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Industry News

Measuring ACPR in CDMA Amplifiers

Two spectrum analyzer methods for measuring adjacent-channel power ratio (ACPR) in CDMA amplifiers
Mark Slovick
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Technical Feature Measuring ACPR in CDMA Amplifiers Mark Slovick Please click here to view the pdf file of the Technical Feature  ...
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Phase and Amplitude Noise Due to Analog Control Components

Analysis necessary to calculate system phase and amplitude noise contribution due to the noise spectrum on a bias supply or control voltage of a microwave amplifier or analog control component in combination with the component phase and amplitude sensi...
Craig Moore and Bruce Kopp
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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...
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Around the Circuit

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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....
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New Literature

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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...
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Web Update

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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...
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COMPONENTS

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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...
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ANTENNAS

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ANTENNAS 3.5 dBi Dipole Patch Antennas The Squint series low profile patch antennas feature a 3.5 dBi dipole-like pattern shape and ceiling-mount capability that provides a low profile for minimum visual impact. The radiation pattern has a 55° beamwidth with the maximum directed at 45° from the horizontal plane....
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AMPLIFIERS

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AMPLIFIERS Masthead Amplifier The model G3 masthead amplifier features a noise figure typically better than 1.4 dB and can increase the receive sensitivity of the base station significantly, eliminating imbalance and improving effective range and quality of coverage. Planning a new GSM1800 or PCS1900 network with the unit could...
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DEVICES

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DEVICES Schottky Eight-diode Ring Quads The models SMS3938-026, SMS3939-026 and SMS3940-026 low, medium and high barrier eight-diode ring quads, respectively, are designed for use in double-balanced mixers requiring higher compression points and better intermodulation performance than standard four-diode ring quads. The units are packaged in industry-standard SOT-143 packages on...
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SOURCES

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SOURCES Surface-mount Synthesizers These low cost synthesizers utilize a three-wire serial control interface and exhibit low noise, low spurious levels, low power consumption, fine frequency resolution and small size. Specifications include an output frequency of 500 MHz to 3 GHz with up to 50 percent bandwidths, resolution of 1...
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