Recent content by glockshotz

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    0-30 Vdc Stabilized Power Supply

    Ok it works! I replaced Q2 with TIP31C and Q4 with a new 2N3055.
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    0-30 Vdc Stabilized Power Supply

    Sorry I see the TIP32C is PNP I'll have to keep looking
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    0-30 Vdc Stabilized Power Supply

    Come to think of it, it was working fine until I exceeded 3A.  The output on pin 6 is 30v to -0.15v.  I couldn't find a TIP31A but I did find a TIP32C 140V 5A 40W will it work the same? 
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    0-30 Vdc Stabilized Power Supply

    It should work fine without a load. What happens without a load? I get about 15.4v to 30v and the 2N3055 transistor is connected correctly
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    0-30 Vdc Stabilized Power Supply

    I did use the original 2N2219 transistor as Q2.  I have a heatsink on it, should I use a diferent transistor? I used a 24V transformer with 100VA so it can draw more current than I want or need.(I'll have to limit this some how) I noticed that I can only get the 0-30V when I have a load...
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    0-30 Vdc Stabilized Power Supply

    Well I have finished my power supply and it works like a Charm :) But I would like to add a digital panel meter that requires 5V power supply, does anyone have and good suggestions on how I should go about doing this. P.S. this is my first project and I'm still learning
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    Transformer Question

    I have a transformer with a rating of 120VAC Primary to 24VAC secondary with a VA of 100 Does this mean I will get 4A or 3A? This is what mean:  100VA / 24V(RMS) = 4.16A    or  100VA / 34V(Pk) = 2.94A This is for the power supply project 0-30V.  I would appricate any help thanx. 
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    0-30 Vdc Stabilized Power Supply

    I am almost finish designing my power supply, However I was only able to get a transformer with a rating 24vdc with 100VA.  So my transformer will be supplying 4A current will this work?
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