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Slot single- channel antenna of IV-V ranges “Slot

i0081arpPURPOSE AND STRUCTURE

Antenna is used for TV broadcasting at one of the channels of IV-V TV ranges.

Constructively antenna represents a vertical slot aerial array, made on the pipe of a small-scale diameter. From external actions a slot antenna array is protected by radio transparent covering. Antenna is installed on the top of a tower, roof of a high building. If necessary, antenna can be installed on the band of the bearing (tower) by means of brackets.

In order to give to the antenna direction in horizontal surface reflector is used. Amplification constant of the antenna increases approximately at 2 dB.

Lightning protection is secured by direct bonding in direct current of the antenna with the earthing loop of the bearing.

 

DD in horizontal surface                                                    DD at vertical surface

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TECHNICAL CHARACTERISTICS

Characteristic

 

Modification of the antenna
Slot-1Slot-2Slot-3Slot-4
Frequencies range, MHz470 – 790
Band of working frequencies, MHzwithin the range
VSWR in the band of working frequencies 

less or equal 1,2

PolarizationHorizontal
DD at horizontal surfaceCircular or directed
Feed impedance, ohm50 (75)
Input connectorUpon customer’s choice
Quantity of slots1248
Amplification constant relative to isotropic radiator under circular DD, dB5

 

8

 

11

 

14

 

Total input capacity, kW0,5125
Height of antenna, mm750-11501250-19002250-34004000- 6200

 

 

OJSC "GDB "Luch" 2015

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