Question: microelectronics circuit design BJT transistor First, Power supply's voltage (Vcc) is 12V second, input signal generated by microphone's peak voltage is 10mV , 20Hz -

microelectronics circuit design BJT transistor

First, Power supply's voltage (Vcc) is 12V

second, input signal generated by microphone's peak voltage is 10mV , 20Hz - 2KHz

third, microphone's output impedance is 10000ohm ( 10Kohm )

fourth, Speaker's resistance is 8 ohm

fifth, the peak current in speaker is 0.16A

sixth, the microelectronics circuit design BJT transistor First, Power supply's voltage (Vcc) is 12V of the transistors used is 100. the second, input signal generated by microphone's peak voltage is 10mV , 20Hz of the BJT transistor used in the output stage is 50.

microphone -> butter amplifier ( Emitter follower ) -> gain ( use 2 CE stage that cascade ) -> butter amplifier ( Emitter follower ) -> speaker

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