R

adi Link

®
The replacement for Coaxial cable in EMC Applications
low loss * high dynamic range * wide band

The RadiLink® is an analog optical fibre link meant to replace coaxial cables in
emission and certain immunity test set-ups. Coaxial cables have a high loss,
certainly at higher frequencies, are hard to handle and influence chamber
characteristics. The RadiLink® brings an end to all these problems. It provides
gain instead of loss, has an extremely high dynamic range and has a flat
response over a wide frequency range.
Low loss (Gain)
Coaxial cables have a loss, which can be up to 1dB/m depending on the type of
cable and the frequency. Especially at higher frequencies and long cable lengths
used in large chambers this causes great problems. The RadiLink® provides a
small gain, solving loss problems regular coaxial cables cause.
High Dynamic Range
With regular fibre links the dynamic range is too low for use in EMC
applications. The RadiLink® provides an unprecedented 80 dB dynamic link
suitable for almost all EMC applications. In fact the high dynamic range in
combination with the low loss makes most measurement receivers perform
much better.
Wide band
Its frequency band from 9 kHz till 3 GHz makes it a perfect product for most
EMC measurements.
Cover great distances
Unlike coaxial cables fibre cables provide almost no loss. The RadiLink® has an
internal circuit allowing compensation for very long lengths. Standard the
system is delivered with a fiber optic cable set of 25 meter, but optionally this
can be extended to any length up to several hundreds of meters. This makes it
the perfect product for laboratories with large distances between the control
room and the antenna in the anechoic chamber.
Emission applications
Emission applications have typically low signal strengths. By applying the
receiving side to the antenna the maximum signal is converted in to light and
transferred to the measurement receiver without loss.
Dijkstra Advice, Research & EMC Instruments B.V.
Vijzelmolenlaan 7 – NL-3447 GX Woerden
The Netherlands
Tel: +31(0)348 41 65 92
Fax: +31 (0348) 49 97 32
Internet: www.dare.nl
E-mail: instruments@dare.nl
The Standard for Consultancy, (Re)design
and Training in EMC and Product Safety

DARE!!
Instruments

Versions
The RadiLink® is consisting of a plug-in card for the RadiCentre® single slot
(CTR1001S), dual slot (CTR1002A) or 8-slot (CTR1008A) mainframe in
combination with a remote link unit. Standard the remote link unit is powered
by internal rechargeable batteries, but optionally it can be powered by LASER
to enable continuous measurements. Apart from this a special CISPR 25
compliant unit is available that is dedicated for the automotive industry.