Title :
A compact ring-style 8-port comparator circuit using coupled lines
Author_Institution :
Microwave Dev. Lab. Inc., Natick, MA, USA
Abstract :
A ring-type eight-port comparator circuit which has a circumference of only one wavelength at midband is described. It consists of a symmetrical arrangement of four coupled line sections etched on the top and bottom surfaces of a thin circuit board. All ports are external to the ring
Keywords :
comparators (circuits); radar equipment; waveguide couplers; compact ring-style 8-port comparator circuit; coupled line sections; coupled lines; etched sections; symmetrical arrangement; thin circuit board; Azimuth; Coupling circuits; Etching; Phase shifters; Power combiners; Printed circuits; Radar; Symmetric matrices; Transmission line matrix methods; Transmission line theory;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on