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36 Watt BTL Power Amplifier Circuit using IC TDA1562Q

Last Updated on November 16, 2024 by Admin Leave a Comment

This 36 watt power amplifier circuit is structured over a class of Philips H-Audio Amplifier IC and may provide 36W RMS or 70W audio power, all coming from approximately a 14V power supply.

amp 1

This innovative Powerful Midget Amplifier can definitely throw a punch of about 36 W constant RMS right into a 4 ohm loudspeaker when you use a 14V power supply.

On the other hand, it's the 70W output power which it could possibly offer in dynamic signal circumstances (music) that actually allow you to sit back and feel amazed.

As may be seen in the photographs and circuit diagram, the Powerful Midget makes use of only a few components. It truly is constructed on a PCB which measures merely 104mm x 39mm, but even though its dimension could be small, these are certainly not small concerning its power. And also the noise and distortion statistics are extremely great as well.

36 watt power amplifier circuit

In the middle of the circuit would be the integrated circuit TDA1562Q, referred to by Philips as a "monolithic integrated bridge-Tied load (BTL) class H high efficiency power amplifier.

It is made in a 17-pin "DIL-bent-SIL" plastic package and is not simply made to be applied in car audio and portable PA but also for multilevel purposes, along with Mini/Midi sound systems and sound with the TV.

PCB design and component layout:

PCB for the 36 watt amplifier circuit

Technical Specifications

Output power 36W RMS under with a 4 ohm loudspeaker
Music power 70W peak to peak on 4 Ohm loudspeaker
Frequency response is around 1dB low to 28Hz and 55kHz
Input sensitivity is approximately at 130mV RMS (@36W)
The harmonic distortion may be typically measured at  0.2%
Unweighted 95dB signal-to-noise ratio (22Hz to 22kHz)

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About Admin

Hey friends, Thanks a bunch for stopping by this site! I am an engineer with a Bachelor of Engineering in Electronics and Telecommunication. One of my passions is gathering information from all sorts of electronics books and tutorials. I then take that information and compile it into a language that is super easy to understand. My goal is to make those complex electronics circuit concepts and technical terms much more accessible for all the new and budding electronics engineers out there. I can also design customized circuit diagrams as required by the users.
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