microphone amplifier circuit Archives - Amplifier Circuit Design

Tag: microphone amplifier circuit

Multidirectional microphone amplifier

By Amplifier CircuitPosted on May 18, 2012May 18, 2012

This Multidirectional microphone amplifier circuit is often used in a panel discussion or a meeting room to capture the audio […]

By Amplifier CircuitPosted on August 11, 2011June 22, 2012

This Simple preamplifier circuit provides sufficient gain to weak audio signals from the microphone. This circuit can also be supplied […]

By Amplifier CircuitPosted on August 8, 2011June 22, 2012

The operating principle is as follows: Resistors R1, R3 is used to adjust the gain, which equals 25. To increase […]

By Amplifier CircuitPosted on July 29, 2011June 22, 2012

The following microphone amplifier, in addition to its primary mission, will suppress common mode noise arising in the wire connecting […]

By Amplifier CircuitPosted on July 27, 2011December 23, 2011

The amplifier is assembled on operational amplifier KM551UD2.The amplifier is powered by a dual supply voltage of 15 volts. The […]