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Airborne

MT-221014/TV
20-1250 MHz DF BLADE ANTENNA
ELECTRICAL
FREQUENCY RANGE 20-1250 MHz
VSWR 2.6:1 (max) for 100 to 1250 MHz (80% of the band)
3.5:1 (max) for 100 to 1250 MHz (20% of the band)
3:1 (max) for 30 to 100MHz
3.5 :1 (max) 20 to 30 MHz)
POLARIZATION Vertical
ELEVATION PATTERN +25° ,-10° (without nulls )
AZIMUTH RIPPLE +/1 dB (20 to 100 (MHz)
+/-2 dB (100 to 500 ( MHz)
+/-2.5dB (500 to 1200(MHz)
+/- 3dB (1200 to 1250 MHz)
AZIMUTH PATTERN OMNI Directional
POWER 10W CW, 1KW peak
INPUT IMPEDANCE 50 (ohm)
LIGHTNING PROTECTION DC Grounded
PHASE TRACKING BETWEEN ANY TWO ANTENNAS ± 3° for 20 to 150 MHz
±4° for 150 to 1250 MHz 90% of the band
±7° for 150 to 1250 MHz 10% of band
MONOTONIC PHASE TRACKING There will be no fast ripple change.
There will be less then 12 sine waves over 20-1200MHz
MECHANICAL
DIMENSIONS (LxWxD) 327 x 317.5 x 118.4 mm (max)
CONNECTOR TNC-Type female
WEIGHT 4.63lb (max)
RADOME MATERIAL Fiberglass
COLOR Polyurethan Per MIL-C - 83286 GRAY 36375 Per FED-STD-595
BASE PLATE MATERIAL Aluminum with chemical conversion coating
ENVIRONMENTAL
TEST STANDARD DURATION TEMPERTURE NOTES
LOW TEMPERATURE MIL-STD-810 METHOD 501.3 PROC. I & II 24 h -54°C
HIGH TEMPERATURE MIL-STD-810 METHOD 501.3 PROC. I & II 96 h +85°C
TEMPERATURE / ALTITUDE MIL-STD-810C METHOD 504.2 PROC. I 33H

- 57 to  - 85 ° C 40,000 ft

 

TEMPERATURE

SHOCKING

MIL-STD-810E METHOD 503.3   -45°C +85°C  3 Cycles
VIBRATION MIL-STD-810D METHOD 514.3 CAT. 4 3*1 hours per axis

Li=0.6 g²/Hz

F1-68 Hz 

 
SHOCK MIL-STD-810D METHOD 516.4 PROC I

11

msec /axis

 3 x 20 g/axis
HUMIDITY

MIL- STD-810E METHOD 507.3 PROC. I

98% RH at 45ºC

 240 h

98%

10 Cycles

of 24 hours 
ACCELERATION

MIL-STD-810E METHOD 513.4 PROC. I

13.5 g at al axes

    

 

SALT SPRAY MIL-STD-810E METHOD 509.3 PROC. I 48 h 5% NaCl  
SIDE PRESSURE     6 PSi  
SAND MIL-STD-810E METHOD 510.3 PROC. II      
DUST MIL-STD-810E METHOD 510.3 PROC. I      
SOLAR RADIATION  

MIL-STD-810E

Method 505.3 Proc.I  		   

7 Cycles

of 24 hours
WIND SPEED   0.85 mach @ sea level    
RAIN   30 mm 

10 cm/hr

18 m/sec  		Each side 
FUNGUS

MIL-STD-810E

Method 508.4 		      
ENDURANCE

MIL-STD-810D

Method 514.4

Fig. 514.4-7 (a) 

3 x 1 hour

per axis 

L1=2.4 G²/Hz

F1=687Hz 		  

 

GAIN vs. FREQUENCY

 

F(Mhz)

G(dBi)

20

-38

30

-28

40

-27

60

-21

80

-14
108 -10
136 -3
174 0
225  1
400 - 1200  > 0
1200 - 1250  -1

 

 

 

 

 

Azimuth Radiation Pattern Midband

 Freq. 0.225 GHz

Elevation Radiation Pattern Midband

Freq. 0.225 GHz

 
 

  

 

WAIVER!

While the information contained in this document has been carefully compiled to the best of our present knowledge, it is not intended as presentation or warranty of any kind on our part regarding the fitness of the products concerned for any particular use or purpose and neither shall any statement contained herein be construed as a recommendation to infringe any industrial property rights or as a license to use any such rights. The fitness of each product for any particular purpose must be checked beforehand with our specialists.

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