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Cx-6 – RF Equipment Protection up to 6GHz

Marcom - Defence and Security Solutions   →  CEIA – RF Equipment Protection up to 50kW   →  Coaxial & RF Protection   →  Cx-6 – RF Equipment Protection up to 6GHz

COAXIAL & RF PROTECTION FOR HF TRANSCEIVERS, HF RECEIVERS & VHF TRANSCEIVERS

RF Equipment Protection up to 6GHz

Novaris gas discharge surge protectors are capable of passing RF signals to 6GHz (limited by connector type). N-type female / female surge arrester are suitable for bulkhead mounting.

Novaris is well known for developing surge protection solutions for specific customer applications around the world. To achieve this we rely on a solid understanding of the environment and requirements for each project. This feeds from our consultative approach to surge protection.
A recent example of this was a custom solution developed for a telecoms company in Sri Lanka. The remote mobile sites were exposed to a large amount of surge activity combined with grid instability.
Some of the key factors that were taken into consideration were:
– Providing a multilayered protection approach for redundancy and performance
– Ensure minimal residual voltage during a surge event
– Allowing for temporary overvoltages (TOV) without surge protection failure
– Protect against line to earth failures
– Provide all of the above without having to resort to a large scale site filter

Novaris gas discharge surge protectors are capable of passing RF signals to 6GHz (limited by connector type). N-type female / female protectors are suitable for bulkhead mounting. Product Codes: CN-MF-90-6, CN-FF-90-6, CN-MF-230-6, CN-FF-230-
  •  Maximum discharge current (8/20µs): 20kA
  • Power rating: 0 – 40W, 40 – 125W
  • Maximum working frequency: 6GHz
  • Modes of protection: Signal-Earth
  • VSWR: <1.1:1
COAX 6GHz DATASHEET
INSTALLATION DATASHEET

STANDARDS COMPLIANCE

  • ITU-T K.44
  • AS/NZS 1768
  • IEEE C62.41
  • IEC 61643-21
  • UL497B

APPLICATIONS

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MF/HF ANTENNAS
MF/HF antenna

The purpose of this paper is to estimate the reliability of Novaris coaxial lightning protectors / surge arrester. This analysis is a valuable tool to assist in planning the economics and repair of coaxial protectors.

The reliability prediction for a Novaris lightning protector/surge arrester is calculated as the sum of a single connector pair (representing the input and output half connectors) and a protection component (required for the Gas-Discharge- Tube (GDT) based 3GHz and 6GHz series).

Novaris coaxial lightning protectors.
This analysis is a valuable tool to assist in planning the economics and repair of coaxial protectors/surge arrester. Novaris protectors are exceptionally long lifetime devices, with lifetimes of over 10 million to billions of hours (Equating to a typical annual failure rate of 0.023%/year to an even less 0.00054%/year). Without a lightning protection device installed, the risk of equipment damage from lightning ranges from a few precent up to 100% per year. Therefore, adding a high quality Novaris lightning protector will result in negligible additional equipment failure rates when compared to the level of damage that is prevented.
The reliability prediction for a Novaris lightning protector is calculated as the sum of a single connector pair (representing the input and output half connectors) and a protection component (required for
the Gas-Discharge- Tube (GDT) based 3GHz and 6GHz series). Note that the CStub series are quarter wave stub based protectors and therefore do not use such a component. The Novaris Coaxial Surge Protector analysis assumes GDT maintenance is sufficient to eliminate 80% of the GDT component failures.
Also, this analysis is for the Novaris protectors only. Due to the extensive military qualification of Novaris products, we use MIL-STD quality factors. Please add the mating connector halves with the
appropriate quality factor for the cable connectors mating to the Novaris Coaxial Surge Protectors.
Installation:

The integrity of the installation should be veri¿ed by measuring the return loss and/or VSWR of the completed cable run.
Novaris RF coaxial surge protectors are extremely robust.
Provided installation is performed correctly, Novaris coaxial cable protectors are virtually maintenance free.
Periodic inspection of connections and weatherproofing is recommended.
A protector fault may be indicated by excessive VSWR / return loss, low resistance between the inner and outer conductors or intermittent degradation of system operation.