CIE SEPT09 P20:Layout 1 07/09/2009 11:55 Page 20
Sub Assemblies l Product News
Omeg adds rotary encoders to portfolio Laird Technologies releases new
Omeg Ltd has added 12 mm
dual-band 5 GHz antenna
rotary encoders to its portfolio to
supplement its range of 16 and 20
Laird Technologies has announced a new dual-band 5 GHz antenna.
mm potentiometers. While
This new antenna system integrates the two frequency bands of 2400-2850 MHz 12dBi
acknowledging that the market for
and 4900-5850 MHz 16dBi, the company’s patented RJ45-ECS field replaceable feed-through
standard encoders is already well
Ethernet connector, as well as UV-resistant radomes that are made of ASA plastic and
served, Omeg is targeting the
stainless steel hardware. Additionally, seven antenna connector options are available to adapt
niche market for illuminated
to any user’s equipment.
spindle encoders. Designated the
Laird Technologies designed this antenna and enclosure to accommodate smaller-sized
E12 Series, they are incremental,
equipment requirements for Broadband Wireless Access (BWA) suppliers and carriers who
digital, 24 pulse, rotary types with
deploy industrial WiFi/WLAN/WiMax/LTE systems, mesh networks, Wi-PoP base stations, and
conductive tracks and clear plastic
client antennas using Point-to-Point and WISP applications.
18 T splined spindles with LED
The metallic die-cast enclosure is available as a stand-alone unit with an integrated low-
illumination. Units without
gain antenna, a detachable high-gain panel antenna or an aluminum box with no antenna.
switches have a single LED of
All models have a removable and customizable user-mounting plate inside for easy
either red, green or blue. Units
installation of electronics, as well as a hinged cover with an IP-67 water and dust seal rating
with switches have two LEDs of either blue To benefit from the illuminated spindles,
for easy maintenance.
and green, blue and orange or red and transparent control knobs are needed and
The HD RooTenna is available in either pole-mount or wall-mount versions, with or
green. The encoders are rated at DC5V, Omeg offers a choice of four designs
without a heavy duty tilt bracket. There are eight engineered knockouts that eliminate the
0.5mA and can be supplied with an optional ranging from 10.2 to 18.5 mm diameter.
need for drilling: seven for cable configurations and one for a bulkhead connector-only
switch that is momentary action, single
configuration.
pole, push to make, rated at DC5V, 10mA. Omeg | www.omeg.com
Laird Technologies | www.lairdtech.com
New fibre-optic raceway system
OPTEK develops new
New from the AMP
incremental encoders
NETCONNECT Business Unit
of Tyco Electronics is the
TT Electronics OPTEK Technology has
Lightrax fibre-optic raceway
developed a family of single and duel
system, a fully enclosed
channel incremental encoders. Designated
ducting system that
the OPE1275 single-channel (Tachometer)
segregates, routes, and
and OPE2275 dual-channel encoders, the
protects fibre-optic cables and
analogue output encoders have been
jumpers from building entry
designed for small shaft motors with a
point to fibre termination and
diameter of 2mm and a minimal length of
distribution equipment.
3.8mm. The encoders feature 256 pulses
Using the raceway system, fibre is easily traced and accessed through its convenient fully
per revolution with a maximum of 5,000
wrap-around, lay-in design. It also maintains complete separation from twisted-pair and
RPM.
coaxial cable, as well as providing protection from being snagged, crimped or overstressed.
Typical applications for the single- and
Straight channels and curved fittings are specifically designed to prevent fibres from
dual-channel encoders include printer
exceeding the minimum bend-radius requirement.
motors, machine automation, and machine
The system's modular design and an extensive selection of mounting kits enable the
safety.
project engineer to meet cable capacity requirements and future expansion needs using
The OPE1275 encoder provides a single-
existing superstructure, cable racking and/or equipment racking.
channel analog output for speed of rotation, version of the encoders is achieved with a
The flexibility and simplicity of the Lightrax system ensure cost-effective installations for
while the OPE2275 device provides a dual- stick-on transfer adhesive pre-applied to the
new or existing cable routes in central offices, CEVs (controlled environment vaults), head
channel analog output for speed and back of the housing.
ends, remote offices, data centres and wiring cabinets. The Lightrax elements can also be
direction of rotation. Electrical connection is Frequency response ranges from DC to
used in active street cabinets.
achieved via a 4-pin Molex 53048-0410 25kHz, providing a maximum of 256 cycles
connector providing V+, ground and output per revolution (CPR) and 1024 quadrature
AMP Netconnect | www.ampnetconnect.eu
pins. The mating connector is a 4-pin Molex states per revolution (PPR). Typical rise and
51021-0400 (Terminal pin 50058 or 50079) fall times are 500ns and 100ns, respectively.
or equivalent. Supply voltage (VCC) is 5.0, while supply
New chip resistors capable of operating to 200C
The extended shaft versions of the current (ICC) is 21mA. Operating
OPE1275 and OPE2275 encoders are fully temperature ranges from 0°C to +85°C.
TT electronics IRC has developed a new series of high temperature thick film chip resistors.
assembled and ready for immediate
Designated the HTC Series, the chip resistors feature an operating temperature to 200°C and
connection. Mounting of the hollow shaft OPTEK Technology | www.optekinc.com
are available in standard chip sizes including 1206, 2010 and 2512 packages.
“These resistors exhibit excellent stability at extremely high temperatures, as well as
superior power handling capabilities and an
extended resistance range and working voltage
New Transguard MLVs from AVX
ratings,” said Gary Bleasdell, director of IRC’s AVX Corporation is providing designers with the option to clamp transients and filter EMI in
thick film business unit. “These electrical one ultra compact device with the expansion of its Transguard multilayer varistor series.
characteristics make the HTC Series resistors Designed for all small handheld devices, the miniature 0201 bi-directional transient voltage
ideal for a variety of harsh environments suppressor provides minimal signal distortion and low insertion loss.
including automotive underhood, aerospace, “In addition to developing an advanced MLV that is miniature in size, the Transguard
down-hole instrumentation, oil and gas 0201 will decrease chip count, reducing the amount of PCB real estate needed”, said Sonja
equipment, motor controls, power supply and Brown, global product manager for circuit protection products. “The MLV is a cost-effective
circuit-protection applications.” solution that meets our customers’ increasing needs for a circuit protection device that meets
The thick film chip resistors feature Pb-free space constraints yet provides superior protection versus larger components.”
wrap-around terminations with a leach-resistant nickel barrier. The resistors meet MIL-STD- Transguard 0201 multilayer varistors are suitable for handheld devices including cell
202 specifications for load life, moisture resistance and thermal shock. phones and PDAs, as well as embedded components such as hearing aids and camera
The HTC Series resistors feature a resistance range from 1.0! to 10M!. Maximum voltage modules.
ratings for the 1206, 2010 and 2512 chip sizes are 200V, 400V and 500V, respectively. Initial Transguard 0201 MLV availability includes 15pF and 33pF capacitance devices with
Tolerances are to ±0.5%, ±1% and ±5%, with absolute TCRs of ±100ppm/°C. Operating a 5.6V rating. These products are able to withstand 1,000 strikes at 8kV and feature a
temperature ranges from -55°C to 200°C. IRC will also produce devices outside these response time of under 1ns. The devices have a leakage current of less than 5µA at rated
specifications to meet customer requirements. voltage.
IRC | www.irctt.com AVX | www.avx.com
20 September 2009 Components in Electronics www.cieonline.co.uk
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