FET is a resistor whose resistance value is controlled by the potential
applied to the control terminal termed as Gate. The conducting region is called a
channel which may be either p type or n type based on the substrate used. The channel
conductivity mainly depends on the gate region. I-V characteristics are expressed in
a detailed manner with necessary equations. JFET parameters are another crucial
factor to understand its characteristics. The small signal model of JFET is illustrated
in a very lucid manner.
Keywords: Structure, Structure, Working principle, I-V Characteristics.
