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    New site offering online calculators: MustCalculate

    Hi! I'm a professional electronics designer myself and for a long time I've been using many online calculators for electronic designs. But almost always, I ran to some annoying problems while using them since many of them are badly made (my opinion). One day, I decided to make a site of my own...
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    smps transformer calculations

    transformer design calculation for smps Hello all. I need to calculate a smps transformer. I found a web page which calculates a proper transformer for my design but it doesn't output any math formulas of how it calculated it. Are there any online transformer design calculators I could use...
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    Bidirectional zener-diode question

    bidirectional zener diode Hello, i was wondering is it possible to replace one bidirectional zener with two unidirectional zeners? Do they equally match each others? I think that should be possible but if theres for example. a 5.8V bipolar zener, does it also have that reverse threshold...
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    What is the standard isolation voltage between top & bottom layers in 1.6mm FR-4 PCB?

    What is the standard isolation voltage between top & bottom layers in 1.6mm FR-4 PCB? What is the standard isolation voltage between top and bottom layers in a 1.6mm FR-4 PCB? I need to route some 230V/380V AC lines to the PCB and some parts are quite difficult to route single sided while...

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