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Old 11-11-2007, 01:43 PM #1
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Default Pulse Driver

I've been looking and I can't find a pulse drive circuit. Don't pulse drive circuits make the diode like more than 2x powerful?


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Old 11-11-2007, 01:56 PM #2
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Default Re: Pulse Driver

The peak is much more powerful, i hear, but the average power per unit time is the same, I believe.
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Old 11-11-2007, 05:10 PM #3
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Default Re: Pulse Driver

ok, thanks, I'm just going to go with DDL's design
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Old 11-11-2007, 08:08 PM #4
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Default Re: Pulse Driver

i dont think the industry would bother pulsing a diode to get higher power output if it didnt do anything
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Old 11-11-2007, 08:14 PM #5
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Default Re: Pulse Driver

Well, average output might be the same (or even less!) but pulsed will give you nicer results for burning, while putting less strain on the diode.

There is a thread about this topic, and as soon as I find my LM I'll solder my version up and try it.
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Old 11-12-2007, 10:34 AM #6
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Default Re: Pulse Driver

im trying to search for more info on pulsing but it doesnt want to work for me :S i have 5 diodes on the way and i plan on killing at least 4 of them with various experiments :P i want to try to pulse one and tec cool it and see just how high i can make it go (red)
im wondering about the pulse circuit though..im not sure how specific that sort of circuit would need to be but im planning on just using a simple 555 timer and making a modified metronome. ive made one that hit some ultrasonic frequencies so that might be kind of interesting to try. please hurry. id like to see how things turn out for you!
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Old 11-12-2007, 11:47 AM #7
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Default Re: Pulse Driver

http://www.laserpointerforums.com/fo...m=1187540489/0

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Old 11-12-2007, 08:22 PM #8
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Default Re: Pulse Driver

thanks. it appears my idea is flawed but that doesnt mean i wont still try
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