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SOFTWARE CDMA Cellular System Measurement Software The model MX260002A code-division multiple access (CDMA) cellular system measurement software allows CDMA mobile and base station tests to be performed with the company's MS2650/MS2660 spectrum analyzers. The software can be downloaded to any MS2650/MS2660 series spectrum analyzer. The automated software program sets...

News from Washington Jam-resistant GPS Demonstrated As reported in Jane’s Missiles & Rockets, Boeing has developed and demonstrated a new antijam Global Positioning System (GPS) for munition applications. Tests were conducted at White Sands Missile Range in New Mexico under the US Air Force’s Antijam GPS Technology Flight Test...

International Report Greece and Turkey to Acquire AEW&C Capabilities Recent reports indicate that both Greece and Turkey are moving towards the procurement of an airborne early warning and control (AEW&C) capability for their respective air forces. The Greek requirement reportedly calls for at least four aircraft, which currently are...

The Commercial Market First-half 1998 US Factory Electronics Sales Rise 9.6 Percent Preliminary data from the Electronic Industries Alliance indicate that, despite the uncertainty in Asian markets, US factory sales of electronics equipment, components and related products totaled more than $241.6 B for the first half of 1998, a...

The Book End Low Level Measurements: Precision DC Current, Voltage and Resistance Measurements Joseph F. Keithley Keithley Instruments Inc. 214 pages; no charge This book is intended as a practical guide to making precision measurements of low level DC signals. It provides a comprehensive overview of the theoretical and...

A 1 W, 900 MHz HBT Power Amplifier EiC Corp.Fremont, CA Today’s cellular and portable communications equipment is expected to feature high power and efficiency while operating from a single low voltage supply. The system’s power amplifier must be able to meet these qualifications. The model ES-2067 GaAs heterojunction...

A Phase-coherent Frequency Synthesizer for Radar Applications Programmed Test Sources Inc. (PTS) Littleton, MA The procurement policy of the defense establishment has recently undergone some significant changes. Traditionally, only equipment that met military specifications was available, often leading to very expensive solutions. Despite this restriction, maintenance requirements and reliability/longevity...

High Isolation Switches with Integral Drivers Mini-Circuits Brooklyn, NY Solid-state switches are used extensively for routing or selecting RF and microwave signals. If the isolation between the selected and unselected ports is not high, leakage of unwanted signals could degrade the carrier-to-interference ratio. Several switches may have to be...

60 and 120 W, 2 GHz LDMOS FETs Ericsson Components, RF Power Products Morgan Hill, CA The dramatic increase in cellular traffic has necessitated the use of spread spectrum techniques such as time-division multiple access (TDMA) and code-division multiple access (CDMA). These modulation methods have significantly tightened the linearity...

A High Performance, Economical RF/Microwave Substrate Taconic, Advanced Dielectric Division Petersburgh, NY During the past decade, the wireless industry has evolved from a predominantly military-driven market to a cost-conscious, consumer-driven commercial market. At the same time, wireless applications are moving up in the frequency spectrum. For example, personal communications...