Amplifier Circuit Design

10-100W Class-D Power Audio Amplifier Using MD7120 MOSFET Driver

By Amplifier CircuitPosted on June 29, 2020June 29, 2020

This is the circuit design of Class-D power audio amplifier using IC MD7120 as MOSFET driver. The MD7120 used to […]

By Amplifier CircuitPosted on September 16, 2018September 16, 2018

This is the circuit diagram of active antenna amplifier for FM radio device. With only a small handfull of parts […]

By Amplifier CircuitPosted on March 24, 2017March 24, 2017

This is the schematic design of 400 Watt 70 Volt amplifier capable to deliver about 400W RMS power output in […]

By Amplifier CircuitPosted on February 18, 2017February 18, 2017

This is the circuit diagram of 150W power amplifier which built using power transistors. The circuit above is essentially a […]

By Amplifier CircuitPosted on January 18, 2017

This is the circuit design of 1000W stereo audio amplifier. It is a very good design to assemble, easy to […]

By Amplifier CircuitPosted on October 31, 2016October 23, 2016

This is the circuit design of 150W car audio amplifier. The circuit is divided in two block diagrams: The tone […]

By Amplifier CircuitPosted on October 26, 2016October 23, 2016

This is the circuit design of 21W class AB audio amplifier uses power transistors as the main part. It is […]

By Amplifier CircuitPosted on October 19, 2016

This is a 4 channel amplifier circuit build based two IC LM1877N. A LM1877 can be used for a stereo […]