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You are here: Home / Archives for Amplifiers

RF Amplifier and Converter Circuits for Ham Radio

Last Updated on January 19, 2021 by Swagatam Leave a Comment

In this post we will discuss a few high frequency RF converter and preamplifier circuit designs which can be used for amplifying or enhancing the reception of an existing RF […]

Filed Under: Amplifiers

4 Efficient PWM Amplifier Circuits Explained

Last Updated on October 19, 2020 by Swagatam Leave a Comment

Audio amplifiers which are designed to amplify an analogue audio signal through pulse width modulation or PWM processing and with adjustable duty cycle is known by many names including digital […]



Filed Under: Amplifiers

Make this Bass Booster Speaker Box

Last Updated on October 11, 2020 by Swagatam 2 Comments

The article explains the construction of the high bass boost speaker box system, which can be used for reproducing music with heavy bass effect, which can be adjusted with a […]

Filed Under: Amplifiers, Audio Projects

100 Watt Guitar Amplifier Circuit

Last Updated on October 8, 2020 by Swagatam Leave a Comment

This 100 watt Guitar amplifier circuit can be used mainly for amplifying guitar sound and also a public address systems. To test its ruggedness, the unit is designed without any […]

Filed Under: Amplifiers

Soft-Start Power Supply for Amplifier Loudspeakers

Last Updated on September 17, 2020 by Swagatam 5 Comments

The proposed slow-start power supply circuit is specially designed for power amplifiers to ensure that the loudspeaker connected with the amplifier do not generate the loud and unwanted “thump” sound […]

Filed Under: Amplifiers, Power Supply Circuits

100 to 160 watt Power Amplifier Circuit using a Single IC OPA541

Last Updated on July 26, 2020 by Swagatam 8 Comments

For anyone who is searching for an audio amplifier with massive output power in the order of 100 watt to 200 watts, using an absolute minimum parts count, this particular […]

Filed Under: Amplifiers, Audio Projects



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