• NMHC 4MM, 4:1 Balun Used with 419 NJ
  • NMHC 4MM, 4:1 Balun Used with 419 NJ
  • NMHC 4MM, 4:1 Balun Used with 419 NJ

NMHC 4MM, 4:1 Balun Used with 419 NJ

  • Small biconical antenna
  • 20 - 220 MHz
  • Used for ISO 11452-9 Annex C.5
  • used with 419 NJ Flat Elements
  • 30 W

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Data Sheet

SPECIFICATIONS

 

NMHC 4MM, 4:1 Balun Used with 419 NJ

Low Loss Broadband Balun 4:1 with female N-Connector for receiving and transmitting applications in the VHF frequency range. The main application of the NMHC 4 MM is the immunity test against handheld transmitters according to ISO 11452-9 (Annex C.5) in the frequency range between 20 MHz and 220 MHz with the flat elements 419 NJ. The flat elements can be exchanged without any tools using knurled M4 screws. 

 

Specifications:  
Frequency Range, nominal: 20 MHx - 220 MHz
Frequency Range, Usable: 50 kHz - 300 MHz
Nominal Impedance: 50 Ω
Standing Wave Ratio SWR typical: (symmetrical termination 200 ?) < 2
Balun (low loss): 4:1, 200 Ohm sym. : 50 Ohm unsym
Width x Length x Height: 75 x 322 x 28 mm
Antenna shaft (Tube): ø 22 mm
Total weight: 300 g
Power (EMC TX): 30 W (40W max)
Coaxial Connector: N - female

 

 NMHC VSWR

 

NMHC 4mm Balun Transmission
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