Ferrite
Cores
The
Star-Tec ferrite features a plastic case and an interior
safety lock. Fixtures are located in the edges of the
unit, preventing breaks and air gaps when bending the
cable. A special key is delivered with the ferrite to
prevent unauthorized removal. Other products from the
company include inductors, chokes, coils, and shielding
material. Würth Elektronik USA, Ramsey,
NJ; tel: 201-785-8800; fax: 201-785-8810; Internet:
http://www.we-online.de.
Broadband
Amplifier
The
AP 32DT series of solid-state amplifiers is suitable
for radiated and conducted EMC measurements made in
anechoic chambers or with strip lines, tri plates, or
transverse electromagnetic cells. The amplifiers are
available with 20-, 50-, and 120-W ratings at 1-dB compression,
with a bandwidth that extends from 10 kHz to 1000 MHz.
The Class A amplifiers can withstand fast voltage standing-wave
ratio (VSWR) conditions, including infinite VSWR, and
radio-frequency overload. Prâna, Brive
Cedex, France; tel: +33 5 5586 4940; fax: +33 5 5586
4930; e-mail: prana@prana-rd.com; Internet: http://
www.prana-rd.com.
BGA
Sockets
A
line of ball grid array (BGA) sockets supports signal
bandwidths up to 6 GHz. The device may be used in a
variety of applications, including high-speed cpus,
networks, and radio-frequency systems. The zero-insertion-force
socket is available for a range of integrated circuit
(IC) body sizes, with BGA pitches ranging from 0.75
to 1.27 mm. The socket can be placed on the same printed
circuit board real estate as the actual IC. The device
eliminates the need for a separate prototype board to
accommodate a socket's mechanical footprint, accelerating
systems development schedules. Ironwood Electronics,
St. Paul, MN; tel: 800-404-0204; fax: 651-452-8400;
Internet: http://www.ironwoodelectronics. com.
Safety
Capacitors
A
range of surge-protection capacitors meets the requirements
of EN 132400, IEC 60384-14, EN 61000-4-5, IEC 1000-4-5,
IEC 801-4-5, and the ac isolation requirements of IEEE
802.3. The multilayer ceramic capacitors are suitable
for use in equipment certified to IEC 60950 specifications,
including modems, faxes, telephones, servers, routers,
and other electronic equipment that requires surge protection
and safety certification. Available capacitance values
range from 4.7 pF to 10 nF. Synergistic Technology Group,
Tucson, AZ; tel: 520-760-0291; fax: 520-760-3361; Internet:
http:// www.e-synergistictech.com.
High-Resolution
Bar Codes
The
XF-550 bar code label is suitable for 600-dpi high-resolution
printing, which allows for more information per label
and takes up a minimal amount of space on a circuit
board. The white label is a high-gloss polyimide Kapton.
The label can withstand the chemicals and high temperatures
of circuit board manufacturing processes when it is
printed with one of a variety of thermal-transfer ribbons.
Polyonics, Westmoreland, NH; tel: 888-165-9669; fax:
603-352-1936; e-mail: info@polyonics.com; Internet:
http://www.polyonics.com.
Phenolic-Resin
Coating
PR1010
is a modified phenolic-resin coating suitable for magnetic
systems and a variety of metal components. The durable
coating is resistant to chemicals and retards oxidation.
The coating can be used as a final coat or as a primer
before the bonding process. The application process
involves grit blasting the surface to be coated and
then spray coating with the resin, eliminating the need
for a phosphoric acid etch. After air drying, the coating
is oven cured for 1 hour. The standard coating is black,
but a nonpigmented version is available. Magnetic Component
Engineering, Torrance, CA; tel: 800-989-5656; fax: 310-539-4446;
e-mail: sales@magneticcomponent.com; Internet: http://www.magneticcomponent.com.
EMI/RFI
Gaskets
A
line of shielding gaskets delivers attenuation levels
>100 dB and is available in a range of standard profiles
and sizes. The gaskets are constructed with nickel plating
over a copper substrate, and the metallized fabric is
bonded to a low-compression-force, open-celled polyurethane
foam. The corrosion-resistant plating provides galvanic
compatibility, increasing shielding longevity. The flexible
gasket provides continuous contact between mating surfaces.
All gaskets have a flammability rating of UL 94V-0.
Custom die-cut gaskets are available. Tech-Etch, Plymouth,
MA; tel: 508-747-0300; fax: 508-746-9639; Internet:
http://www.tech-etch.com.
Gapped
Toroids
Mini-Gap
toroids are constructed with a single gap as narrow
as 0.003 in. and are manufactured to either a specified
AL or with a mechanical gap dimension. The manganese
zinc toroid offers low power losses and the ability
to decrease the effect of dc bias. Gapped toroids are
suitable for use in automotive, telecom, or power applications
as an economical and compact alternative to mated cores.
The toroid is available in a range of sizes and materials.
Elna Magnetics, Woodstock, NY; tel: 800-553-2870; fax:
845-679-7010; e-mail: info@elnamagnetics.com; Internet:
http://www.elnamagnetics.com.
Electrostatic-Dissipative
Matting
InterStat,
CompoStat, and ComfortStat provide an electrostatic-dissipative
surface for a variety of work environments. Applications
include work surfaces, antiskid runners, antifatigue
floor matting, electrically conductive runners, shelf-liner
pads, and personal operator pads. The InterStat uses
a three-layer construction consisting of a conductive
fleece sandwiched between a vinyl top surface and a
foam base layer. Pandel, Cartersville, GA; tel: 800-537-3868;
Internet: http://www.pandel.com.
Test
Laboratory
A
test laboratory provides testing, compliance, research,
and consulting services to original equipment manufacturers.
The lab offers assistance in meeting and understanding
a range of safety and electromagnetic compatibility
requirements for portable electronics. The lab performs
precertification compliance verification as well as
full agency certification testing evaluation and report
preparation in the areas of information technology equipment
standards, CE marking, and FCC compliance verification
testing. Motorola Energy Systems Group, Lawrenceville,
GA; tel: 770-338-3742; Internet: http://www.motorola.
com/energy/testlab.
Pulse
Curve Tracer
The
Model 4002 transmission-line-pulse tester measures the
current-voltage characteristics designed into electrostatic
discharge protection circuitry. The test system consists
of a 500-MHz digitizing oscilloscope, a pulse generator
and control box, a high-voltage source, a picoammeter/voltage
source, a PC running Windows NT, and a high-resolution
monitor. Special runtime software controls all instruments
and processes and displays the test results. A color
ink-jet printer provides hard copies of the test data.
Barth Electronics, Boulder City, NV; tel: 702-293-1576;
fax: 702-293-7024; e-mail: jonbarth@ieee.org; Internet:
http://www.barthelectronics.com.
Signal
Generator
The
CS2010 is a signal generator suitable for wireless measurement
applications. Signals can be selected and played with
a single keystroke. For fast, automated recall and playback
in production test applications, signal files are cached
and can be triggered externally. The signal simulator
software offers a range of signal creation capabilities,
including multicarrier and multiformat signal environments.
The unit allows operation in automated, remote, and
networked environments. Celerity Systems, Cupertino,
CA; tel: 888-274-5604; fax: 408-873-1397; Internet:
http://www. celeritydbt.com.
Pluggable
Power Supplies
The
TPS600 series of compact power supplies can provide
600 W at 50°C and 420 W at 70°C. The five-output
unit measures 267 x
153 x
45 mm. All models are EN 55022 and EN 60950 compliant.
Independently regulated outputs provide +3.3, +5, +12,
and 12 V dc mains, and a +5 V dc at 100 mA standby.
Up to 70 A can be supplied from the +3.3 and +5 V mains
simultaneously. Tracewell Power, Lewis Center, OH; tel:
800-811-1480; fax: 614-847-9316; Internet: http://www.tracewellpower.com.
EMC
Test Facility
A
new 10,000-sq.-ft. test facility offers electromagnetic
compliance, product safety, environmental, and product
performance testing services. The facility employs an
11,000-cu-ft semianechoic chamber for 3-m indoor measurements,
as well as an open-area test site (OATS) for 3- and
10-m measurement distances. The weather-protected OATS
offers a low ambient environment and a low noise floor.
The chamber offers a no-ambient indoor measurement site.
EMI measurement capabilities range from 10 kHz to 26.5
GHz for a variety of products. Advanced Compliance Solutions,
Buford, GA; tel: 770-831-8048; fax: 770-831-8598; e-mail:
sproffitt@acstestlab.com; Internet: http://www.acstestlab.com.
Toroidal
Transformer
A
line of custom toroidal transformers is suitable for
a variety of electronic, electrical, medical, and audio
applications. The transformers are available in a range
of sizes and styles, with customer-specified ratings
and terminations. All models feature double insulation
using a Class B-130C insulation system. Dielectric strength
is tested to CSA/UL standards. ATC-Frost Magnetics,
Oakville, ON, Canada; tel: 905-844-6681; fax: 905-844-6895;
Internet: http://www.atc-frost.com.
Bluetooth
RF Module
The
Bluetooth radio-frequency (RF) module employs a low-temperature
cofired ceramic substrate constructed by embedding the
filter, inductors, and capacitor into the substrate
and using flip-chip assembly techniques to mount the
semiconductor. Measuring 7 x
7 x
1.8 mm, the module incorporates an RF chipset that provides
a Bluetooth 1.1 compliant Class 2 output. The
module operates at various frequencies and offers full
compliance to the Silicon Wave RF interface, the Blue-RF
interface, and others. Taiyo Yuden USA, San Jose, CA;
tel: 408-573-4150; fax: 408-573-4159; e-mail: sales@t-yuden.com;
Internet: http://www.t-yuden.com.
SAR
Test System
The
SARA2 is an automatic test system for measuring the
specific absorption rate (SAR) from mobile phones and
other wireless devices. SAR measurements are made using
a six-axis industrial robot with a probe-positioning
accuracy of ±0.04 mm. The upright generic phantom
head offers low evaporation and easy phone-positioning.
The provided phone positioning tool accepts most handheld
devices with minimum measurement influence and has graduated
settings to give fixed positions as specified in the
standards. The test system uses control software that
is able to perform in fully automatic or manual modes.
The turnkey system includes a measuring table, robot-teaching
pendant, and a fully configured and loaded PC. IndexSAR,
Newdigate, Surrey, UK; tel: +44 1306 631233; fax: +44
1306 631834; e-mail: sales@indexsar.com; Internet: http://www.indexsar.com.
Dc-Dc
Convertors
Half-brick
dc-dc convertors offer operating efficiencies of 87%
while delivering 80 A and efficiencies of 88.5% at 60
A. The units feature ±10% output-voltage trimming;
a positive- or negative-logic-enabled input control
pin; undervoltage lockout with hysteresis; and overtemperature,
overcurrent, and overvoltage protection. Input voltages
range from 36 to 75 V, and output voltages include 1.2,
1.5, and 1.8 V. Astec Power, Carlsbad, CA; tel: 760-930-4600;
fax: 760-930-4700; Internet: http://www.astec.com.
Tunable
Inductors
Tunable
inductors are suitable for high-Q filter applications
in the GHz frequency range. The 5Y part is a 5-mm through-hole
inductor. The inductance range is 50500 nH, and
the Q is greater than 90. A surface-mount version with
similar characteristics will soon be available in production
quantities. Frontier Electronics, Simi Valley, CA; tel:
805-522-9998; e-mail: frontiersales@frontierusa.com;
Internet: http://www. frontierusa.com.
Surface-Mount
Fuse
The
6125FA Brick series of surface-mount fuses have a dc
voltage rating of 125 V and an interrupting rating of
300 A for the 250-mA 7A size, and 86 V and 300 A for
the 10A and 15A sizes. For special telecom applications,
the fuses have a dc voltage rating of 86 V and an interrupting
rating of 10,000 A. The fuses are solder-immersion compatible
and feature a wire-in-air design. Cooper Electronic
Technologies, Boynton Beach, FL; tel: 561-752-5000;
fax: 561-742-0134; Internet: http://www.cooperet.com.
Handheld
ESD Tester
The
NSG 435 is a handheld ESD tester suitable for characterization
testing of new designs, International Electrotechnical
Commission compliance and precompliance testing, and
quality assurance production testing. The unit features
a user-programmable discharge voltage from 200 V to
16.5 kV, built-in IEC 1000-4-2 test settings, battery
operation, and stand-alone operation or full system
integration with PC control. Schaffner EMC, Edison,
NJ; tel: 732-225-9533; fax: 732-225-4789; e-mail: usasales@schaffner.com;
Internet: http:// www.schaffner.com.
Monolithic
TVS Array
Transient
voltage suppression (TVS) arrays protect sensitive integrated-circuit
components from the effects of electrostatic discharge
(ESD). The subminiature TVS arrays are suitable for
use in portable equipment such as cordless phones, notebook
computers, personal digital assistants, cellular phone
accessories, and other wireless handsets. The monolithic
TVS arrays have been tested to 25,000 V of contact ESD.
ProTek Devices, Tempe, AZ; tel: 602-431-8101; fax: 602-431-2288;
e-mail: sales@protek-tvs.com; Internet: http://www.
protekdevices.com.