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Aluminium electrolytic & ceramic are two of the main types of capacitor: selecting the best type for a given circuit design requires understanding the advantages of each type.

Low dropout regulators, LDOs are a form of voltage regulator that can operate with very low voltages across the regulator element.

There are many series linear voltage regulator circuits using simple one transistor designs upwards to more complex IC based regulators.

The LM317 voltage regulator IC is a well established chip that can be used in a variety of circuits with just a few additonal electronic components to make an effective regulator.

Less common than voltage feedback op amps, current feedback operational amplifiers are used in a number of designs to provide different characteristics.

The voltage coefficient of resistance is the amount of resistance change a resistor exhibits with a change in voltage.