Amplifier – Simulation and Results

First started with constructing constant current source using PNP transistor with 9V supply voltage.

CONSTANT CURRENT SOURCE:
1

 

 

 

 

 

 

voltage reading:    3.32V                                               current reading:332mA

43

AMPLIFIER:
Added one more transistor on NPN in the circuit with the same supply voltage of 9V and input signal of 0.2V.

Schematic diagram:
6

Simulation Result:

b

 

 

Red –> Amplified Output Voltage

Green –> Input Voltage

 

 

 

Schematic diagram:

In order to increase the gain of the Amplifier, added one capacitor C1 parallel with R6 resistor.

5

Simulation Result:
c

Red –> Amplified Output Voltage

Green –> Input Voltage

 

 

 

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