The principle of the converter similar to a compensation voltage. DA1 exemplary chip compares the voltage to the noninverting input with resistor divider R1-R3 with the voltage coming to the inverting input from the output device. According to the corrected output signal, which regulates unlocking / locking of the output transistors. The maximum voltage is limited only by the supply voltage operational amplifier. A current output – set output transistors. Such is the useful thing.
Parts list :
Notation |
Nominal |
C1 | 100µF/25V |
C2 | 100µF/25V |
R1 | 510Ω |
R3 | 510Ω |
R2 | 1KΩ |
R5 | 200Ω |
R4 | 10KΩ |
T1 | KT815 |
T2 | KT816 |
DA1 | K140UD7 |
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