Tag Archive: Power Supply

Jul 27

DC 4V-9V Adjustable Voltage Regulator

DC 4V-9V Regulator-schematic-diagram

  Parts List Resistor : R1,R2 …………………………. 2,2K R3 ………………………………. 15K R4 ………………………………. 22K R5 ………………………………. 10K Variable Resistor : VR1 ………………………………. 2K Capacitor : C1,C2 ………………….. 2,2uF/25V C3 ………………………. 10uF/10V Transistor : TR1,TR2,TR3 …………. FCS 9014D TR4 …………………………… BC 140 Diode : D1 ……………………………… ZD 12V  

Jul 23

Automatic 12V Battery Charger

Automatic Battery Charger2-schematic-diagram

Parts List Resistor : R1,R4,R7 …………………………. 1K R2 ………………………………… 470 R3,R5 ……………………………. 47K R6 ………………………………… 220 R8 …………………………………… 1 Variable Resistor : VR1 ………………………………. 5K Capacitor : C1 ………………………. 220uF/16V Diode : D1 ……………………………. 1N 5402 D2,D4 ……………………….. 1N 4148 D3 ………………………………… LED D5 ……………………………. ZD 6,2V Transformator : T1 …………………. P  :  0-110V/220V T1 …

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Jul 23

5A 12V Lead Acid Automatic Battery Charger

Automatic Battery Charger-schematic-diagram

Parts List Resistor : R1 …………………………………… 470 R2,R3,R4,R7 ………………………… 1K R5,R6 ……………………………….. 47K R8 ……………………………………. 220 Variable Resistor : VR1 ……………………………………. 5K Capacitor : C1 …………………………….. 100uF/25V Diode : D1,D2 ……………………………. 1N 4148 D3 ……………………………………… LED D4 …………………………………. ZD 6,2V D5,D6,D7,D8 …………………… 1N 4002 D9 …………………………. MDA 3502 – 4 Semiconductor : SCR1,SCR2,SCR3 ……………. EC …

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Jul 08

Linear 0-15V 10A DC Regulator

0-15V 10A DC Regulator-schematic-diagram

Parts List Resistor : R1,–R5 ……………………. 0,22/5W R6,R8,R12 …………………… 100K R7,R15 ………………………… 2,2K R9,R11 …………………………. 10K R10 ……………………………… 12K R13,R14 …………………………. 47 Variable Resistor : VR1 ………………………………. 5K Capacitor : C1 ………………………………. 470pF C2 ………………………………. 100uF C3 ……………………………….. 0,1uF Transistor : TR1 …………………………… CS9015 TR2 ………………………………. A671 TR3 …………………………….. C1061 TR4,—TR7 …………………. 2N3055 Integrated Circuit …

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Jul 08

UA78G 10V-15V 3A-6A DC Regulator

10V-15V 3A-6A DC Regulator-schematic-diagram

Parts List Resistor : R1,R2,R3 ………………… 2,2K Variable Resistor : VR1 …………………………… 3K Capacitor : C1,C2 ……………………… 10uF C3 …………………………. 0,1uF Transistor : TR1 ……………………. 2N3055 Integrated Circuit : IC1 ………………………. uA78G     For 3A load : Traformer’s secondary specs: 16V 3A For 6A load : Traformer’s secondary specs: 18V 6A The transistor  should …

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