diode can some1 suggest something? so far i found this Die4Drive
is there anything else or this would be it?

thanks.,


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Old 03-17-2011, 12:57 PM #2
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Default Re: Looking for 1W+ driver with TTL for 445nm?

Dr Lava's FlexMod would be an alternative.
http://hacylon.case.edu/ebay/laser_diode/FlexModP3.php

If you feel adventurous, you could build something similar yourself out of a LM317
and some clever tinkering, and maybe a 555 IC.
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Old 03-17-2011, 03:40 PM #3
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Default Re: Looking for 1W+ driver with TTL for 445nm?

You can apparently modify Dr. Lava's MicroBoost to be modulated by TTL.
I don't have a link to the document, but it is somewhere here on the forum.
If you place the Micro boost on a work surface, with the B+ connection in the upper right corner, and the POT up, you will see a sorta "L" shapped pad just above the B- connection. According to the document, you cut the upper leg of the 'L' (leading to the 6 pin chip, just below the B+ connect) and scrape the mask off of the broader lower leg of the 'L' (that becomes your TTL+ modulation input pad).

I have tried to attach a copy of the doc.
The real problem may be getting your hands on a microboost. I think Dr. Lava is out of them for the moment. But, I think, Bogartman has them for sale @ $38. He may have some in stock.
Attached Files
File Type: pdf TTL_MicroBoost.pdf (36.8 KB, 341 views)

Last edited by 123splat; 03-17-2011 at 03:43 PM. Reason: Addl info.
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