Phased array scanning system

Details Phased array scanning system Phased array scanning system

1986-08-11

1988-03-15

Blum, Theodore M.

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

Directive

Including a steerable array

343757, H01Q 326, H01Q 300

Patent

active

047316144

ABSTRACT:
In an electronically scanned phased array capable of operating at millimeter wavelength frequencies, phase control is implemented through the superposition of orthogonal phase functions via a distributed mixing process at IF frequencies. When the elements of the array are replaced by mixers, and the distribution network operated at LO and IF frequencies, the number of phase shifters required is reduced from M.times.N to M+N and lower frequency technology is used.

REFERENCES:
patent: 3307188 (1967-02-01), Marchetti et al.
patent: 4490721 (1984-12-01), Stockton et al.

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