The stabilizer is made ​​on the integrated circuit KR142EN6. IC is a bipolar voltage regulator with an output voltage of + / -15 V. […]

This is another Transformerless power supply.  IC voltage regulators for SR03x made ​​by Supertex is connect directly to main voltage and get the output […]

Is often required to supply electricity to the consumer low voltage 220V.  You can use an external adapter – but it’s bad, and to reduce the size of the device requires a power supply located in the device.

The power supply is designed to supply a stabilized 5V various digital devices with current consumption up to 0.5 A. The transformer T1 is […]

The circuit shows a diagram of a simple transformerless power supply for transistor BUZ41A. Through the inclusion of the common-drain transistor VT1 NW capacitor […]

This is a dc regulator circuit which will give output voltage of 13.8V with current output about 10A. The circuit use 4 pieces of […]