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The Book End

February 1, 2000
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The Book End Digital Frequency Synthesis Demystified Bar-Giora Goldberg LLH Technology Publishing 335 pages plus CD-ROM; $49.95 ISBN: 1-878707-47-7 Frequency synthesis is no longer a novelty but ubiquitous in today’s electronic equipment. Every radio design uses synthesized signals for generation and control. The purpose of this book is to...
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A Novel Surface-mount Approach to Crossover Signals

An inexpensive surface-mount crossover alternative that provides crossover functionality with any desired combination of RF and DC crossing
February 1, 2000
Anaren Microwave Inc.
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A Novel Surface-mount Approach to Crossover Signals Anaren Microwave Inc. East Syracuse, NY Because some locations require RF signals to cross RF, RF to cross DC, or DC and DC to cross each other, a significant number of multilayer PCBs are produced. Different approaches exist so that the additional...
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A PA Driver for Split-band PCS Applications

A high performance power amplifier (PA) driver that provides two switched outputs to interface with the split-band filters in the trannsmit chain of PCS systems
February 1, 2000
RF Micro Devices Inc.
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A PA Driver for Split-band PCS Applications RF Micro Devices Inc. Greensboro, NC Due to the growing popularity of PCS systems, there has been an increasing demand for high performance RFICs for the PCS band. The transmit and receive frequencies for the PCS band are allocated at 1850 to...
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Smart Switches with a CAN Serial Communication Bus

Electromechanical switches for test equipment applications where fast system integration and system flexibility to modify and extend the switch layout are required are featured on this month's cover
February 1, 2000
Dow-Key Microwave Corp., Ventura, Calif.
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Smart Switches with a CAN Serial Communication Bus Dow-Key Microwave Corp. Ventura, CA A new series of electromechanical switches has been developed that is targeted specifically at test equipment applications where fast system integration and system flexibility for modifying and extending switch layout are required. The unique switches are...
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An Ultradynamic Range GaAs Amplifier

A new IC amplifier that extends the linear efficiency advantages of the company's existing device to higher power levels
February 1, 2000
Watkins-Johnson Co.
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An Ultradynamic Range GaAs Amplifier Watkins-Johnson Co. Palo Alto, CA The model AH11 GaAs amplifier has been introduced to supplement the company’s line of linear GaAs components. Operating from a +5 V DC supply in a push-pull configuration, the new IC amplifier extends the linear efficiency advantages of the...
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LDMOS Transistors for FM Broadband Applications

Laterally diffused metal oxide semiconductor (LDMOS) technology as a viable solution for frequencies covering the high HF through high UHF bands
February 1, 2000
STMicroelectronics Inc.
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LDMOS Transistors for FM Broadband Applications STMicroelectronics Inc. Montgomeryville, PA High efficiency and high gain amplifiers for FM transmitters are possible today with laterally diffused metal oxide semiconductor (LDMOS) technology. Presently, LDMOS RF power transistors are the proven mainstay in the high volume cellular base station power amplifier business,...
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A GPS Module for CDMA and UMTS Synchronization

A new card-level Global Posistioning System (GPS) receiver module that provides synchronization for CDMA and Universal Mobile Telecommunications System (UMTS) mobile networks using the GPS signal and a high performance oven-controlled crystal oscillator
February 1, 2000
Oscilloquartz SA
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A GPS Module for CDMA and UMTS Synchronization Oscilloquartz SA Neuchatel, Switzerland Without precise timing, today’s new communications signals can lose data in their translation, particularly in the areas of light-speed data and broadband systems. Due to the emerging standards in mobile telecommunications and digital broadcasting, the quality of...
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