Regulator is a series of regulations or the voltage output from power so that a portion darinaik effects or voltage drop in net does not affect the voltage ration power to be so stable.
Regular circuit of regulators have been good if the ripple voltage is small, but there is a problem of stability. If the voltage PLN rise /down, then the output voltage is also will be rise /donw. regular circuit of regulators, if the current of the larger, the dc voltage output is also down. For some applications this voltage change will very disrupt.
Rangkaian Regulator menggunakan Op-Amp
Ignore the VBE voltage transistor Q1 and mensubsitusi formula, obtained by mathematical relationships
In the circuit of regulator Op-Amp of this output voltage can be adjusted with the set of R1 and R2.