This simple circuit was a presented,it can give power output about 1 watt, when connected to a power supply 9 volt. The advantage of this circuit is that it uses a dual darling ton to increase the size as much as of input impedance about 20 Meg ohm. This circuit unlike other circuits,the input impedance [...]
This is an audio amplifier that can be used with a small 9 volt Battery Operated,Current use as little as 5 milliamps.And amplification up to 500 mW. Which is sufficient to expand the sound from a sound about or the CD Walk Man out to the small speakers clearly. When entering the power supply 9-volt [...]
This circuit number LM386 IC is used as the IC, which is popular is that it has. It is a simple circuit. Less equipment items. Suitable for use or used in small trials. The properties of the IC can be used from 4V-12V power supply for low current at 50 mA only. And the frequency [...]
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