For signals outside the frequency range sup-
ported, this arrestor type galvanic short circuit.
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Chapter The internal lightning protection system
. These arrestors are band-pass
filters that only pass frequencies within specific
range.
Coaxial surge protective devices with gas-discharge
protector
The first type coaxial surge protective devices with a
gas-discharge tube.
Surge arrestors with Lambda/4 technology
The second variant the surge arrestor with
Lambda/4 technology. They can therefore used a
wide range applications. Due to
the capacity the gas-discharge tube they are
however limited their bandwidth: the cut-off fre-
quency currently around GHz. For example, no
Wi-Fi signals according the 802.
Suitable arrestors for these applications include the
DS coaxial surge arrestor from OBO Bettermann.
These offer optimal transmission behaviour with low
damping values and are connected series the
transmission path.11n standard with
a frequency 5. They are available for virtually
all plug systems.
The advantages this technology are its support for
frequencies around GHz, and its very low
protection level approximately They also re-
quire virtually servicing because they not use a
gas-discharge protector.TBS
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Coaxial surge protective device with gas-discharge pro-
tector
Coaxial surge protective device with Lambda/4 techno-
logy
These sensitive, high-frequency systems need be
protected from lightning currents and surge voltages. Coaxial arrestors come two types:
With either gas-discharge protector and Lambda/4
technology.9 GHz can transmitted. These enable transmission from a
frequency (DC).
The disadvantages these devices are that not
possible transmit supply voltage along the sig-
nal line, and their scope application generally lim-
ited just one application, depending whether the
necessary frequencies lie within the frequency range
supported. The gas-discharge tube
can additionally replaced case defect. They are available for all standard
connections
