What are the applications of JFET (junction field effect transistor)?

Applications:

There are some important applications of JFET which are given below,

The JFET is used as a constant current source.
The JFET is used as a buffer amplifier.
The JFET is used as an electronic switch.
The JFET is used as a phase shift oscillator.
The JFET is used as high impedance wide band amplifier.
The JFET is used as a voltage variable resistor (VVR) or voltage development resistor (VDR).
The JFET is used as a chopper.
It is used for High Input Impedance Amplifier.
It is used as a chopper.