In Broadcast - November 2015 - 57


57

www.inbroadcast.com | Vol: 5 - Issue 11 | November 2015

InReply

Ensuring
High Performance
Connections

COAX Connectors 12G
KORUS high performance
75 ohm BNC plug

COAX Connectors Managing Director, David Hill, discusses the latest breakthroughs
and developing trends in broadcast connector design...
InBroadcast:
How
is
your
company
adapting
to
meet
customer demands?
David Hill: COAX Connectors is
a company focused on providing
high performance RF connectors. In
broadcast, we now find the higher
frequencies and data rates of 4K Ultra
HD camera and screen technology
are pushing the limits of what can be
achieved from standard connectors.
As a manufacturer, with our own
R&D team, COAX Connectors is able
to be responsive to the changing
demands of broadcast. Last year our
customers were largely looking for
connectors which offered improved
performance from existing 3G systems,
however now everyone is looking at
6G and 12G connectors. At IBC in 2014
COAX launched our KORUS range of
high performance true 75 ohm BNC
connectors to specifically address
these needs.
The BNC connector and its variants
have been used in the broadcast
industry for many years, to move to
another connector type would be
costly and unpopular, so improved
performance from the BNC is the
best option. To transmit these higher
frequencies one can always double up
on channels, but this is again costly
and adds bulk to the infrastructure,
so the challenge is to keep the same
connector types and improve the
performance so that a single channel
can be used. At COAX we have
optimised the internal design to now
deliver low-loss performance beyond
12GHz with some of our designs.
Our KORUS range, which is easily

identifiable by its black/gold body,
includes connectors to fit most of
the industry standard cables, and
of course our package also includes
adaptors and board mounted devices.
When in February this year SMPTE
released the new standards ST20811:2015 (6G), and ST2082-1:2015 (12G)
we tested our connectors, including
our KORUS range to confirm that
our products meet or exceed these
standards. At IBC 2015 we were able to
demonstrate that our BNC and Micro
BNC (HD-BNC) series were capable of
delivering 12G over a single channel in
accordance with these standards.
Not all customer applications
can be satisfied using standard
and off the shelf products, but we
can offer bespoke solutions with
a relatively low MOQ [Minimum
Order Quantity] compared to many
other manufacturers. We frequently
work with customers to solve their
interconnection problems, a recent
example being a high frequency 11-way
true 75 ohm connector system allowing
multiple connections simultaneously
and securely in a very tight space.
InB:
What
criteria
are
broadcasters using to select
products?
DH: Product performance is of the
upmost importance for the majority
of our broadcast customers. Some
will approach us with definite product
requirements based on the equipment
e.g. they require a connector for a
12G-SDI application, whereas others
will be looking to future-proof
installations as much as possible

by using the latest technology. In
evaluating performance they will be
looking at the connector's Frequency
Range, Return Loss, and Impedance.
COAX Connectors provides real test
data rather than simulated test data,
allowing customers to more accurately
evaluate connector performance.
Knowledge that the product actually
exists and can be easily procured
obviously helps with project planning
too.
Product reliability can affect signal
transmission, so if a connector is
going to be used in an application
where it is mated/unmated frequently,
it will be particularly important to
understand how many mating cycles
the connector has been put through
as part of the development process.
Rigorous development processes and
manufacturing to detailed product
specifications each time deliver
product consistency, which is what our
customers are looking for.
Whilst most of our broadcast
customers don't buy on price alone,
it is an influential factor when
selecting products. Our connectors
are competitively priced in relation
to those of other major connector
manufacturers, but where further cost
savings are required the COAX design
team have the expertise to work with
customers to deliver engineered
cost reductions for relatively low
production volumes.
If a particular style of connector
has been designed into a piece
of equipment, compatibility will
be important. At the same time
the available space on broadcast

equipment, PCBs, and channel density
all affect selection of parts, which is
why connectors which permit high
data signal transmission over a single
channel with low loss are becoming
increasingly sought after.
InB: Which territories are showing
particular activity?
DH: COAX Connectors has seen
growth in various regions worldwide
throughout 2015, but especially in
Europe and the Americas, and as a
result we have been expanding our
network of overseas distributors.
InB: Any product innovations
ahead that you can discuss?
DH: There are many products in
development specifically for broadcast
at the moment, mainly again revolving
around 12G BNC, Micro BNC and
DIN1.0/2.3. These will also include
right angle connectors supporting
these higher frequencies and data
rates. Some of these designs have
been inspired through discussions
with chip set manufacturers such
as Semtech where they see a gap in
product availability.
InB: Can you describe some of
your recent deployments?
DH: Projects of note this year were
the US Open and our connectors
continuing to fly around the world
with the Sky Sports F1® HD channel
capturing Lewis Hamilton's third F1®
World Championship title.
InB: Thank you for taking the time
to answer our questions.


http://www.inbroadcast.com http://www.coax-connectors.com/

Table of Contents for the Digital Edition of In Broadcast - November 2015

In This Issue
In Broadcast - November 2015 - Intro
In Broadcast - November 2015 - Cover1
In Broadcast - November 2015 - Cover2
In Broadcast - November 2015 - In This Issue
In Broadcast - November 2015 - 4
In Broadcast - November 2015 - 5
In Broadcast - November 2015 - 6
In Broadcast - November 2015 - 7
In Broadcast - November 2015 - 8
In Broadcast - November 2015 - 9
In Broadcast - November 2015 - 10
In Broadcast - November 2015 - 11
In Broadcast - November 2015 - 12
In Broadcast - November 2015 - 13
In Broadcast - November 2015 - 14
In Broadcast - November 2015 - 15
In Broadcast - November 2015 - 16
In Broadcast - November 2015 - 17
In Broadcast - November 2015 - 18
In Broadcast - November 2015 - 19
In Broadcast - November 2015 - 20
In Broadcast - November 2015 - 21
In Broadcast - November 2015 - 22
In Broadcast - November 2015 - 23
In Broadcast - November 2015 - 24
In Broadcast - November 2015 - 25
In Broadcast - November 2015 - 26
In Broadcast - November 2015 - 27
In Broadcast - November 2015 - 28
In Broadcast - November 2015 - 29
In Broadcast - November 2015 - 30
In Broadcast - November 2015 - 31
In Broadcast - November 2015 - 32
In Broadcast - November 2015 - 33
In Broadcast - November 2015 - 34
In Broadcast - November 2015 - 35
In Broadcast - November 2015 - 36
In Broadcast - November 2015 - 37
In Broadcast - November 2015 - 38
In Broadcast - November 2015 - 39
In Broadcast - November 2015 - 40
In Broadcast - November 2015 - 41
In Broadcast - November 2015 - 42
In Broadcast - November 2015 - 43
In Broadcast - November 2015 - 44
In Broadcast - November 2015 - 45
In Broadcast - November 2015 - 46
In Broadcast - November 2015 - 47
In Broadcast - November 2015 - 48
In Broadcast - November 2015 - 49
In Broadcast - November 2015 - 50
In Broadcast - November 2015 - 51
In Broadcast - November 2015 - 52
In Broadcast - November 2015 - 53
In Broadcast - November 2015 - 54
In Broadcast - November 2015 - 55
In Broadcast - November 2015 - 56
In Broadcast - November 2015 - 57
In Broadcast - November 2015 - 58
In Broadcast - November 2015 - 59
In Broadcast - November 2015 - 60
In Broadcast - November 2015 - 61
In Broadcast - November 2015 - 62
In Broadcast - November 2015 - 63
In Broadcast - November 2015 - 64
In Broadcast - November 2015 - 65
In Broadcast - November 2015 - 66
In Broadcast - November 2015 - 67
In Broadcast - November 2015 - 68
In Broadcast - November 2015 - 69
In Broadcast - November 2015 - 70
In Broadcast - November 2015 - 71
In Broadcast - November 2015 - 72
In Broadcast - November 2015 - 73
In Broadcast - November 2015 - 74
In Broadcast - November 2015 - 75
In Broadcast - November 2015 - 76
In Broadcast - November 2015 - 77
In Broadcast - November 2015 - 78
In Broadcast - November 2015 - 79
In Broadcast - November 2015 - 80
In Broadcast - November 2015 - Cover4
In Broadcast - November 2015 - S1
In Broadcast - November 2015 - S2
In Broadcast - November 2015 - S3
In Broadcast - November 2015 - S4
In Broadcast - November 2015 - S5
In Broadcast - November 2015 - S6
In Broadcast - November 2015 - S7
In Broadcast - November 2015 - S8
In Broadcast - November 2015 - S9
In Broadcast - November 2015 - S10
In Broadcast - November 2015 - S11
In Broadcast - November 2015 - S12
In Broadcast - November 2015 - S13
In Broadcast - November 2015 - S14
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