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Industry News

CD Radio Promises Data and Audio Listening Relief

A look at digital audio broadcasting popularly referred to as CD radio, and the major players in the CD radio arena
SPECIAL REPORT CD Radio Promises Data and Audio Listening Relief Ernest Rejman Contributing Editor I f while driving on the interstate you cannot elude Hank Williams' laments about cheatin' love and his long-dead hound, or are trapped in New York, Chicago or San Francisco, irritated by bad reception when...
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ISM vs. Spread Spectrum -- Avoiding the FCC

A look at industrial, scientific and medical (ISM) equipment and its relationship with spread spectrum modulation under the Federal Communications Commission's (FCC) Part 15 rules
TECHNICAL NOTES ISM vs. Spread Spectrum -- Avoiding the FCC Mitchell Lazarus Fletcher Heald & Hildreth PLC Arlington, VA T he Federal Communications Commission (FCC) recognizes two types of devices that intentionally emit RF energy: communications equipment and everything else. The first category includes AM/FM, TV, point-to-point, satellite, cell...
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Acronyms and Abbreviations Used by the RF/Microwave Industry

A handy reference of acronyms and abbreviations used in Microwave Journal technical articles
SPECIAL REPORT Acronyms and Abbreviations Used by the RF/Microwave Industry Frank Bashore Microwave Journal Staff T his list represents most of the acronyms and abbreviations used in Microwave Journal technical articles and editorial features during the last five years. The ever-growing list has proven enormously useful to our staff...
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Asymptotic Behavior of Cosine Windows

A comparison of the asymptotic behavior of even- and odd-cosine series windows
TECHNICAL NOTES Asymptotic Behavior of Cosine Windows Raghavendra G. Kulkarni Bharat Electronics, HMC Division Bangalore, India The asymptotic behavior of the even-cosine series windows presented here reveals that the series has an asymptotic decay 6 dB/octave higher than the odd-cosine series. The coefficients of the series are determined for...
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Distortions in Cascaded MMIC Power Amplifiers

An experimental investigation of the influence of a second harmonic phase delay between two cascaded GaAs MESFET MMIC power amplifiers on total distortion
TECHNICAL NOTES Distortions in Cascaded MMIC Power Amplifiers Oleksandr Gorbachov and Yie-Der Shen Hexawave Inc. Hsinchu, Taiwan, R.O.C. M any methods exist for the linearization of RF/microwave PAs. 1?4 In most cases, these methods are applicable to high power amplifiers taking into account their cost, size, weight and power...
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Effects of a Driver's ACLR on Total ACLR

Effects of the adjacent-channel leakage ratio (ACLR) characteristics of a driver and amplifier on total ACLR
TECHNICAL FEATURE Effects of a Driver's ACLR on Total ACLR Sanggee Kang and Heonjin Hong Electronics and Telecommunications Research Institute (ETRI) Taejon, Korea Sungyong Hong Chungnam National University Taejon, Korea The effects of a driver's adjacent-channel leakage ratio (ACLR) on the total ACLR have been tested to investigate the...
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NEW PRODUCTS

NEW PRODUCTS COMPONENTS * SPDT RF Relay The model RF 2X1 SPDT RF relay is designed for remote switching of VHF signals. The unit provides high isolation and low loss in the frequency range from DC to 900 MHz, and isolation is approximately 60 dB with an insertion loss...
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AROUND THE CIRCUIT

AROUND THE CIRCUIT Marion E. Hines, a pioneer in microwave semiconductors and one of the "Grand Old Men" of the industry, died on August 25. He was 82 years old. Marion was born in Bellingham, WA and received his BS and MS degrees in electrical engineering from the California...
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New Literature

NEW LITERATURE * Product Brochure This six-page brochure features EMI shielding products, such as EMI gaskets, conductive silicones, conductive yarn over elastomer gaskets, wire mesh gaskets, elastomer gaskets, combination gaskets, EMI shielding tape, shielded windows, air vent panels and metallized fabrics. Product photographs, descriptions and contact information are included....
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News From Washington

NEWS FROM WASHINGTON CGS Provides Situational Awareness to Joint ServicesD uring a limited user test conducted by the All Service Combat Identification Evaluation Team (ASCIET) at Fort Stewart, GA, the Motorola Common Ground Station (CGS) successfully demonstrated its ability to provide situational awareness and combat identification and to reduce...
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