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The quadrature demodulator is used in either heterodyne or homodyne receivers. In commercial communication receivers, the local oscillator frequency ranges from a few kilohertz to a few gigahertz. It is usual to test the individual part with a single tone to avoid the complexity of the baseband waveform. The...

There are several reasons for the wide use of printed transmission lines. They are simple to produce, they operate over a wide bandwidth, and have small weight and dimensions. The earliest form of printed transmission lines was the stripline ( Figure 1a ). 1,2 The printed stripline consists of...

COMPONENTS SMT Compatible Multi-interface Connector Series This 1.0/2.3 multi-interface connector series features an SMT design that facilitates PCB assembly and also accommodates tight packaging density. These connectors are available with 2, 3 and 4 coaxial interface combinations in the same housing. Frequency coverage is from DC to 2 GHz...

INDUSTRY NEWS Spectrum Control Inc. has acquired all of the outstanding common stock of FSY Microwave Inc. The purchase of FSY will enable Spectrum Control to expand its existing SPECWAVE line of ceramic-based wireless products and custom engineered wireless solutions. Texas Instruments Radio Frequency Identification Systems announced the launch...

Inductor Products Catalog This 10-page catalog features the company's WL series of wire wound chip inductor products, designed to provide excellent performance at competitive prices. Product descriptions, features, applications, specifications, circuit applications, outline drawings and selection guides are provided. American Technical Ceramics, Jacksonville, FL (631) 622-4700. Circle No. 200...

Radio-based Infrastructure Solutions This new Web site highlights customer benefits and communicates the company's dedication to customer relations.The new customer-oriented Web site features product usability and promotes customer benefits, as well.The site is user-friendly and improves the company's on-line product information on the company's radio-based infrastructure solutions. Allgon System...

Workshops & Courses RF Components and Systems for Short Range Wireless Transmission Topics : Enables engineers to estimate the system requirements of wireless short range applications and to design a data transmission system in an unlicensed frequency band. The tools most frequently used in RF engineering are introduced using...

News From Washington FCC Initiates Proceeding to Promote Commercial Development of mm-wave Spectrum The Federal Communications Commission (FCC) has initiated a proceeding to examine methods to promote the commercial development and growth of spectrum in the 71-76 GHz, 81-86 GHz and 92-95 GHz bands. Non-government users have never before...

International Report Thales Launches CATS French-based contractor Thales Airborne Systems used the 22-28 July Farnborough International Air Show to showcase its latest airborne electronic warfare (EW) product, the Compact Airborne Threat Surveyor (CATS). Operating within the E- to K-band (2 to 40 GHz) frequency band, CATS is a combined...

RF Technologies for Low Power Wireless Communications Tatsuo Itoh, George Haddad and James Harvey, Eds. John Wiley & Sons Inc. 468 pages; $84.95 ISBN: 0-471-38267-1 Several years ago a program in low power electronics initiated by the Army Research Office focused on addressing the issue of RF and microwave...