To begin with, this Transistors Based Megaphone Circuit uses transistor like amplifier, as it take weak sound from MIC and makes loud sound in speaker. People also use it in public talks, sports events and rallies wherever they need a loud voice; the circuit additionally uses two TIP32 transistors in a push-pull configuration to boost […]
Amplifier Circuits
Subwoofer Low Pass Filter Circuit using Op-Amp TL062
Subwoofer Low Pass Filter Circuit using Op-Amp TL062 that let low sound go and block high sound, also this circuit is good for subwoofers which gives deep and strong bass. The circuit uses TL062 op-amp which is active for low pass type and it cut high sound and keep bass clean and loud. Also, STMicroelectronics […]
Car Stereo Amplifier Circuit using IC TDA1553
Car stereo amplifier is very important, as it makes sound signal strong and give power to speaker so they work good. Also, the IC TDA1553 chip gives this car stereo amplifier circuit strong Class B amplification; designers developed this compact chip for car radios and it performs well while requiring only a few external components. […]
Designing a 24W Power Amplifier Circuit using IC TDA1516
TDA1516 is Class B power amp in 13-pin SIL package and it is good for many audio jobs also, it has safety features like short circuit, overheat and reverse polarity protection. Furthermore, in BTL mode it gives 24W to 4 ohm speaker and this Designing a 24W Power Amplifier Circuit using IC TDA1516 is great […]
Designing a 20W Audio Amplifier Circuit using IC LM1875
IC LM1875 is nice audio power amp which works very good and is very efficient, as it gives 20W power with few extra parts. The sound is clear with low distortion and is good for many audio uses, also the circuit is good for small home audio, powered speaker, music instrument amplifiers. In this post […]
150 Watt Audio Amplifier Circuit using Transistors
Amplifiers play a useful and important role in audio systems, as they give power to speakers and keep sound good; also, this 150 Watt Audio Amplifier Circuit using Transistors gives 150W output. Moreover, it uses two Darlington transistors like TIP142 and TIP147 and it is good choice and works well with low cost and is […]





