‘Power Supply Circuits’ Category

Power inverter : 12VDC to 220VAC With Cmos 4047

This converter has a central component, the CMOS 4047, and converts a 12V DC voltage to 220V AC voltage. 4047 is utilised as a astable multivibrator. ...

 

This converter has a central component, the CMOS 4047, and converts a 12V DC voltage to 220V AC voltage. 4047 is utilised as a astable multivibrator. At pin 10 and 11 we find a rectangular symmetrically signal which is amplified by tow Darlington transistors T1 and T2 and finally reaches the secondary coil of a transformer network (2 x 10V/60VA). Primary coil terminals voltage is 220 alternative voltage. Read the rest of this entry »

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Power Supply : Simple Power Supply 7812 7912

 

Power supply on the only protected by capasitor as if the power supply is connected in series with the load. To power the power supply the more we can menggunakkan transistor TIP, but I have not membahasnya. Therefore I suggest using the minimal specification capasitor with 35V. To bridge dioda you can stack 4 of dioda then you become one solder bridge rectifier, or you can buy a bridge rectifier so that comb-shaped (sideways) or the box. Most dioda bridge I do not recommend using the 1 Ampere, in a series of adapter, the greater ampere dioda the better way in the current series. Dioda a toll road, and as the flow through the car. The large and wide toll road that is, the more rapid flow and run through a series of.

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Power Inverter : Inverter 100W IC 4047 2N3055

 

Circuit Inverter 100W by IC 4047 + 2N3055

This circuit power Inverter input 12V (battery 12V)
to out 220V 50HZ, Eesy circuit because less component to use.
It use IC 4047 (oscillator 50HZ) and
Power Transistor 2N3055 x 2 ,OUTPUT Power 100W. Read the rest of this entry »

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Simple 5V Power Supply For Digital Circuits Project

 

This circuit is a small +5V power supply, which is useful when experimenting with digital electronics. Small inexpensive wall tranformers with variable output voltage are available from any electronics shop and supermarket. Those transformers are easily available, but usually their voltage regulation is very poor, which makes then not very usable for digital circuit experimenter unless a better regulation can be achieved in some way. The following circuit is the answer to the problem. Read the rest of this entry »

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