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Forums
4hv.org :: Forums :: Electromagnetic Projectile Accelerators
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Capacitor charger
Move Thread LAN_403
earth3
Wed Nov 02 2011, 12:31AM Print
earth3 Registered Member #3721 Joined: Sun Feb 27 2011, 04:43AM
Location:
Posts: 40
 		i have a doubt abt uzzors capacitor charger 50W. What does he mean by 1/2 LM393 in the circuit?
http://uzzors2k.4hv.org/index.php?page=capcharger2
im green in electronics so please help
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Inducktion
Wed Nov 02 2011, 12:33AM
Inducktion Registered Member #3637 Joined: Fri Jan 21 2011, 11:07PM
Location: Buffalo, NY
Posts: 1068
 		An LM393 has two comparator's inside of it. Look up the datasheet for the part and you'll understand. :)
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earth3
Wed Nov 02 2011, 12:36AM
earth3 Registered Member #3721 Joined: Sun Feb 27 2011, 04:43AM
Location:
Posts: 40
 		i know i sound like a noob but how do i connect it? it only got 8 pins
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Inducktion
Wed Nov 02 2011, 01:49AM
Inducktion Registered Member #3637 Joined: Fri Jan 21 2011, 11:07PM
Location: Buffalo, NY
Posts: 1068
 		Again; Look up the datasheet. the pin numbers will designate a +, -, output, Vcc, and GND or Vee.

Connect the Vcc to your supply voltage, the GND/Vee to your ground, and the + or - to however it says to connect it in the schematic.
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earth3
Wed Nov 02 2011, 01:00PM
earth3 Registered Member #3721 Joined: Sun Feb 27 2011, 04:43AM
Location:
Posts: 40
 		ground? huh you mean the negative?
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earth3
Wed Nov 02 2011, 01:03PM
earth3 Registered Member #3721 Joined: Sun Feb 27 2011, 04:43AM
Location:
Posts: 40
 		got one more doubt can i use KIA 393P instead? it almost looks like a LM393
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Inducktion
Wed Nov 02 2011, 02:26PM
Inducktion Registered Member #3637 Joined: Fri Jan 21 2011, 11:07PM
Location: Buffalo, NY
Posts: 1068
 		Yes, you can use the KIA393P. It's still technically the same thing.

And yes, GND = Negative voltage supply, if you have it.
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