JUNCTION FIELD EFFECT TRANSISTOR (JFET) is a unipolar voltage controlled device. Because Drain current is controlled by the voltage applied to gate-source terminal.
Likewise in Transistors, JFET amplifiers can also be setup in the three configurations namely, Common Drain, Common Source and Common Gate.
Common source configuration is almost similar to Common emitter configuration of BJT's (Common Emitter RC Coupled Amplifier). JFET can also be biased as Voltage Divider or Self Bias.