UBAA 9115 + Elements, 30 - 1200 MHz, High Symmetry Biconical Antenna

  • UBAA 9115 antenna holder/balun in combination with required elements:
    • Biconical Elements: BBVU 9135, BBUK 9139
    • Open-Cone Elements: BAOC 9216, BBOC 9217
  • Extremely high symmetry, 4:1
  • 30 - 1200 MHz, 5 W, RX

MARKETS:

TEST STANDARDS:

Data Sheet BBVU 9135 + UBAA 9115

Data Sheet BBUK 9139 + UBAA 9115

Data Sheet UBAA 9115

VSWR Plot

SPECIFICATIONS

 

UBAA 9115(Balun) + a Selection of Elements, 30 - 1200 MHz, High Symmetry Biconical Antenna

  • UBAA 9115 antenna holder/balun in combination with required elements:
    • Biconical Elements: BBVU 9135, BBUK 9139
    • Open-Cone Elements: BAOC 9216, BBOC 9217
  • Extremely high symmetry

The 4:1 Balun/Holder UBAA 9115 can accept both biconical elements (e.g. BBVU 9135 or BBUK 9139) and open cone elements (e.g. BAOC 9216 and BBOC 9217). The balun was specially designed to achieve an extremely high degree of symmetry, which is very important at lower frequencies. In contrast to a 1:1 balun the 4:1 balun provides a better antenna factor at low frequencies and an improved bandwidth, though small elements are used. The wide bandwidth and the fixed center of radiation help to make convenient measurements without antenna changes. Thanks to the small size UBAA 9115 can be used as a passive field sensor. Reduced Losses (with also good symmetry) can be achieved with the balun/holder UBAA 9114. The dimensions and element fixtures of both baluns are identical in order to accept the same elements.

The high symmetry balun UBAA 9115 is most often used with the compact biconical elements BBVU 9135 or BBUK 9139. The biconical antenna is especially valuable for convenient broadband evaluations of anechoic chambers or open area test sites. In combination with the battery driven spectrum generator SG 9301 or the pulse generator IGUF 2910, a portable reference radiator is available, which can also, be used for test site assessments.

 

Specifications:  
 Frequency Range, nominal:  30 - 1000 MHz
 Frequency Range, usable:  20 - 1200 MHz
 VSWR, f > 300 MHz, via 3 dB pad:  < 2
 Antenna Factor: 
 (depending on elem. type in use)
 18 - 23 dB/m
 Power (EMC TX):  5 W
 Coaxial Connector:  N - female
 Total weight:  0.83 kg
   
 Antenna shaft (Tube):  22 mm
 Length holder:   LH=540 mm
 BBVU 9135 Biconical Elements   LE=444 mm, D=185 mm
 BBUK 9139 Biconical Elements  LE=330 mm, D=130 mm
 BAOC 9216 Open-Cone Elements  LE=276 mm, D=155 mm
 BBOC 9217 Open-Cone Elements  LE=390 mm, D=230 mm

 

 

 Antenna Diagram

 

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