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VHF BI-BIII Combiners (Ready for Digital)

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Description

Electrolink can supply a wide range of combiners for the entire international broadcasting frequency VHF Band I (54MHz – 88MHz) & Band III (140MHz – 270MHz), allowing you to combine different signals into one antenna.

With 5 cavities or 6 cavities Filters (Digital Ready)

Among the most important parameters are inputs isolation, return and insertion loss.
Since each combining system is different, we analyze, design and develop a custom product to provide flexible solutions.
Only the highest quality components are used to ensure stable and trouble-free performance.

Each Combiner can be used for ANALOGUE Transmission and DIGITAL one as well (only with 6/8 cavities filters) for all the digtal standards: DVB-T/T2 – ATSC – ISDB-Tb

VHF COMBINERS:
VHF STARPOINT Combiners (Min Frequency Distance: 1 Channel)
DUAL-BRIDGE Combiners (Adjacent Channels combination)
STRETCH-LINE Combiners (only on request)
Mixed Configuration Combiners (made of DUAL-BRIDGE, STARPOINT and STRETCH-LINE)

KEY FEATURES

  • Flexible and compact
  • Light alloy and brass construction Temperature stabilised
  • Square cavity at high mechanical stability
  • Retunable
  • Thermic stabilization carried out with INVAR
  • Mounted in every position
  • Natural convection cooling
  • Fine tuning
  • Silver superficial treatments and outer painting

Technical Features;

IN/OUT Impedance 50OHM
Frequency Range (VHF BI) 54MHz – 88MHz
Frequency Range (VHF BIII) 170MHz – 240MHz
Input Power (per channel) (VHF BI) up to 20kW depending on models
Input Power (per channel) (VHF BIII) up to 40kW depending on models
Insertion Loss Depending on models
Return Loss Depending on models
STARPOINT Min. Frequency distance 1 TV Channel (6/7/8 MHz bandwidth)
DUALBRIDGE Min. Frequency distance Adjacent Channels (6/7/8MHz bandwidth)
Temperature Range 30ºC to +45ºC