It has a maximum gain value of 400; this value determines the amplification capacity of the transistor normally S8050.
![]() When base current is removed the transistor becomes fully off, this stage is called as the Cut-off Region. It is very simple to construct and requires two identical complimentary transistors operate. By complimentary it means that we need a NPN transistor and its equivalent PNP transistor. Like here the NPN transistor will be S8050 and its equivalent PNP transistor will be S8550. A simple circuit diagram of the Class B amplifier with the using the S8050 is shown below.
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