Tuesday, February 4, 2014
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Regulator power supply with op amp
Part List :
Resistor
R1____1K5
R2____1K trim
R3____10K
R4____330R
R5____1K
R6____47R
R7____68R
R8____820R
R9____47K
R10___22K
R11___1K5
Capacitor
C1____10000uF 80V
Transistor
Q1____2N3565
Q2____2N3565
Q3____S9013
Q4____S9013
Diode
D1____1N4007
D2____1N4007
LED1_Red Led
IC
U1____uA741 (op-amp ic)
Regulator power supply with op amp
Power supply circuit has a first amplifier using op-amp is IC uA741. Op amp circuit that is used only one, but it also features an adjustable voltage, which is steered by a trimpot resistors. Rtrim will set the input to the IC input on pin 2, so that if the detainee on Rtrim which will be channeled into ic enlarges the output voltage will be small, and otherwise. After the voltage is boosted and filtered and then the voltage will be regulated and boosted again by a NPN transistor.
 |
| Output voltage 0.5V - 35V |
Resistor
R1____1K5
R2____1K trim
R3____10K
R4____330R
R5____1K
R6____47R
R7____68R
R8____820R
R9____47K
R10___22K
R11___1K5
Capacitor
C1____10000uF 80V
Transistor
Q1____2N3565
Q2____2N3565
Q3____S9013
Q4____S9013
Diode
D1____1N4007
D2____1N4007
LED1_Red Led
IC
U1____uA741 (op-amp ic)
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