Digitally controlled phase shift method and digitally controllable continuously variable length delay line phase shifter circuit

摘要

An all digitally controlled self calibrating delay line method and apparatus which simulates an infinitely long delay line by continuously identifying the terminal at a physical position in said delay line (ESP) which is the exact location at which a signal traversing said delay line is phase shifted 360 degrees in relation to said phase detector input and means for connecting the said ECP terminal to the first stage of said delay line. IMAGE