Antenna array having apparatus for producing time-delayed...

Details Antenna array having apparatus for producing time-delayed... Antenna array having apparatus for producing time-delayed...

2006-01-24

2006-01-24

Lee, Benny T. (Department: 2817)

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a steerable array

C333S164000

Reexamination Certificate

active

06989788

ABSTRACT:
A scanned antenna array includes time delay stages each having at least one time delay sub-circuit. Each time delay sub-circuit includes a sub-circuit input, a sub-circuit output, a first delay line, and a second delay line. A first diode switch connects a first end of a selected one of the first and second delay lines to the sub-circuit input. A second diode switch connects a second end of the selected one of the first and second delay lines to the sub-circuit output. The sub-circuit output is connected to one of another time delay sub-circuit or to an output of the time delay stage. A respective transmit/receive (TR) module is coupled to an output of each time delay stage and issues a TR module output signal. A plurality of antenna elements radiate an output signal received from the corresponding TR module.

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