Plural level beam-forming network

Details Plural level beam-forming network Plural level beam-forming network

H - Electricity

01

Q

363/11, 343/3, 3

H01Q 25/00 (2006.01) H01Q 21/22 (2006.01) H03F 3/60 (2006.01)

Patent

CA 1301311

PLURAL LEVEL BEAM-FORMING NETWORK ABSTRACT A beam-forming network (98) employs one or a plurality of first transmission delay lines (168, 170, 172, 174) for receiving transmit signals (T1-T4) applied thereto, and a plurality of second transmission lines (176), which serve as line summers. Each of the first transmission delay lines has first and second portions (168a, 168b; 170a, 170b; 172a, 172b; 174a, 174b) spaced apart from one another so as to define first and second levels displaced from one another. The set of second transmission lines (176) are arranged in first and second subsets (176a, 176b) which are respectively disposed adjacent to the first and second levels and respectively associated with the first and second portions of the first lines, such that the first subset of second lines is coupled to the first portion of the first lines, and the second subset of the second lines is coupled to the second portion of the first lines. Further, selected ones of the first subset of second lines are disposed adjacent to selected ones of the second subset of second lines in order to facilitate simple and orderly routing of transmission lines (126, 128, 130) between the beam-forming network and a novel equal power amplifier system (100) described herein.

562370

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