N° of component 

Half Watt Transistor Amplifier (CB1315E)

     This 0.5W amplifier was found in a publication of the 1980s. The output transistors can be the BD135 and BD136 and the power is made with 6 V. The gain is 50 dB and the input resistance is 50 k ohms. With BD pair the circuit can still operate at higher voltages.





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