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    Transformers and bridge rectifiers [question]

    Why do we use bridge rectifiers with laminated core transformers? If the transformer steps down the voltage to 24v volts (in my case) why should i use a bridge rectifier if i am building a linear voltage regulated power supply. Currently working on an LM338K linear power supply. reference...
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    Bench power supplies! [help!]

    The power supply should range from 1.5v to 30v however the maximum i will use is 24v, and the current should range from 2-4 ampere.
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    Bench power supplies! [help!]

    How about using a ready to use 24v power supply (used for LED strips) and continue building from there like adding a dc to dc buck converter then using a potentiometer to vary the current and voltages. I'd like to atleast learn something while building or what's the use. By the way touching the...
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    Bench power supplies! [help!]

    I'd like to go with building one however, where should I start if I am going with a linear voltage regulated power supply. By the way if I am going with that, which voltage regulator will make the efficiency a little better? I can't help my self but to build one (it's like something is itching...
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    Bench power supplies! [help!]

    Hello everyone, I am currently trying to find a good power supply for my electronic projects. However, I am very confused on where to go, should i go with building one (If it's worth it) or buying one (which is expensive in my country). Moreover, What's the difference between the switched mode...
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