BJT

Aim:

• To simulate the operation of a transistor used as a switch.

• To simulate the behavior of a transistor working as an amplifier.

• To simulate the design and functionality of a voltage divider circuit.

APPARATUS :

TRANSISTOR AS SWITCH 

CIRCUIT DIAGRAM

TRANSISTOR AS AMPLIFIER 

CIRCUIT DIAGRAM 

NATURE OF GRAPH 

VOLTAGE DIVIDER 

CIRCUIT DIAGRAM 

NATURE OF GRAPH 

BASE OR FIXED BIAS 

CIRCUIT DIAGRAM  

NATURE OF GRAPH   

Conclusion and Results

Conclusion:

Transistors are highly adaptable components used in a wide range of applications, including switches, amplifiers, and voltage divider circuits. In switch mode, they enable or block current flow; in amplifier mode, they boost weak signals; and in voltage divider circuits, they assist in controlling or sensing voltage levels. Proper biasing and appropriate selection of components are essential for ensuring the desired functionality and efficiency of these circuits. These versatile applications demonstrate the usefulness of transistors in both digital and analog systems.

Results:

• In switch mode, the transistor effectively controls the flow of current by responding to the base current.

• In amplifier mode, it successfully enhances small input signals into larger output signals.

• As part of a voltage divider circuit, the transistor regulates the output voltage based on its conduction state.