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Old 09-04-2010, 10:01 PM #17
Class 1 Laser
 
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Default Re: hello :D

indeed will go for mogans DDL setup as its proven by all the posts ive seen and totally recommended by everyone

my setup was based on his, the spec for the lx8383a

LX8383A-00IV datasheet pdf datenblatt - Microsemi Corporation - 7.5 A LOW DROPOUT POSITIVE REGULATORS ::: ALLDATASHEET :::

its setup like the adj regulator on page 5 fig 2, i choose this as i didnt have an lm317 because it stabilises the voltage at 3.3v (it was from an old mobo) and my wall wart to be frank, is crap, its on 4.5v but outputting around 6 with a nice 50hz humm thrown in for good measure, so will change to my nice old AT one when i get the lm317

if u like i'll draw up a schematic of my circuit, but it is much the same as the figure shows.


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Old 09-04-2010, 10:15 PM #18
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Default Re: hello :D

Got it. I would definitely go the DDL route. If You can find and afford one a DC PS with adjustable current/voltage is a great thing to have around.
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Old 09-06-2010, 04:04 AM #19
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Default Re: hello :D

Hello,

Welcome to the forum!
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Old 09-06-2010, 04:08 AM #20
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Default Re: hello :D

Welcome to l.p.f.!!!
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Old 09-06-2010, 08:00 AM #21
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Default Re: hello :D

HI ty for the warm welcome

will be doing some purchasing 2day so hopefully get my DDL up and running,
but before i construct the DDL, i was wondering about the switch being on the positive side of the battery, would it be better holding back the electrons on the negative side so any handling wont have the potential for current to flow through me to ground?
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Old 09-07-2010, 08:37 AM #22
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Default Re: hello :D

Hi, just found nice lab psu schematic from the datasheet for my 317



the datasheet address

www.soselectronic.hu/a_info/resource/c/ts317.pdf

what do u think of the supply?
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