Help me with this transformer connection

Started by Agung Kurniawan, January 31, 2017, 08:48:24 PM

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Agung Kurniawan



Hi everyone...
Im planning to build this ps with CT transformer. But I will leave the CT not connected.
Is that anything wrong with the way I wind the transformer and the diode bridge?
Thanks..
Multiple gain stage followed by some active EQ is delicious.

Rob Strand

Imagine connecting the two 0V's together.  Look what happens from perspective of the transformer.

Use separate windings for each DC reg.
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According to the water analogy of electricity, transistor leakage is caused by holes.

Agung Kurniawan

Quote from: Rob Strand on January 31, 2017, 09:38:50 PM
Imagine connecting the two 0V's together.  Look what happens from perspective of the transformer.
is that any bad or destructive affect?
Multiple gain stage followed by some active EQ is delicious.

PRR

That will NOT work. But a little too hard to explain here.

Why do you have two rectifiers? One rect will feed two 7809 if that is what you want.
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Agung Kurniawan

Quote from: PRR on February 01, 2017, 12:44:29 AMWhy do you have two rectifiers? One rect will feed two 7809 if that is what you want.

fairly, I dont know what Im going to do with this circuit :D
the idea is just to get the 'semi-isolated'(sound stupid) output ps.
I have a problem with my fx chain noise.

I thing using 2 of 500mA transformer would be better
Multiple gain stage followed by some active EQ is delicious.

Agung Kurniawan

Multiple gain stage followed by some active EQ is delicious.

antonis

As long as transformer secondaries are totally seperated (no common wire/joint/point) it's more than fine.. :icon_wink:
"I'm getting older while being taught all the time" Solon the Athenian..
"I don't mind  being taught all the time but I do mind a lot getting old" Antonis the Thessalonian..