Radar sector blanker

Details Radar sector blanker Radar sector blanker

1993-06-07

1994-03-15

Hellner, Mark

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

With particular circuit

G01S 1300

Patent

active

052949362

ABSTRACT:
A radar sector blanker comprises an analog-to-digital converter and a sec controller unit. The analog-to-digital converter receives the analog synchro voltages describing the positioning of a radar antenna and changes these voltages into binary-coded decimal (BCD) information. The sector controller unit comprises a portable housing, a controller system, and a power supply. The controller system includes an OFF comparator circuit, an ON comparator circuit, an S-R latch, and a solid-state switch. Each comparator circuit comprises three cascaded transistor-transistor logic (TTL) integrated chips. The power supply gives a direct-current voltage to the solid-state switch and the TTL chips. The sector blanker blocks transmission for a pre-determined rotational region or sector of a radar system.

REFERENCES:
patent: 2535266 (1950-12-01), Chance
patent: 2959737 (1960-11-01), Simopoulos
patent: 3039090 (1962-06-01), Donovan
patent: 3050726 (1962-08-01), Laurent
patent: 3278936 (1966-10-01), Wolf
patent: 3394372 (1968-07-01), Schrader
patent: 4584578 (1986-04-01), Brauns et al.
patent: 4660042 (1987-04-01), Ekstrom
patent: 4868574 (1989-09-01), Raab

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