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An IS-95 16-channel CDMA Source for Power Amplifier Testing Berkeley Varitronics Systems Inc. Metuchen, NJ Communications systems that use CDMA techniques are placing new demands on component manufacturers, test equipment and measuring techniques. Digital TDMA and CDMA standards use quadrature phase-shift keying (QPSK) modulation formats as opposed to the...

A Low Loss, Lead-free LTCC System for Wireless and RF Applications DuPont Microcircuit Materials, The DuPont Co. Wilmington, DE As the number and complexity of wireless applications grow, needs increase for component and interconnect technologies that allow the direct attachment of bare ICs, can be manufactured in high volumes...

1998 Editorial Index COVERS Alpha Industries "Low Voltage Power Amplifiers for GSM Handsets," No. 6, p. 116. Analog Devices "A 0.1 to 2.5 GHz Logarithmic Amplifier for RF Detection," No. 7, p. 142. Anritsu Co. "Spectrum Analyzers for High Frequency Point-to-point and Point-to-multipoint Networks," No. 3, p. 132. Hewlett-Packard...

Technical Feature Linear RF Power Amplifier Design for CDMA Signals: A Spectrum Analysis Approach Qiang Wu, Heng Xiao and Fu Li Please click here to view the pdf file of the Technical Feature  ...

Technical Feature Measuring ACPR in CDMA Amplifiers Mark Slovick Please click here to view the pdf file of the Technical Feature  ...

Technical Feature Phase and Amplitude Noise Due to Analog Control Components Craig Moore and Bruce Kopp Please click here to view to pdf file of the Technical Feature...

Around the Circuit INDUSTRY NEWS Alcatel has entered into an agreement to acquire wire-speed routing and Gigabit Ethernet solution developer Packet Engines Inc. in a cash transaction valued at $315 M. Following the acquisition, Packet Engines will retain its name and continue to operate from its Spokane, WA facility....

New Literature RF Coaxial Connector Catalog This 60-page catalog describes a variety of RF coaxial connectors, including SMA, SMB, SSMB, SMC, MCX, MMCX, TNC, UHF, N, F, BNC and twinax. Outline drawings and product photographs are provided. Aliner Connectors Inc., City of Industry, CA (626) 964-5608. Aerospace and Defense...

Web Update Ultra-precision Substrates This Web site provides technical specifications for a broad range of substrate materials produced with exact repeatability consistency. The company’s new generation of Micro-Fine substrates, featuring unsurpassed uniformity, is described. The site also details available precision lapping, polishing, laser machining, diamond sawing and edge grinding...

COMPONENTS PCS Duplexers The CCDP-60 series PCS duplexers are designed to offer greater rejection while achieving less than 0.8 dB of insertion loss in a small package. The units are factory tunable to any of the PCS or DCS bands and feature rejection of 80 dB and return loss...