0 to 360 Phase Shifter

This a 0 to 360 shifter circuit. This circuit consist of two stage phase shifter which each of them provides 0 to 180 phase shift. This circuit uses the 2N3070 JFETs because the phase shift networks are not loaded by them. Here is the circuit :

0 to 360§ Phase Shifter

[Source: National Semiconductor Application Note]