Ispravljac s LM723 0-30V 0-3A

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mash
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Joined: 23-12-2007, 13:28

Re: Ispravljac s LM723 0-30V 0-3A

Post by mash »

evo ali 5A http://www.elecfree.com/circuit/power-s ... 055-2part/" onclick="window.open(this.href);return false;
ako ti moze pomoci
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mash
Pravo uznapredovao :)
Pravo uznapredovao :)
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Re: Ispravljac s LM723 0-30V 0-3A

Post by mash »

http://www.elecfree.com/electronic/vari ... 1402n3055/" onclick="window.open(this.href);return false; 4A ali sa 2n3055


http://peteropfinder.dk/_konst/psu/psu3/index.html" onclick="window.open(this.href);return false; Regulator 0-30V 2A by IC 723 & 2N3055

http://www.elecfree.com/circuit/power-s ... 23-2n3055/" onclick="window.open(this.href);return false;
Regulator 0-50V 2A by IC LM723 + Transistor 2N3055 & BD140 & A671


http://www.genwi.com/read/3379534/comments" onclick="window.open(this.href);return false; 3V-30V 2.5A Power Supply with LM723 and 2N3055
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mash
Pravo uznapredovao :)
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Posts: 223
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Re: Ispravljac s LM723 0-30V 0-3A

Post by mash »

http://www.elektronika.kvalitne.cz/osta ... br/DPS.tif" onclick="window.open(this.href);return false;
http://www.elektronika.kvalitne.cz/osta ... z_plan.gif" onclick="window.open(this.href);return false;

R1 220K
R2, R9, R14, R16 2k2
R3, R17 22k
R4, R5 82k
R6 47
R7, R10, R15 100
R8 4k7
R11 trimr 47k
R12 trimr 1k
R13 0.47, 5W
P1, P2 potenciometr 2k5
C1 470pF keramika
C2, C4 100nF keramika
C3 50uF / 35V elektrolyt
C5 10mF / 35V *
D1 zenerka 12V / 0.35W
D2 zenerka 9V1 / 0.35W
D3-D6 Pro 3A třeba BY550, pro nižší úbytky napětí třeba schottky SB560
D7 pro 3A např BY550, nesmí být schottky !!!
T1, T3 BC557
T2 KF517, KFY18, KFY16, BD136-16, ... + chladič (asi 1W) *
T4 KD503, BD911 nebo darlingtony BDW83C, TIP142, ... + chladič *
IO1 LM723, MAA723CN (plast), UA723C, UM723, ...
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mash
Pravo uznapredovao :)
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Re: Ispravljac s LM723 0-30V 0-3A

Post by mash »

zashto na 4A?
imash ba 2A
zadhto ti to igra toliku ulogu?
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mash
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Re: Ispravljac s LM723 0-30V 0-3A

Post by mash »

moja greshka 3A
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mash
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Re: Ispravljac s LM723 0-30V 0-3A

Post by mash »

pa napravi ga ti. nije komplikovano za napraviti. meni je moj ispravljac proradio iz prvog pokushaja. nije ti skup uredjaj za napraviti poshto imash transformator
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mash
Pravo uznapredovao :)
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Re: Ispravljac s LM723 0-30V 0-3A

Post by mash »

pa napravi uredjaj i vidi kako ce radi a kutiju mozesh i kasnije da namontirash.
nemam pri sebi shemu svog ispravljaca a neda mi se traziti
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