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Printed Circuit Technology in Base Station Antenna Design

September 28, 2001 11:45 am | Comments

Designing antennas with consistent performance. By John Dobrick, Rogers Corporation Today's designers of base station antennas have at their disposal three proven technologies from which to engineer a design: air dielectric (all metal construction), cable, and printed circuit. There are many hybrids of these three basic approaches....

Gold-plated Contact Connector

September 28, 2001 11:45 am | Comments

Fujipoly introduces the P Connector for use in portable electronics products. The P Connector's contacts can be arranged in accordance with any design consideration, making it an excellent choice for axis-type matrix applications where low-resistance, high density and exact contact positioning is required....

SiGe:C Integrated RF Cascode Amplifier

September 28, 2001 10:41 am | Comments

Motorola Inc.'s Semiconductor Products Sector has introduced a cost-effective, high isolation cascode amplifier using Silicon Germanium:Carbon (SiGe:C) technology. This unique amplifier can help to simplify RF designs for 100 MHz to 2.5 GHz applications, and is available in the ultra-small SOT-343R miniature surface mount package....

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Bipolar Power Transistor

September 28, 2001 10:41 am | Comments

STMicroelectronics has introduced the first in a family of very high-gain bipolar power transistors that feature extremely low saturation voltage, making it well suited for highly efficient low-voltage switching applications. Typical uses for the ST818A/B low-voltage, high-gain power transistors include power management in portable equipment and switching regulators in battery chargers....

Connectors for Repair Sites

September 28, 2001 10:41 am | Comments

Anderson Power Products (APP) introduces an innovation in connector installation for OEM repair sites and field service applications. APP's new Fuselok connector features a contact that contains pre-measured amounts of solder and flux to allow rapid, easy installation. The new connectors are available in 175 and 350 amp, 600 volts and has continuous AC and DC operation to fit cable sizes from 2 awg up to 4/0 wire sizes....

Ku-Band MMIC VCO

September 28, 2001 10:41 am | Comments

Hittite introduces a Heterojunction Bipolar Transistor (HBT) MMIC VCO with an integrated divide-by-8 prescaler packaged in a low cost, surface mount 16 leaded QSOP package with an exposed base for improved RF and thermal performance. The HMC401QS16G features a Pout of > -8 dBm from a 5 V supply, SSB Phase Noise of -110 dBc/Hz @ 100 kHz, and no external resonator is needed....

Battery Conductance Tester

September 28, 2001 10:41 am | Comments

The Micro Celltron can test lead-acid or monobloc batteries up to 12 V in common configurations up to 2000 Ah. It indicates potential failures and helps prioritize replacements for cost-effective system management. The Micro Celltron can test both cell and intercell strap integrity and stores 252 test and overall string statistics....

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SiGe Active Receive Mixers

September 28, 2001 10:01 am | Comments

Stanford Microdevices introduced a new family of silicon germanium (SiGe) active receive mixers ideally suited to 2G, 2.5G, 3G, WLAN, and fixed-wireless infrastructure applications. The SRM-1016 and SRM-3016 extend Stanford Microdevices' offering of silicon germanium (SiGe) active receive mixers and complement the already-released 1700 to 2300 MHz SRM-2016....

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Tunable Laser Transmitter

September 28, 2001 10:01 am | Comments

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5-Row and 8-Row Shrouds

September 28, 2001 10:01 am | Comments

FCI Electronics customers using the Metral( 2000 Header in a mid-plane application can now order the Metral( 2000 Shroud. The shroud is available in either a 5-Row or an 8-Row. In mid-plane applications, the Metral(2000 Header with Rear Plug-Up (RPU) tails is inserted into the board. The Metral(2000 Shroud is then pushed down over the RPU tails....

Gain Block Amplifier

September 28, 2001 10:01 am | Comments

Mimix Broadband announced the introduction of a gallium arsenide (GaAs) monolithic microwave integrated circuit (MMIC) three stage gain block amplifier, which can be operated with all three stages biased in parallel. Using 0.15 micron gate length GaAs pseudomorphic high electron mobility transistor (pHEMT) device model technology, this gain block amplifier covers the 17 to 27 GHz frequency bands....

Surface Mount In-Line Headers

September 28, 2001 10:01 am | Comments

FCI's I/O Connector Group announced the availability of its CardBus SMT In-Line Header line. Key features of the series include conformity to PCMCIA CardBus standards and optional EMI metal shields. The light weight, low profile, compact header design are added benefits of the product. The separate header allows it to be applied with automated SMT assembly with an easy to assemble interlocking eject mechanism....

Connector System

September 28, 2001 10:01 am | Comments

FCI Electronics announced the MEG-Array( Connector System electrical performance at 5 GHz (10 Gbit/s) has been confirmed in the 300 pin small form factor MSA (multi-source agreement) for VSR (very short reach) transceiver applications. Recently, the system's reliability has been confirmed in meeting Telcordia GR-1217-CORE and in demonstrating 20 years BGA solder joint life in accordance with IPC-SM-785 specification....

Directional Couplers for Wireless Band Applications

September 28, 2001 10:01 am | Comments

MECA's 715 series directional couplers are high power capable and ideal for systems applications where precise monitoring, external leveling, signal mixing or swept transmission and reflection measurements are necessary. Nominal coupling values of 6, 10, 20, 30, 40 and 50 dB are standard. MECA's V-Line, 715-dB-1....

Single Voltage pHEMT Transistor

September 28, 2001 10:01 am | Comments

Agilent Technologies has introduced a new low-current, single-voltage small-signal transistor based upon Agilent's E-pHEMT technology. Compared to other GaAs transistors, the Agilent ATF-55143 has the important benefit of being a single voltage device, eliminating the need for an additional negative voltage for biasing....

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