In Broadcast - June 2020 - 58

58

www.inbroadcast.com | Vol: 10 - Issue 6 | June 2020

InTech

Hitachi Kokusai Electric Comark Announces
EC705LP-AT1 and EC720LP-AT1 Air-Cooled
Transmitters for LPTV
H

itachi Kokusai Electric Comark
LLC (COMARK), a manufacturer
and supplier of DTV transmitters,
encoding systems, and associated
field services for over 45 years, has
announced the introduction of the
E-Compact EC705LP-AT1 (50W) and
EC720LP-AT1 (125W) series highefficiency air-cooled solid-state UHF
DTV transmitters.
These transmitters are being
released specifically for requirements
of the LPTV repack market.
These two new models, EC705LPAT1 and EC720LP-AT1, incorporate
the ATSC exciter, driver, and final PA
into a single rack-mountable chassis.
The EC720LP-AT1 includes a slot that
can accommodate a second, optional
backup power supply for 100%
redundancy.
The power supplies utilise a front
panel plug-in connection for quick

service. The air-cooled PA design
includes automatic cooling fan
speed control that provides lower
acoustic noise levels during operation
and saves electrical energy while
increasing the life span of the fans.
Customers can either mount the
transmitter in their existing equipment
rack cabinet or an optional 10RU rack
supplied by COMARK.
The
EC700LP-AT1
series
of
transmitters feature System-on-Chip
(SoC) technology.
SoC integrates
multiple system elements into a
compact architecture utilising high
power processing power and superior
reliability.
SoC embeds powerful software
such as MER measurements, IMD
measurements, as well as linear
and non-linear automatic digital
pre-correction.
The transmitters include front panel

EC705LP-AT1

controls, comprehensive web-GUI,
and SNMP for remote control and
monitoring.
An optional off-air receiver is
available so that these units can be
operated as a translator.
The E-Compact family is compact
and rugged, perfectly suited for
broadcasters looking to replace
their current older and less efficient
equipment.
For over 45 years COMARK has been
synonymous with broadcast expertise
and innovation.
A trusted partner to the world's
leading broadcasters, COMARK has
pioneered many developments that
have shaped the industry, leading
innovation in IOT & MSDC-IOT
technology, transistorised solid-state

CTV Invests in Leader Master
Reference Test Instruments
C

TV, one of Europe's longest
established providers of mobile
television production facilities, has
chosen Leader LV7300 and LV7600
rasterizing waveform monitors as
master reference instruments for
its OB3 and OB12 outside broadcast
vehicles.
"Leader test instruments have
proved highly reliable, efficient and
operator friendly right back to our
first purchase of LV7770 multi-SDI
rasterizers six years ago," comments
Paul Francis, CTV's CTO. "Some of
the projects we work on are massive
in scale, taking in feeds from well
over 100 cameras. High-precision
monitoring of HD and UHD signal
flow is vital, both to achieve accurate
matching of incoming feeds and to
ensure that we are maintaining the
full available dynamic range from
source right through to output. This
latest purchase comprises 12 LV7300
and two LV7600 instruments. Both
models can be fully operated from the

front panel which, combined with their
compact size, makes them ideal for use
in OB suites. We normally assign the
output to a multiscreen display where
it can be viewed easily from any part
of a production suite. The LV7300 and
LV7600 have a very similar control
menu structure so operators can move
freely between them."
Thameside TV Sales Manager Chris
Margrave-Gregory, said: "Leader's
LV7300 in particular packs more
features into its size than practically
any broadcast-grade test instrument
on the market while still maintaining
the highly robust build quality which is
essential in any product taken out on
the road."
He said that both of the LV7600
units include the SER03 16-channel
audio display option and one also has

technology, Digital Adaptive Precorrection (DAP), and also winning
multiple Emmy Awards; and gaining
numerous patents in technologies
that have become fundamental to
broadcasting.
COMARK is now building on this great
heritage with the release of an entire
new range of transmission products
for terrestrial television broadcasting,
and state-of-the-art products for
scientific/industrial RF applications.
With thousands of active COMARK
transmission
systems
deployed
worldwide and a global support
presence, COMARK plans to lead
the way in developing technologies
for the future, with efficiency and
performance initiatives for improving
coverage and saving power.

and source image display with high
sensitivity focus detection.
Housed in a low-profile 19-inch 1U
form-factor for easy rack or desk
mounting, the LV7600 rasterizer
provides all the facilities needed to
seamlessly monitor UHD/HD/SD SDI
as well as video over IP signals. It
includes a broad set of engineeringrelated features including test pattern
generation, eye pattern display,
jitter measurement, closed-caption
monitoring, CIE colour chart, HDR
measurement, focus assist, operatorconfigurable screen layout, tally
interface, 4K/UHD operation, 10G
IP input and 12G-SDI interfaces.
SMPTE 2022-6, SMPTE 2022-7 and
the recently published SMPTE 2110
protocols are all supported.

the SER05 10G IP input and analysis
module pre-installed as plug-ins. All 12
instruments can be upgraded to 4K via
software unlocking.
Occupying a half-rack width 1U form
factor, the LV7300 is a 4K/HD/SD HDR
rasterizer designed for use in studios,
trucks,
postproduction
facilities
and playout suites. CINEZONE and
CINELITE come as standard on both
products. It provides full support for
SD-SDI right up to single-link 12G-SDI
sources, including HD-SDI and 3G-SDI.
The standard feature set includes HDSDI up to 12G-SDI
signal generation,
SDR and HDR signal
monitoring, video
signal
waveform
display,
vector
waveform
display Leader's LV7300 and LV7600 rasterizing waveform monitors


http://www.inbroadcast.com https://comarktv.com/ http://www.leader.co.jp/en http://www.leader.co.jp/en

In Broadcast - June 2020

Table of Contents for the Digital Edition of In Broadcast - June 2020

Contents
In Broadcast - June 2020 - Intro
In Broadcast - June 2020 - Cover1
In Broadcast - June 2020 - Cover2
In Broadcast - June 2020 - Contents
In Broadcast - June 2020 - 4
In Broadcast - June 2020 - 5
In Broadcast - June 2020 - 6
In Broadcast - June 2020 - 7
In Broadcast - June 2020 - 8
In Broadcast - June 2020 - 9
In Broadcast - June 2020 - 10
In Broadcast - June 2020 - 11
In Broadcast - June 2020 - 12
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In Broadcast - June 2020 - 14
In Broadcast - June 2020 - 15
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In Broadcast - June 2020 - 20
In Broadcast - June 2020 - 21
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In Broadcast - June 2020 - 26
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In Broadcast - June 2020 - 43
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In Broadcast - June 2020 - 58
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In Broadcast - June 2020 - 60
In Broadcast - June 2020 - 61
In Broadcast - June 2020 - 62
In Broadcast - June 2020 - 63
In Broadcast - June 2020 - 64
In Broadcast - June 2020 - Cover3
In Broadcast - June 2020 - Cover4
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