2 x 32 Watts stereo amplifier

jacky March 8, 2011 56 Comments
Description. The circuit given here is of a 2 x 32 Watt stereo amplifier using the famous TDA2050V IC from ST Microelectronics. The TDA2050V is an integrated monolithic 32 watt class AB audio amplifier IC available in the Pentawatt package. The IC has lot of good features like low distortion, short circuit protection, thermal shut down etc. Two TDA2050V ICs are used here, one for each channel. For each channel the input audio signal is fed to the non-inverting...
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4 X 15 Watt power amplifier

jacky April 7, 2010 10 Comments
Description. A lot of electronic circuits in the domain of audio amplifiers are already been published here. This circuit is a little different because it is a four channel amplifier. Each channel of this amplifier can deliver an output of 15Watts into a 4 ohm speaker. The amplifier can be operated from a single 12V DC supply and this makes it possible to use this amplifier in car audio applications too. The circuit is based on the 15W BTL...
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Op Amps-Operational Amplifiers

jojo February 17, 2014 No Comments
Introduction to Operational Amplifiers In this post, the basics of an operational amplifier (generally abbreviated as op-amp) will be analysed along with its block diagram, basic structure, symbol, types and a detailed explanation of the typical op-amp. What is an operational amplifier (op-amp)? An op-amp is a multi-stage , direct coupled, high gain negative feedback amplifier that has one or more differential amplifiers and its concluded with a level translator and an output stage.A voltage-shunt feedback is provided in...
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150 Watt Amplifier Circuit – DIY Guide to Build Amplifier

admin August 11, 2018 1,072 Comments
Low Cost 150 Watt Amplifier Circuit In this project, we’re building a simple 150 watt amplifier circuit. Description This is the cheapest 150 Watt amplifier circuit you can make,I think.Based on two Darlington power transistors TIP 142 and TIP 147 ,this circuit can deliver a blasting 150 W Rms to a 4 Ohm speaker.Enough for you to get rocked?;then try out this. TIP 147 and 142 are complementary Darlington pair transistors which can handle 5 A current and 100V...
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Hi Fi Amplifier circuit

admin February 24, 2011 7 Comments
Hi Fi Amplifier Circuit – 2X12 Watts Description. Here is the circuit of a 2X12 watt H iFi  amplifier circuit using IC TDA 2616 from Phillips.A quiet simple and robust circuit using very less components.This makes the circuit ideal for a portable power amplifier.The circuit delivers 12 Watts power on  8 Ohm speaker for each channel at +/- 12 V dual supply. The TDA2616 is a  stereo power amplifier IC comes  in a 9-lead single-in-line (SIL9) plastic power package...
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Mini Audio Amplifier circuit

admin February 24, 2011 30 Comments
Mini Amplifier Circuit Description Here is a simple and humble 2 Watts mini audio amplifier circuit suitable for small pocket radios and other portable audio gadgets.The circuit is based on Phillips Semiconductors IC TDA 7052.The amplifier can be run even from a 3V Mercury button cell.This makes it ideal for battery operated gadgets. The IC TDA7052 is a mono output amplifier coming in a 8-lead DI package (DIP). The device is mainly designed for battery-operated portable audio circuits. The...
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Power Amplifier Circuit using TDA2009

admin July 18, 2011 10 Comments
Power Amplifier Circuit – 25 Watts Description Here is the diagram of a 25 Watt power amplifier circuit made of  TDA 2009 IC.TDA 2009 has two channels each rating 12.5 watts on 4 Ohm load.Here the two channels are bridged to get a single out put channel weighting 25 W. TDA 2009 IC has also built in features such as short circuit protection,thermal protection, overload protection etc using very low external components.The most interesting factor I see about this...
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Mosfet Amplifier Circuits

admin April 27, 2011 27 Comments
This article lists various types of audio amplifier circuits using Mosfet.We have tested all these circuits in our lab and we found all of them performing satisfactorily. Note: This article will be modified with new versions of Mosfet amplifier circuits in future;we shall notify new additions in our home page. This article contains following list of amplifier circuits using Mosfet. List of Circuits 1. 18 Watts Mosfet Amplifier 2. 10 Watt Mosfet Audio Amplifier 3. 50 Watt Mosfet Amplifier...
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Simple Amplifier Circuit

admin April 27, 2011 13 Comments
19 Watts Simple Amplifier Circuit Description This is a 19 watt simple amplifier circuit diagram using IC LA4440 from Sanyo.It uses very less components other than the IC LA4440.A very high quality circuit with respect to its cost and ideal for beginners. Here IC LA 4440 is wired as a bridge amplifier to deliver a 19 W Rms on a 4 Ohm speaker. The IC has built in thermal, over voltage and short circuit protection.The IC also incorporates a...
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