592 articles written by P. Marian

Author: P. Marian

About: I love all about electronics, circuit diagrams and crazy projects that can help us achieve almost everything our mind can conceive. I created this website and I want to invite you to participate in our project and create the greatest electronic circuits database.


Wireless Charging

P. Marian - 12/26/2012

Wireless Charging consists in transmitting the electrical power without wires. Wireless power transmission is a tehnology that is [...]
single chip voltage converter

HV4205E Single Chip Voltage Converter

P. Marian - 11/23/2012

With HV4205E you can build a simple single chip voltage converter. With IC and a few external components [...]
12v dc 120v ac inverter circuit

12V DC to 120V AC Inverter Circuit

P. Marian - 11/22/2012

Here is a simple 12 volts DC to AC inverter circuit. This 120V AC power source is built [...]

TDA2822 Datasheet

P. Marian -

The TDA2822 is a monolithic integrated circuit in 12+2+2 powerdip, intended for use as dual audio power amplifier [...]

LM3886 Datasheet

P. Marian -

The LM3886 is a high-performance audio power amplifier capable of delivering 68W of continuous average power to a [...]

TDA7294 Datasheet

P. Marian -

The TDA7294 is a monolithic integrated circuit in Multiwatt15 package, intended for use as audio class AB amplifier [...]

LM2902, LM124, LM224, LM324 Datasheet

P. Marian - 11/21/2012

The LM2902, LM124, LM224, LM324 series consists of four independent, high gain, internally frequency compensated operational amplifiers which [...]
12v 24v regulator

Increase Regulator Voltage Output

P. Marian - 11/20/2012

It is often necessary to arrange an voltage regulator IC to give a higher output voltage than that [...]
usb power socket circuit diagram

USB DC Power Supply from Cigar Lighter Socket

P. Marian - 11/17/2012

The diagram shows the circuit of a versatile USB power socket that safely converts the 12V battery voltage [...]
variable power supply 78xx regulator

Variable Power Supply with 78XX regulator

P. Marian - 11/15/2012

This variable power supply is using 7805, 7809, 7812 or 7815 voltage regulators, where the last 2 digits [...]