15w class b audio amplifie0r


Posted on Feb 7, 2014

The 15 w class B audio amplifier circuit shown here is a simple class B audio amplifier based on TL082 op amp, TIP41 and TIP42 transistors. LM833 is a dual amplifier with high scanning speed and low distortion designed specifically for audio applications. This audio amplifier circuit can provide 15 watts of audio output to a 8-12 ohm speaker with


15w class b audio amplifie0r
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a supply voltage of + /-12V DC dual power. Below is a circuit diagram of class B 15 Watts audio amplifier is designed using a dual op-amp and transistor. The 15 W class B audio amplifier circuit shown here is a simple class B audio amplifier based onLM833 op. Description of electronic assembly LM4880 is a dual audio HiFi amplifier IC from National Semiconductor. This headphone amplifier circuitis specifically designed to produce high quality audio output with aminimum amountof components. LM4880integratedcircuitcapable of delivering250mWper channelinto8ohmload. IChas aTHDof 0. 1%andhas avoltage range of2. 7Vto5VDC. In thecircuit shownabove, the resistorsR1andR2arethe feedbackresistor. C4andC5areDCinputdecouplingcapacitor. FilteringcapacitorC3providepowerand reducenoise. The amplifierautomatically shuts offwhena lowlogiclevelis givento the shutdownpin(pin5). The capacitorC6isworkingathalf-supplyfiltering. Hi.




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