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  • Repair your Roland VP540 and other expensive equipment

    Mostly caps are used in power supply cicuits to give processors a stable power supply. They work almost like a battery storing power. When the processor need a litle bit more power to opperate a certain instuction the power supply (without a capacitor) will drop in voltage. The energy stored in the caps can supply the power needed and recharge in an instant and be ready for the next extra power demand from your circuit. Upping the voltage value can protect the cap from high voltage pulses for instance when turning the device on. A higer capacitance increases the amount of power than can be stored.A simple test can demonstrate this. Use a led first without and then with a capacitor. With capacitor the led wil stay highlited for a short while longer (depending of the value) then with no c...see more »Mostly caps are used in power supply cicuits to give processors a stable power supply. They work almost like a battery storing power. When the processor need a litle bit more power to opperate a certain instuction the power supply (without a capacitor) will drop in voltage. The energy stored in the caps can supply the power needed and recharge in an instant and be ready for the next extra power demand from your circuit. Upping the voltage value can protect the cap from high voltage pulses for instance when turning the device on. A higer capacitance increases the amount of power than can be stored.A simple test can demonstrate this. Use a led first without and then with a capacitor. With capacitor the led wil stay highlited for a short while longer (depending of the value) then with no cap when turnig of the power.

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