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...
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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...
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Transistor Amplifier Circuit-12 Watts

jacky February 23, 2011 4 Comments
12 Watts Transistor Amplifier Circuit Description. The circuit shown below is not at all expensive as the amplifier contains only an op-amp and four transistors (easily available from your electronics junk box).Here the op-amp used is uA 741 which...
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Tweeter Crossover circuit

admin February 23, 2011 10 Comments
Tweeter Crossover Circuit Description A single coil speaker is not good in handling high and low frequency at the same time. If we could filter out the low frequency and play it through a tweeter ,it will produce more...
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Audio Distortion Meter

admin February 23, 2011 1 Comment
Audio Distortion Meter Description Here is a simple 1KHz audio distortion meter that can measure the Total Harmonic Distortion (THD) on any load at any out put power.Here you have the option to select 2,4,8 or 16 Ohm loads....
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Audio Wattmeter Circuit

admin February 23, 2011 4 Comments
Audio Watt Meter Description This is an easy trick to measure the output of an amplifier.Here resistor R2 acts as the load for for the amp and it should be able to withstand twice the maximum power of the...
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Musical light chaser circuit

admin November 15, 2011 34 Comments
Musical Light Chaser Description Here is a simple state of the art musical chaser circuit that can be used in discotheques or even at home if you are a little music crazy . The working of the circuit is...
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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...
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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...
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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...
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