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1N5401 3.0 AMP Silicon Rectifier – Circuit Schematic
1N5401 3.0 AMP Silicon Rectifier
The schematic below shows how the +25V DC and -25V DC are obtained. In order to provide power supply for 2 stereo amplifiers, a power transformer rating of 80VA...
AC to AC Power Supplies and Transformer Circuits – Circuit Schematic
AC to AC Power Supplies and Transformer Circuits
Active amplified transformer isolated signal splitter that enables hum-free connection of1-guitar to more than1-amp as well as having a direct output Transforme...
Variable Dc Power Supply circuit – Circuit Schematic
Variable Dc Power Supply circuit
This circuit is not an absolute novelty, but it is simple, reliable, "rugged" and short-proof, featuring variable voltage up to 24V and variable current limitin...
Transformerless 5 Volt Power Supply circuit – Circuit Schematic
Transformerless 5 Volt Power Supply circuit
An increasing number of appliances draw a very small current from the power supply. If you need to design a mains powered device, you could generally choose bet...
Stablised Power Supply With Short-Circuit Indication circuit – Circuit Schematic
Stablised Power Supply With Short-Circuit Indication circuit
Here is an efficient 4-stage stabilised power supply unit for testing electronic circuits. It provides well regulated and stabilised output, which is essential ...
Quad Power Supply For Hybrid Amplifier circuit – Circuit Schematic
Quad Power Supply For Hybrid Amplifier circuit
This power supply was designed for use with the ˜Simple hybrid amp published elsewhere in this issue. It is of course suitable for use in other applications as...
Adjustable Current Limit For Dual Power Supply circuit – Circuit Schematic
Adjustable Current Limit For Dual Power Supply circuit
This current-limiting circuit, shown in this example as part of a small bench power supply, could in principle be used in conjunction with any dual-rail current...
9 Volt 2 Ampere DC Power Supply Circuit – Circuit Schematic
9 Volt 2 Ampere DC Power Supply Circuit
There is little to be said about this circuit. All the work is done by the regulator. The 7809 can deliver up to 2 amps continuous output whilst maintaining a l...
Variable Voltage and Current Power Supply circuit – Circuit Schematic
Variable Voltage and Current Power Supply circuit
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 vo...
Variable 3 - 24 Volt / 3 Amp Power Supply circuit – Circuit Schematic
Variable 3 - 24 Volt / 3 Amp Power Supply circuit
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 ...
Adjustable Symmetrical Power Supply ?± 125 until ?±30V 1A circuit – Circuit Schematic
Adjustable Symmetrical Power Supply ?± 125 until ?±30V 1A circuit
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 b...
10 Amp 13.8 Volt Power Supply circuit – Circuit Schematic
10 Amp 13.8 Volt Power Supply circuit
The circuit will give us amps (12 amps surge) with performance that equals or exceeds any commercial unit. The circuit even has a current limiting feature which...
An Add-On Current Limiter For Your PSU circuit – Circuit Schematic
An Add-On Current Limiter For Your PSU circuit
This circuit allows you to set a limit on the maximum output current available from your PSU. It`s very useful when you power-up a project for the first time - ...
0-50V 2A Bench power supply circuit – Circuit Schematic
0-50V 2A Bench power supply circuit
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Usb Power Socket With Indicator circuit – Circuit Schematic
Usb Power Socket With Indicator circuit
Today, almost all computers contain logic blocks for implementing a USB port. A USB port, in practice, is capable of delivering more than 100 mA of continuous c...
Mini High-Voltage Generator circuit – Circuit Schematic
Mini High-Voltage Generator circuit
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0-50V 2A Bench power supply – Circuit Schematic
0-50V 2A Bench power supply
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Dual Polarity Power Supply – Circuit Schematic
Dual Polarity Power Supply
This dual polarity power supply is easy to build, requires few parts, and is adjustable from 0-15 volts. It is great for powering op amp circuits, as well as ot...
Regulated 12 Volt Supply – Circuit Schematic
Regulated 12 Volt Supply
This circuit above uses a 13 volt zener diode, D2 which provides the voltage regulation. Aprroximately 0. 7 Volts are dropped across the transistors b-e junctio...
Flyback Transformer Driver – Circuit Schematic
Flyback Transformer Driver
an efficient flyback driver for modern cylindrical rectified television flybacks. Many sites doesn`t provide circuits driving these transformers, they simply sa...