Fiber-Optic Cable Assemblies

ExacTune fiber-optic cable assemblies use FC-style connectors that speed the alignment process of the fiber axis to the connector key. Precision-machined connector components and ferrules provide an angular accuracy within 1°, extinction ratios of 30 dB or greater, and a typical insertion loss of less than 0.3 dB. The polarization-maintained assemblies are shock, vibration, and temperature resistant and can be supplied with the option to adjust and hold the angular alignment in the field. Johanson Fiber Optics Group LLC, Boonton, NJ; tel: 973-334-2676; fax: 973-334-5322; Internet: http://www.johansonfiber.com.

Bluetooth Radio

The AS3952 provides a 2.4-GHz wireless connection with a burst data rate of 1 Mb/sec. All parts are fully integrated, removing the need for external filters or coils. All calibration routines to cancel out process variations are fully automatic. The on-chip power amplifier supports transmit power up to 5 dBm. The Bluetooth 1.1–compliant transceiver features up to 3200 hops per second, a sensitivity of –90 dBm, and low current and standby power consumption. Austriamicrosystems AG, Schloss Premstätten, Austria; tel: +43 3136 5000; fax: +43 3136 52501; e-mail: accento@austriamicrosystems.com; Internet: http://www.austriamicrosystems.com.

Electronics Catalog

A catalog features products for electronics production, service, repair, and testing. More than 500 new products are offered from manufacturers such as 3M, BK Precision, and Ideal. Items include hand, power, and telecom tools; test and measurement equipment; workstation equipment; soldering equipment; ionizers; and a large selection of electrostatic discharge products. The catalog features products from more than 100 manufacturers. All-Spec Industries, Wilmington, NC; tel: 800-537-0351; fax: 800-379-9903; e-mail: sales@allspec.com; Internet: http://www.allspec.com

Test Chambers

Z-Plus test chambers are used to test products under various temperature and humidity conditions. Standard features include high-volume airflow, a one-handed latch, quiet operation, leveling legs, a viewing window, interior chamber light, and a top-vented exhaust. The construction offers the flexibility to incorporate both left- and right-sided ports/slots and a hinged control platform, and the ability to locate the chamber against the wall. Access to all systems is provided through removable side panels. Cincinnati Sub-Zero Products Inc., Cincinnati, OH; tel: 513-772-8810; fax: 513-772-9119; e-mail: indsales@cszinc.com; Internet: http://www.cszinc.com.

Custom RF Connectors

Custom radio-frequency (RF) connectors can be built based on BMA, SMA, SMB, SMC, slide-on, MCX, MMCX, BNC, TNC, N, mini-UHF, and other connector types. The basic RF connector types are modified to accommodate special design needs for communications systems. Assemblies and connectors are designed for frequencies ranging from dc to 18 GHz. Products include float-mount and snap-on connectors. Northrop Grumman Corp., Winchester Electronics, Watertown, CT; tel: 860-945-5000; fax: 860-945-5191; e-mail: techinfo@litton-wed.com; Internet: http://www.litton-wed.com.

EMI Shielding Gasket

A compact, low-compression-force gasket is suitable for high-cycling and high-frequency CompactPCI and VME multicard applications. The beryllium copper EMI shielding gasket features a full-radius profile of individual fingers, radial gripping corners, and a nonsnagging solid-edge design. The gasket allows designers to minimize loads and reduce the mounting footprint. The front-panel gasket profile is 1.5 x 4.8 mm. Leader Tech Inc., Tampa, FL; tel: 813-855-6921; fax: 813-855-3291; Internet: http://www.leadertechinc.com.

SAR Test System

A specific absorption rate (SAR) test system combines a measurement system, a dipole antenna, a positioning robot and controller, a twin-phantom mannequin, probes and measurement accessories, and a system controller with application software and validation system to measure electromagnetic fields and calculate SAR over a customer-specified frequency range. The test system covers European, Asian, and North American standards for SAR testing. TDK RF Solutions Inc., Cedar Park, TX; tel: 512-258-9478; fax: 512-258-0740; e-mail: info@tdkrf.com; Internet: http://www.tdkrfsolutions.com

LCR Meter

The 1730 LCR Digibridge measures, displays, and outputs the results of any two parameters, including series or parallel capacitance, ac resistance, inductance, dissipation factor, quality factor, equivalent series resistance, impedance, reactance, and phase angle. The unit's basic measurement accuracy is 0.1%, and it provides seven programmable test frequencies. Other features include an LCD display, setup storage, programmable source impedance, and binning capacity. QuadTech Inc., Maynard, MA; tel: 978-461-2100; fax: 978-461-4295; e-mail: sales@quadtech.com; Internet: http://www.quadtech.com.

Expansion Slot Shield

An expansion slot shield provides shielding between the input-output backplane chassis and expansion slot covers. The single-slot shield is offered as a standard product with the capability to be expanded for multiple slots. The shield features a pressure-sensitive adhesive strip to simplify the installation process. Thin-gauge stainless-steel construction and a contact-finger design provide low closing forces and large gap closure without compression-set problems. Tech-Etch Inc., Plymouth, MA; tel: 508-747-0300; fax: 508-746-9639; e-mail: sales@tech-etch.com; Internet: http:// www.tech-etch.com.

EMC Shielding Products

A company offers a variety of EMC shielding products, including conductive gaskets, metallized fibers, circuit-board shields, beryllium copper fingers, wire meshes, and both rigid and flexible hyperfrequency absorbers, for use in the telecom industry. Conductive filled silicone products include anticorrosion, extruded, connector, waveguide, and vulcanized gaskets. Getelec, Clamart, France; tel: +33 1 46446891; fax: +33 1 46443350; e-mail: info@getelec.com; Internet: http://www.getelec.com.

802.11b MAC Controller

The NC7010 performs the media-access control (MAC) functions in an IEEE 802.11b wireless LAN chipset. The controller features enhanced security using dynamic key-management technology. Communication with the host computer is achieved via a CardBus/MiniPCI interface. The highly integrated controller offers easy adaptation of programmable MAC-layer protocols using common software development tools. NextComm Inc., Bellevue, WA; tel: 425-603-0900; fax: 425-603-0901; e-mail: sales@nextcomm.com; Internet: http://www.nextcomm.com.

Pulsed Ionizing Bar

The PIB30XX pulsed-dc ionizing bar is a self-contained unit providing distributed ionization coverage in minimal airflow. The compact ionizer offers selectable operating frequency and duty cycle for optimal voltage swing and decay-time control with little to no airflow. A 24-V dc input allows the unit to be installed inside of large equipment. Options include an RS-485 data communication port and an infrared remote control. Semtronics, Garden Grove, CA; tel: 714-799-9810; fax: 714-799-9764; Internet: http://www.semtronics.com.

MOSFET Quad Mixer

The PE4125 is a high-linearity quad mixer for GSM800 cellular base station receivers. The metal oxide semiconductor field-effect transistor (MOSFET) mixer exhibits high dynamic-range performance over a local oscillator (LO) drive range of 14–20 dBm. The mixer integrates passive matching networks to provide single-ended interfaces for the radio-frequency (RF) and LO ports, eliminating the need for external RF baluns or matching networks. Peregrine Semiconductor Corp., San Diego, CA; tel: 858-455-0660; fax: 858-455-0770; e-mail: sales@peregrine-semi.com; Internet: http://www.peregrine-semi.com.

Italian Cord Sets

The cord sets are configured with a 10-A molded Italian plug and terminated with five different angled IEC 60320 C13 connectors (left, right, up, down, and straight). This allows designers to reduce the clearance space required behind or under equipment by specifying the angle connector that is appropriate for their particular application. The cord sets are IMQ approved at 10 A and 250 V ac. Custom lengths and several packaging options are available. Panel Components Corp., Oskaloosa, IA; tel: 800-662-2290; fax: 800-645-5360; e-mail: info@ interpower.com; Internet: http://www. interpower.com.

Line-Current Relay

The SEL-311L line-current differential relay provides full-distance and overcurrent backup for high-speed line protection. The programmable unit is suitable for protecting, monitoring, and controlling main lines. The relay includes a complete distance and directional overcurrent system. The differential elements operate in less than one cycle for most faults and accommodate large amounts of current transformer saturation and communications channel asymmetry. Schweitzer Engineering Laboratories (SEL), Pullman, WA; tel: 509-332-1890; fax: 509-332-7990; Internet: http://www.selinc.com.

Overvoltage Test System

The PT-600 test system performs Bellcore 1089 first- and second-level ac power fault tests and UL 1950 Annex NAC power-line cross tests. The unit offers single or dual channels for two- and four-wire testing with 40 or 60 A per channel. Preset and adjustable resistors and timer allow versatility in performing the tests. Measuring terminals, including voltage-sense and current-shunt portals, provide a safe location for users to measure test voltages and output current. Compliance West USA, San Diego, CA; tel: 858-860-0277; fax: 858-860-0279; e-mail: sales@compwest.com; Internet: http://www.compwest.com.

EMI/RFI Shielding Ink

The 118-41 electrically conductive ink is suitable for screen printing onto ribbon cables, flex circuits, and a variety of other components. The EMI/RFI shielding ink is very resistant to solvents such as methyl ethyl ketone and acetone. The product can adhere to polyimide (Kapton), polyester (Mylar), glass, polycarbonate, and other substrates. Creative Materials Inc., Tyngsboro, MA; tel: 978-649-4700; fax: 978-649-2040; e-mail: cmi@creativematerials.com; Internet: http://www.creativematerials.com.

EM Simulator Software

HFSS 8.5 is a full-wave finite-element electromagnetic (EM) simulator. The software uses 64-bit code to analyze complex structures such as multiple-array antenna systems, high-speed integrated circuit packages, and microwave filters. The software can consider the frequency variation of any arbitrary material property and uses an improved method for importing geometries from mechanical design packages such as Pro/Engineer and AutoCAD. Ansoft Corp., Pittsburgh, PA; tel: 412-261-3200; fax: 412-471-9427; e-mail: info@ansoft. com; Internet: http://www.ansoft.com.

Surface-Mount Inductors

The 2400-series of surface-mount inductors features inductance values from 2.7 to 220 µH. The bobbin-wound inductors offer dc resistance values down to 0.028 ‡ and current-handling capabilities to 4.6 A. Applications include switching power supplies and power-line filter circuits. Options include an integral ferrite EMI shield. The board-mounting profile is 4.50 mm, and the maximum width is 5.80 mm. C&D Technologies Inc., Tucson, AZ; tel: 520-295-4300; fax: 520-741-4598; e-mail: info@cdtechno-ncl.com; Internet: http://www.dc-dc.com.

Low-Current Oscillator

The CS-series low-current clock oscillator features a supply current as low as 3.0 mA at 2.7 or 3.3 V, with an upper rating of 4.6 mA at 5 V. The frequency range is 4.0–30 MHz. The clock offers a jitter specification of 1.0 picosecond rms. The product comes in a 5 x 7 mm package, with a profile height of 2.0 mm. The clock is suitable for products in which a long battery life is a prime consideration. Raltron Electronics Corp., Miami, FL; tel: 305-593-6033; fax: 305-594-3973; e-mail: sales@raltron.com; Internet: http://www.raltron.com.

Power-Entry Module

The EF-series power-entry module combines an ac inlet, an RFI filter, and a circuit breaker for equipment rated up to 20 A at 250 V. The circuit breaker provides a manual reset of the circuit and status indication. An undervoltage release detects power loss and protects against unwanted restarts. The metal filter casing wraps behind the mounting flange, and the direct electrical contact to the chassis provides a low radio-frequency impedance ground path. Schurter Inc., Santa Rosa, CA; tel: 707-636-3000; fax: 707-636-3033; e-mail: info@schurterinc.com; Internet: http://www.schurter.com.

High-Speed Amplifier

The AD8007 high-speed current-feedback amplifier features low distortion (–80 dB at 20 MHz) and low noise. The device draws only 9 mA, reducing battery and cooling requirements. The amplifier has 600 MHz of bandwidth and a slew rate of 1000 V/µsec. The second-harmonic distortion is rated at –88 dB at 5 MHz and –80 dB at 20 MHz. With a supply voltage range of 5–12 V, the device is suitable for use in intermediate-frequency and baseband amplifiers, filters, analog-to-digital convertor drivers, and digital-to-analog convertor buffers. Analog Devices Inc., Norwood, MA; tel: 800-262-5643; fax: 781-326-8703; Internet: http://www.analog.com.

Compact Rectifiers

Model 51000 rectifiers are rated at 24,000 V peak inverse voltage at 2.5 A. The device is suitable for use in dc pulse blocking and snubbing applications, radio-frequency power generators, high-voltage power supplies, and broadcast transmitters. Two rectifiers can be joined to provide a full-wave bridge for output voltages up to 6 kV, and joining three produces three-phase full-wave output to intermediate stages. Electronics Manufacturing, Semmes, AL; tel: 800-649-8233; fax: 334-649-8233; e-mail: sales@rectifiers.com; Internet: http://www.rectifiers.com.

Telecom Surge Simulator

The TSS500M/6B simulates the 2/10, 10/360, and 10/1000 surge waveforms up to 5 kV. Pulse repetition rates vary from one every two seconds for the 2/10 pulse and up to one per minute for the 10/1000 pulse. The unit meets the requirements of Bellcore GR 1089 for first- and second-level lightning surge on two and four telecom ports. Other features include a built-in voltmeter and current meter to record the peak surge voltage and current, respectively. Amplifier Research, Souderton, PA; tel: 215-723-8181; fax: 215-723-5688; Internet: http://www.amplifiers.com.

Insulation-Resistance Tester

The Model 2205 is a standalone insulation tester suitable for production line testing. The microprocessor-controlled instrument provides measurements up to 200 GW at voltages up to 1000 V dc. The unit features an LED display with meter memory, a programmable limit, and remote-control inputs and outputs for remote testing. The front-panel design is tamper resistant and allows annual calibrations to be performed without opening the instrument. Slaughter Co., Ardmore, OK; tel: 800-421-1921; fax: 580-226-5757; e-mail: info@hipot.com; Internet: http://www.hipot.com.