FET Common Source Amplifier is a key building block in analog electronic circuits. Its high voltage gain, simplicity, and versatility make it widely used in signal amplification across numerous applications. However, careful design considerations such as biasing, impedance matching, and frequency response are crucial to optimize its performance for specific applications. Study of Voltage Gain and Frequency Response of a Common Source Amplifier. Instrument comprises of DC Regulated Power Supply, Circuit diagram is printed, components mounted on the front panel.