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Press Releases
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LATEST VFD DEVELOPMENT FOR CIG LAUNCHED BY ITRON UK |
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Rapid technological developments and huge volume requirements in areas such as the telecommunications and data markets have a catalytic effect on the demands that systems engineers make on the reliability and price of power supplies and un-interruptible power supplies available.
Essentially, two principle methods are employed, at present, in the development of UPS. The first is based on a battery-powered inverter which provides a synthetic mains voltage sine wave whilst the other focuses on a float-charged lead acid battery that is capable of supplying d.c. power to the system load, when required.
A clear advantage with the first design is that the UPS can be attached to a very wide range of systems that have already been installed. The fact that the UPS can be added as an afterthought, however, leads to two substantial disadvantages. As the UPS has to provide capacity for the maximum anticipated load of the complete system, it requires to be bulky in size and, therefore, considerably more expensive.
Sussex-based ERL, a specialist manufacturer of UPS systems, has concentrated its development strategy on the second methodology which offers system designers a combination of high performance and low cost without compromising size and weight benefits. Such an integrated approach to UPS design provides an ideal solution to the problem of maintaining complete system integrity under mains failure.
The basic premise of the design is based on very simple principles. The electronic load of the system is supplied by a lead acid battery which is maintained on float charge by the a.c. to d.c. supply of the UPS. The normal running current is matched by the charging output of the power supply during standard operation. Transient loads which may be 5 or even 10 times higher than the running load are then met by the battery. This UPS design concept is particularly useful when peak currents can be very high as, for example, in security applications such as door opening solenoids or barrier-drive motor power. As the power supply can be sized to accommodate the mean power consumption, power rating requirements, size and, therefore, costs are reduced accordingly - which offers distinct advantages to the customer.
DSL has chosen to stock the ERL range of specialised UPS as the use of linear control technology provides very high isolation from mains borne interference and ensures high overall system reliability. Furthermore, the power transformers are of the split-bobbin design which enables exceptionally high common mode rejection ratios to be achieved. For instance, the ER115 power supply which is rated at 13.6V, 1A has been evaluated and approved by BT for use in conjunction with all equipment connected to BT lines including ISDN.
For further details, contact:
Alex Andrew, DSL, 4, Whitehall Estate, Flex Meadow, Harlow, Essex CM19 5TJ
Tel: Tel: 01279 416841
or
Karen Mascarenhas at MPR |
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MW12832G - ACTIVE MATRIX VFD WHICH IS IDEAL FOR INSTRUMENTATION |
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Great Yarmouth based Itron (UK) Ltd has introduced the new MW12832G, one of the smallest graphic displays
available on the market.
MW12832G comprises sixteen semiconductor chips, each with a 16x16 phosphor dot matrix which is driven by its
own built-in display driver. This 128x32 dot display is complemented by a range which includes 128x16 dot, 64x16 dot,
256x16 dot and 256x32 dot displays.
The low voltage of 15V and a subsequently low power consumption of just 0.25W extends the operating life of these
devices, at full brightness, to beyond 50,000 hours within an operational temperature range of -40 to +85°C.
The simple interface and static drive results in a display that does not have to be scanned and this provides a flicker-free
image and very low RFI.
Phosphor-on-Chip technology has produced a unique VFD that offers design engineers, industrial designers and
sales/marketing executives the opportunity to display messages using a light, compact, high density, aesthetic display with
multilingual functionality.
With it's high brightness of 3500cd/m coupled with a 0.3mm dot pitch, the product range can accurately reproduce Arabic,
Japanese, Chinese and other complex language fonts. The product range is being designed into markets which include
operating panels with display icons, communications equipment, compact instrumentation, vending machines and POS
equipment. Customers in the Far East are currently looking at Phosphor-on-Chip technology for head-up display
applications.
MW12832G is priced at £29.73 for 1,000 pieces.
For further details, contact:
Andy Stubbings, Itron UK Ltd, Riverside Road, Great Yarmouth, Norfolk, NR31 6PX
Tel: +44 (0)1493 601144
or
Karen Mascarenhas at MPR |
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CHIP-IN-GLASS VFD GRAPHIC DISPLAYS AT COMPETITIVE PRICES |
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With the ability to assemble the driver ICs within a glass envelope, Itron has reduced application costs for displays
employing the Chip-in-Glass technology. The reduction in lead pin count from 140 pins to fewer than 15, for example,
has significantly reduced the cost of assembly and, furthermore, offers increased reliability. Using these features
design engineers can develop multi-purpose displays which could incorporate characters with bar graphs and icons.
The displays offering the greatest cost benefits in the range are the MN12808B, a 128x8 dot graphic display priced
at £9.95 for 1,000 pieces and the MN12818A with 128x18 dots priced at £14.46 per 1,000.
These graphic displays are aimed at users of 1x20 and 2x20 character displays allowing them an ideal upgrade to a more
flexible graphic solution. The shift register latch driver in these displays can directly interface to the serial port of a
microprocessor.
As more companies manufacture for global markets, the requirement for clear displays capable of handling various
languages becomes imperative. The VFDs show the customer a bright message that can be read from a considerable
distance at a wide viewing angle under many lighting conditions.
A key feature of the product is that it can operate within temperatures of between -40 and +80°C under conditions
of high humidity.
For further details, contact:
Andy Stubbings, Itron UK Ltd, Riverside Road, Great Yarmouth, Norfolk, NR31 6PX
Tel: +44 (0)1493 601144
or
Karen Mascarenhas at MPR
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FIRST DISTRIBUTION VENTURE FOR ITRON UK IS WITH FARNELL |
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Itron UK 's patented Flexicombo interconnection development system is now available from Farnell Electronics.
The manufacturer's first product to be offered via distribution was designed in the UK and enables engineers to easily
adopt various interconnection solutions whilst connecting Itron's innovative 'Chip-in-Glass' Vacuum Fluorescent
Displays to control boards.
Flexicombo is capable of accommodating connectors of 2.54mm, 2.00mm, 1.27mm, 1.25mm, 1.00mm and 0.8mm pitch with
each array of pads providing sufficient length to solder at least 2 connectors, of the same pitch, back to back.
Ideal for 'in-line' testing, the Flexicombo PCB can be cut to accommodate a number of different ways.
Furthermore, two Flexicombos, back to back can be soldered to a DIL IDC header to provide multiple interconnection from
each.
In addition, Flexicombo can be cut to suit the number of SMT pads on an IC or any other similar component on the PCB.
For further details, contact:
Andy Stubbings, Itron UK Ltd, Riverside Road, Great Yarmouth, Norfolk, NR31 6PX
Tel: +44 (0)1493 601144
or
Karen Mascarenhas at MPR
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NEW LOW-COST GRAPHIC VFD MODULE FEATURING ENHANCED ANIMATION IS LAUNCHED BY ITRON UK |
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Itron has developed a new range of graphic display modules to upgrade the established 1 x 16 alphanumeric display used
in point-of-sale, amusement machines and industrial applications.
The project, code named Panther, will develop some 20 different products aimed at adding value and performance for the
designer. The display comprises a 192 x 16 dot graphic format with 0.65mm pitch offering compatible dimensions and high
brightness, coupled with the capability of high-speed animation.
The displays incorporate the new Chip-in-Glass technology allowing the module to be priced at just £29.73 for 1,000 pieces
and £35.40 for 100-piece quantities, nearly 50% below conventional graphic VFD pricing.
The clock serial interface provides direct MSC1937 emulation, extended graphic functions and a new field programmable
option allowing user graphics, fonts and commands to be downloaded into flash ROM from the user's system.
Additional RS232 and RS485 bi-directional serial interface allow easy connection to industrial and point-of-sale systems with
multi-drop capability. The module operates from 5V d.c. at 500mA and features 16 levels of brightness control and software
power-down at 12mA.
For further details, contact:
Andy Stubbings, Itron UK Ltd, Riverside Road,Great Yarmouth, Norfolk, NR31 6PX
Tel: +44 (0)1493 601144
or
Karen Mascarenhas at MPR
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NEW DN2025E VFD OFFERS ALTERNATIVE TO LED BACKLIT LCD TECHNOLOGY |
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New from Itron (UK) Ltd is the DN2025E 2-row x 20 character VFD (Vacuum Fluorescent Display) which is one of a new
range of Chip-in-Glass VFD's now available. These products feature the driver ICs assembled within the glass envelope.
This Chip-in-Glass technology has greatly reduced the component and assembly price allowing Itron to drastically lower the
overall application costs.
This product now offers the design engineer a serious alternative to LED backlit LCD technology in this highly competitive
market. Offering the same power consumption and physical size as the backlit LCD, the VFD provides an enhanced display
which gives high brightness, a wider viewing angle, and an operational temperature range from -40 to +85°C.
For further details, contact:
Sue Weston, Itron UK Ltd, Riverside Road,Great Yarmouth, Norfolk, NR31 6PX
Tel: +44 (0)1493 601144
or
Karen Mascarenhas at MPR
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