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DC power supply circuit diagrams

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Power Supply +50V 3A stabilized and regulated
Power Supply +50V 3A stabilized and regulated
August 4, 2010

Many times we needed a stabilized, together regulated power supply and high relatively output voltage. These specifications him it cover our circuit. It 's a circuit that can give in his exit + 40V until... [more]

Power Supply Adjustable 0V-30V DC/2A
Power Supply Adjustable 0V-30V DC/2A
August 4, 2010

It is a simple circuit regulated power supply, based on the known LM 723, that drive a transistor Q1 [2N3055]. The regulation of voltage, of expense becomes with potentiometer R1 from 0v-30v DC roughly. In... [more]

Adjustable Symmetrical Power Supply ± 125 until ±30V 1A
Adjustable Symmetrical Power Supply ± 125 until ±30V 1A
August 4, 2010

This is the voltage converter to get the voltage of ±1,25-30V from the input voltage of ±35V. I am using the 3 terminal voltage regulator for the voltage to be changed in this unit. [more]

Power Supply 0-15V / 1A
Power Supply 0-15V / 1A
August 4, 2010

This circuit of power supply, are very simple in the manufacture, the finding of his materials , is very easy and cost, small. The output voltage is stabilised and is regulated in the region from... [more]

Simple Adjustable Voltage Source
Simple Adjustable Voltage Source
August 4, 2010

A simple but less efficient methode of controlling a DC voltage is to use a voltage divider and transistor emitter follower configuration. [more]

LM317T Variable Voltage Regulator
LM317T Variable Voltage Regulator
August 4, 2010

The LM317T is a adjustable 3 terminal positive voltage regulator capable of supplying in excess of 1.5 amps over an output range of 1.25 to 37 volts. The device also has built in current limiting... [more]

LM317T Voltage Regulator with Pass Transistor
LM317T Voltage Regulator with Pass Transistor
August 4, 2010

The LM317T output current can be increased by using an additional power transistor to share a portion of the total current. The amount of current sharing is established with a resistor placed in series with... [more]

Variable 3 - 24 Volt / 3 Amp Power Supply
Variable 3 - 24 Volt / 3 Amp Power Supply
August 4, 2010

This regulated power supply can be adjusted from 3 to 25 volts and is current limited to 2 amps as shown, but may be increased to 3 amps or more by selecting a smaller current... [more]

Variable Voltage and Current Power Supply
Variable Voltage and Current Power Supply
August 4, 2010

Another method of using opamps to regulate a power supply is shown. The power transformer requires an additional winding to supply the op-amps with a bipolar voltage (+/- 8 volts), and the negative voltage is... [more]

2 Watt Switching Power Supply
2 Watt Switching Power Supply
August 4, 2010

In this small switching power supply, a Schmitt trigger oscillator is used to drive a switching transistor that supplies current to a small inductor. Energy is stored in the inductor while the transistor is on,... [more]



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