T E C H N I C A L I N F O R M A T I O N F R O M T H E - h p - L A B O R A T O R I E S
VOL. 3 No. 7-8
UBLISHED 1952 THE HEWLETT-PACKARD COMPANY, 395 PAGE MILL ROAD, PALO ALTO, CALIFORNIA MARCH-APRIL, 1952
A Precision Directional Coupler Using
DIRECTIONAL couplers have been used auxiliary guide is termed the "directivity"
widely in wave guide applications for of the coupler.
such purposes as monitoring power|