bloki
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Resistor wattage is always added together. No matters is it series or parallel connection.
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Want to make Auto Range Power Supply.
bloki replied to masterleous's topic in Electronic Projects Design/Ideas
You may use computer PS as it is or modify it. -
How to make an audio console's power supply better?
bloki replied to Dead_Nid's topic in Electronics chit chat
Comparing both regulators 1083 and 338 regarding ripple rejection parameter you can find that both has the same guaranteed value, -60dB. And it defines how much ripple you will have on output voltage. Some types of linear regulators can oscillate if output capacitor has very low ESR. -
You can make such inductor. core diameter=50mm coil length=50mm coil depth=40mm wire diameter=0.5mm wire length=2500m number of turns=9000 wire resistance=216ohms Use CALCOIL program which can be downloaded here: http://www.elektroda.net/download/file654.html
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You may connect 4.6H inductor if it can withstand at least 200mA current and 2.2uF/250Vrms (rms not DC, DC rating should be 630V)capacitor parallely to mains voltage.
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Yes each signal has it's own carrier frequency. Such system is called FDM or Frequency Division Multiplex.