Microwave Journal articles from November 2003

Microwave Journal archives from November 2003

36th International Symposium on Microelectronics.(Coming Events)(Calendar)
November 1, 2003... November 16-20, 2003 Boston, MA This event is being sponsored by the International Microelectronics and Packaging Society. Topics: advanced materials and processes, advanced substrate technology, area array assembly, automotive...

IEEE conference on ultra wideband systems and technologies.(Coming Events)(Calendar)
November 1, 2003... November 17-19, 2003 Reston, VA This conference brings together scientific researchers, engineers, students, technical managers and others from both industry and government to present and discuss papers relating to the latest...

62nd Microwave Measurement Conference: differential measurements.(Coming Events)(Calendar)
November 1, 2003... December 2-5, 2003 Boulder, CO Sponsor: Automatic RF Techniques Group (ARFTG). This conference will explore cutting-edge microwave measurements for the industrial, academic and government-related engineering communities. Topics:...

WCA 2004 technical symposium and business expo.(Coming Events)(Calendar)
November 1, 2003... January 21-23, 2004 San Jose, CA This 10th annual symposium gathers technically-oriented wireless broadband carriers and their leading vendors. The event complements WCA's larger annual summer show held in Washington, DC, focusing...

CTIA wireless 2004.(Coming Events)(Calendar)
November 1, 2003... March 22-24, 2004 Atlanta, GA This event focuses on bringing together the enterprise industry with the consumer and vertical markets to exchange ideas, create partnerships and collaborate to further advance wireless...

International Wireless Communications Expo (IWCE).(Coming Events)(Calendar)
November 1, 2003... March 22-26, 2004 Las Vegas, NV This show plays host to more than 350 exhibiting companies and 10,000 attendees in the mobile communications industry. Along with base station workshops, the IWCE conference program features the latest...

Advanced technology workshop on military, aerospace, space and homeland security: packaging issues and applications.(Coming Events)(Calendar)
November 1, 2003... March 28-30, 2004 Baltimore, MD Sponsor: International Microelectronics and Packaging Society (IMAPS). This workshop will focus on the latest military, aerospace, space and homeland security electronic devices, systems and applications...

IEEE MTT-S International Microwave Symposium and exhibition.(Coming Events)(Calendar)
November 1, 2003... June 6-11, 2004 Fort Worth, TX This symposium will serve as the centerpiece of Microwave Week 2004. Topics: research, development and application of RF and microwave theory and techniques. Call for Papers: technical papers for this...

RF wireless system design fundamentals.(Workshops & Courses)(Brief Article)
November 1, 2003... * Topics: This course combines theory with real-life examples to provide participants with a complete foundation in digital communication techniques and their effects on RF circuit parameters. * Site: Sunnyvale, CA * Dates: December...

Microwave and RF circuit design and analysis.(Workshops & Courses)
November 1, 2003... * Topics: This four-day course is designed for engineers, technicians and managers who are involved in developing hardware for the microwave and RF industry. The material presented is useful for both discrete circuit and chip level...

Introduction to electromagnetic compatibility design practices.(Workshops & Courses)(Brief Article)
November 1, 2003... * Topics: Fundamentals of electromagnetic compatibility (EMC/EMI) and focus on the methodology of how to minimize EMC problems. Attendees will be offered a hands-on personal consultation. For more information, visit www.dlsemc.com. * Site:...

RF and wireless made simple.(Workshops & Courses)(Brief Article)
November 1, 2003... * Topics: This two-day seminar provides non-technical professionals with a firm grounding in the language and meaning of technical RF and wireless concepts. It also conveys a conceptual understanding of wireless systems operation. * Site:...

Applied RF techniques I.(Workshops & Courses)(Brief Article)
November 1, 2003... * Topics: This five-day course provides circuit-level designers with the fundamental concepts needed to work effectively with high frequency electronics. The course focuses primarily on linear circuit design. * Site: Sunnyvale, CA *...

Wireless engineering.(Workshops & Courses)(Brief Article)
November 1, 2003... * Topics: Provides engineers with the knowledge to design competitive devices for the wireless field. The course focuses on the fundamentals that are essential for linear circuit design of matching circuits, filters and amplifiers. * Site:...

Introductory RF and microwaves.(Workshops & Courses)(Brief Article)
November 1, 2003... * Topics: Introduction to the field of RF and microwaves. Intended for engineers, managers and technicians who need to be introduced to particular aspects of RF and microwave signals, and associated testing and measurement procedures. *...

Frequency synthesis and PLL design.(Workshops & Courses)(Brief Article)
November 1, 2003... * Topics: This three-day course provides both the theoretical and practical knowledge necessary to design frequency synthesis circuits and systems using phase-locked loops and related technologies. * Site: Phoenix, AZ * Dates: February...

An equivalent circuit and modeling method for defected ground structure and its application to the design of microwave circuits.(Technical Feature)
November 1, 2003... In this article, the equivalent circuit and modeling method for a defected ground structure (DGS) is proposed, to be used in the design of a microwave circuit. Using the proposed equivalent circuit permits the optimization of the DGS circuits....

Rockwell Collins develops ad-hoc network for US military.(News from Washington)(Brief Article)
November 1, 2003... Rockwell Collins, a leader in tactical communications, is developing an advanced communication network with the Defense Advanced Research Projects Agency (DARPA) called Tactical Targeting Network Technology (TTNT). TTNT is a high speed,...

Harris delivers next-generation Multi-band Satellite Terminals.(News from Washington)(Brief Article)
November 1, 2003... Harris Corp., a world leader in multi-band satellite communications (SATCOM) terminals for the US Department of Defense, announced that it has delivered 13 of the first 28 transit case-configured Lightweight Multi-band Satellite Terminals...

Lockheed Martin develops missile tracking antenna for US Navy.(News from Washington)
November 1, 2003... Lockheed Martin has developed an innovative and cost-effective antenna system for tracking test flights of the US Navy's Trident II D5 Fleet Ballistic Missile. The system, called S-band Mobile Array Telemetry (SMART), was developed, tested and...

Navy and industry team demonstrate Strike Warfare Architecture.(News from Washington)(Brief Article)
November 1, 2003... The US Navy and an industry team that includes Lockheed Martin, BAE Systems and Raytheon recently completed the successful demonstration of the Enterprise Expeditionary Strike Warfare Architecture (eESWA), an advanced targeting and strike...

Alcatel powers its way to Taiwanese microwave contract.(International Report)
November 1, 2003... Taiwan Power Co. (Taipower), the leading power supplier in Taiwan, has awarded Alcatel a multimillion US dollar contract to implement a digital microwave radio backbone network. Leveraging the company's digital microwave technology, the project...

Vislink comes under surveillance in Malaysia.(International Report)(Brief Article)
November 1, 2003... In a departure from its usual broadcast market, Vislink has been awarded a [pounds sterling]1.12 M contract to supply satellite and microwave communications equipment to the Malaysian Government. Working into the central station based in Kuala...

Demonstrating a new air defence radar.(International Report)(Delegation Generale pour l'Armement (DGA))(Brief Article)
November 1, 2003... In a contract that will be conducted in partnership with the Thales Group, ThalesRaytheon-Systems has signed a [euro]70 M contract with the French defence procurement agency, Delegation Generale pour l'Armement (DGA), to develop a demonstrator...

Phasing in CDMA2000 1X networks in China.(International Report)(Brief Article)
November 1, 2003... As part of Phase 3 of China Unicom's expansion of its nationwide CDMA2000 1X network, the company is deploying networks based on Nortel Networks solutions in four markets in China. The deployments, which began in April 2003 and are expected to...

Big developments in small 3G base stations.(International Report)(Brief Article)
November 1, 2003... NTT DoCoMo Inc. has announced the development of micro base stations for the FOMA[R] (a mobile service based on WCDMA) 3G network that are up to 1/30th the size of conventional base stations. The FOMA service area has developed steadily,...

WCDMA base station contract for Filtronic 3G RF units.(International Report)(Brief Article)
November 1, 2003... Filtronic, a global designer and manufacturer of customised microwave electronic subsystems for the wireless telecommunications and defence industries, has announced that it has been selected by a new OEM customer to supply initial quantities...

IEEE standard extends wireless communications to inexpensive applications.(The Commercial Market)
November 1, 2003... A new standard from the Institute of Electrical and Electronic Engineers (IEEE) opens the world of wireless communications to inexpensive applications, from sensors and switches for industrial and residential use to smart tags and badges,...

Automotive industry drives the RFID market.(The Commercial Market)(radio frequency identification technology )(Brief Article)
November 1, 2003... Despite all the recent hype and excitement surrounding the introduction of radio frequency identification (RFID) technology in retail markets, the automotive industry will spend nearly thirty times more on the technology this year. Representing...

Consumer telematics must return to its roots.(The Commercial Market)(Brief Article)
November 1, 2003... The telematics industry must refocus its attention toward delivering vehicle-specific services if there is any hope of overcoming its current lull. With automakers facing daunting and unprecedented challenges in today's market place, there is...

IEEE approves amendments to local area network standards.(The Commercial Market)(The Institute of Electrical and Electronic Engineers Standards Association (IEEE-SA))(Brief Article)
November 1, 2003... The Institute of Electrical and Electronic Engineers Standards Association (IEEE-SA) has approved amendments to two networking standards. One, IEEE 802.11f, sets specifications so access point devices from different vendors in IEEE 802.11...

Aeroflex Inc. announced the successful completion of its acquisition of MCE Technologies Inc.(Industry News)(Brief Article)
November 1, 2003... Aeroflex Inc. announced the successful completion of its acquisition of MCE Technologies Inc. As a result of the merger, each share of MCE common stock and each MCE common stock purchase warrant was converted in to the right to receive 0.2254...

Agilent Technologies Inc. and Setram International announced an agreement for Setram to acquire Agilent's Wizard Wireless Network Planning and Design Tool products within Agilent's test and measurement business.(Industry News)(Setram International)(Brief Article)
November 1, 2003... Agilent Technologies Inc. and Setram International announced an agreement for Setram to acquire Agilent's Wizard Wireless Network Planning and Design Tool products within Agilent's test and measurement business. Setram develops and markets a...

Laird Technologies announced the acquisition of the commercial business of Magnes Corp., based in Seoul, South Korea.(Industry News)(Magnes Corp)(Brief Article)
November 1, 2003... Laird Technologies announced the acquisition of the commercial business of Magnes Corp., based in Seoul, South Korea. The acquisition coincides with the establishment of Laird Technologies Korea YH, a limited liability company. Magnes Corp. has...

Anritsu Co. announced a partnership with TestMart whereby TestMart will provide a set of government marketplace services to Anritsu Co.(Industry News)(Brief Article)
November 1, 2003... Anritsu Co. announced a partnership with TestMart whereby TestMart will provide a set of government marketplace services to Anritsu Co. The partnership is part of Anritsu's strategic business plan towards the military and government agencies,...

XMA Corp.(Industry News)(Brief Article)
November 1, 2003... XMA Corp. purchased the entire connectorized attenuator and termination line from M/A-COM in July and is setting up for full manufacturing operation.

Stratos Lightwave Inc. entered into a definitive agreement to acquire privately-held Sterling Holding Co.(Industry News)(Brief Article)
November 1, 2003... Stratos Lightwave Inc. entered into a definitive agreement to acquire privately-held Sterling Holding Co. Under terms of the agreement, Sterling Holding Co. will become a wholly owned subsidiary of Stratos. The transaction is expected to close...

RFMW Ltd. announced that it has signed a North American distribution agreement with Skyworks Solutions Inc.(Industry News)(Brief Article)
November 1, 2003... RFMW Ltd. announced that it has signed a North American distribution agreement with Skyworks Solutions Inc. Skyworks is an RF/microwave semiconductor company providing subsystems, modules, building blocks and discrete components to a worldwide...

Lamina Ceramics Inc. announced a business agreement with KEMET Corp.(Industry News)(Brief Article)
November 1, 2003... Lamina Ceramics Inc. announced a business agreement with KEMET Corp. wherby the two companies will develop and commercialize high performance, low temperature co-fired ceramic-on-metal solutions for advanced electronic systems. Concurrent with...

Richardson Electronics announced it has signed a distribution agreement with Crystek Crystals Corp.(Industry News)(Brief Article)
November 1, 2003... Richardson Electronics announced it has signed a distribution agreement with Crystek Crystals Corp. Under the terms of the agreement, Richardson will operate as worldwide distributor for Crystek's complete line of quartz crystals and...

National Instruments and Ansoft Corp. announced integration between Ansoft Designer[TM] high frequency electronic-design software and the NI LabVIEW 7 Express virtual instrumentation software.(Industry News)(Brief Article)
November 1, 2003... National Instruments and Ansoft Corp. announced integration between Ansoft Designer[TM] high frequency electronic-design software and the NI LabVIEW 7 Express virtual instrumentation software. Through a new API that integrates Ansoft Designer...

Litron Inc.(Industry News)(Litron Inc.)(Brief Article)
November 1, 2003... Litron Inc. announced the opening of its new manufacturing facility located at 207 Bowles Road in Agawam, MA. The new 23,500 square foot facility occupies 2.88 acres and was built to provide the company with the needed space to accommodate its...

Magfusion Inc.(Industry News)(Brief Article)
November 1, 2003... Magfusion Inc. announced the completion of a facility expansion project that will strengthen the company's ability to handle all aspects of production on an in-house basis. The project included building modifications and the installation of new...

I.F. Engineering Corp., manufacturer of standard and custom-engineered passive broadband RF and microwave components covering 100 kHz to 7 GHz, has relocated into a larger facility to accommodate significantly increased engineering and manufacturing demands.(Industry News)(Brief Article)
November 1, 2003... I.F. Engineering Corp., manufacturer of standard and custom-engineered passive broadband RF and microwave components covering 100 kHz to 7 GHz, has relocated into a larger facility to accommodate significantly increased engineering and...

Cascade Microtech Inc.(Industry News)(Eric I. Blachno named vice president of finance and chief financial officer.)(Brief Article)
November 1, 2003... Cascade Microtech Inc. announced the opening of a new office in Singapore. Cascade Microtech Singapore is responsible for direct sales, service and support of products for Cascade's engineering product division in Singapore and Malaysia. These...

Universal Microwave Corp.(Industry News)(Brief Article)(Public Notice)
November 1, 2003... Universal Microwave Corp. announced the opening of UMC's new worldwide sales and customer support center. This new facility in Tempe, AZ will provide enhanced and expanded sales and customer service support for UMC's customers, representatives...

EHM Technology Inc.(Industry News)(Brief Article)(Public Notice)
November 1, 2003... EHM Technology Inc. announced that it has moved its corporate headquarters from Illinois to Las Vegas, NV. The new address is 5186 Venita Drive, Las Vegas, NV 89120 (702) 450-3751, fax (847) 952-9023.

Circuit Check Inc.(Industry News)(JJ Ong becomes director of Asian sales)(Brief Article)
November 1, 2003... Circuit Check Inc. announced the establishment of its first regional support center in Southeast Asia. JJ Ong has joined Circuit Check as director of Asian sales and customer support and will be based in Penang, Malaysia. The direct office is...

Noise Com Inc.(Industry News)
November 1, 2003... Effective immediately, the Noise Com Inc. purchasing department has a new phone and fax number: (973) 909-0250 and fax (973) 909-0254. Noise Com's main phone and fax numbers remain the same at (201) 261-8797 and fax (201) 261-8339.

Telegartner Inc.(Industry News)(Brief Article)
November 1, 2003... Telegartner Inc. announced the company's receipt of ISO 9001:2000 certification from Quality Assurance Systems Inc. Previously, Telegartner Inc. has been certified to the older ISO 9002:1994 standard.

American Microwave Corp. and Planar Monolithics Industries Inc.(Industry News)(Brief Article)
November 1, 2003... American Microwave Corp. and Planar Monolithics Industries Inc. announced that they are now ISO9001:1994 certified.

RF Micro Devices Inc.(Industry News)(Brief Article)
November 1, 2003... RF Micro Devices Inc. announced production shipments of the RF3140 PowerStar[TM] power amplifier module for the next-generation Treo 600 Smartphone by Handspring. The Handspring Treo 600 Smartphone combines the features of a wireless handheld...

California Eastern Laboratories.(Industry News)(Brief Article)
November 1, 2003... California Eastern Laboratories has recently developed new device model design kits for Agilent's ADS for a number of its most popular NEC transistors. These new model design kits will simplify the importing of transistor modeling information,...

Palomar Technologies.(Industry News)(2003 Advanced Packaging award)(Brief Article)
November 1, 2003... Palomar Technologies was honored with a 2003 Advanced Packaging award at a ceremony held during SEMICON West in San Jose, CA. Palomar won in the die placement and attach category for its 6500 precision eutectic die bonder.

Elcoteq Network Corp.(Industry News)(Elcoteq Americas, Monterrrey, Mexico receives A World-class Quality Level based on the GE Quality Assessment)(Brief Article)
November 1, 2003... Elcoteq Network Corp. announced that the Elcoteq Americas, Monterrey, Mexico facility has achieved a World-class Quality Level based on the GE Quality Assessment. The GE process assessment is a tool for analyzing a company's manufacturing...

Merrimac Industries Inc. announced that it was awarded a contract that is estimated to reach $4.4 M from the The Boeing Co. Integrated Defense Systems for beamforming networks and RF/microwave signal processing components that are utilized on Boeing's GPS IIF satellites.(Contracts)(Brief Article)
November 1, 2003... Merrimac Industries Inc. announced that it was awarded a contract that is estimated to reach $4.4 M from the The Boeing Co. Integrated Defense Systems for beamforming networks and RF/microwave signal processing components that are utilized on...

NERA Broadband Satellite AS (Oslo, Norway) has awarded Precise Time and Frequency Inc. a contract for the design, manufacture and supply of the Timing and Reference Subsystem for gateways to be used in the iPSTAR satellite system.(Contracts)(Brief Article)
November 1, 2003... NERA Broadband Satellite AS (Oslo, Norway) has awarded Precise Time and Frequency Inc. a contract for the design, manufacture and supply of the Timing and Reference Subsystem for gateways to be used in the iPSTAR satellite system. Through the...

REMEC Inc.(Contracts)(CDMA PCS band network solutions)(Brief Article)
November 1, 2003... REMEC Inc. announced that it has been selected as a primary supplier to a North American OEM in two separate source selections. REMEC will supply two different multicarrier power amplifier requirements for CDMA PCS band network solutions to be...

Mimix Broadband Inc.(Financial News)
November 1, 2003... Mimix Broadband Inc. announced that it has secured $6.7 M in an initial close of its second round of institutional funding. This round of funding was led by 3i, an international venture capital company, and First Capital Group of San Antonio,...

RNT.(Financial News)(Brief Article)
November 1, 2003... RNT, a provider of high tech products and solutions for component joining, has been awarded a $1.9 M grant from the National Institute of Standards and Technology's advanced technology program. The funds will be used to establish mass...

AMI Semiconductor Inc.(Financial News)(Brief Article)
November 1, 2003... AMIS Holdings Inc., parent company of AMI Semiconductor Inc., announced the pricing of its initial public offering of common stock, which is expected to begin trading on the Nasdaq National Market under the symbol "AMIS." The company has agreed...

Star Microwave.(New Market Entry)(Brief Article)
November 1, 2003... Star Microwave has entered the global telecommunications market introducing a broad range of isolators and circulators featuring low insertion loss and low IMD products. They have over 50 years of RF experience in isolator design and...

Herbert Goronkin.(Personnel)(Brief Article)
November 1, 2003... ZettaCore Inc. announced that Herbert Goronkin has joined its board of directors. Goronkin, recently retired from Motorola Inc., was previously vice president and director of research in charge of Motorola's physical research labs in Tempe, AZ....

Steven P. Schaefer.(Personnel)(Brief Article)
November 1, 2003... Park Electrochemical Corp. announced the election of Steven P. Schaefer to the position of senior vice president, technology. In his new position, Schaefer will be responsible for the company's research and development efforts, and he will...

Frank Gillern.(Personnel)(Brief Article)
November 1, 2003... Rogers Corp. announced that Frank Gillern has been selected as the new vice president of Rogers Advanced Circuit Materials Division, located in Chandler, AZ. He is replacing Robert Daigle, who recently was named vice president of research and...

Chris Paris.(Personnel)(Brief Article)
November 1, 2003... Applied Wave Research (AWR[TM]) announced that it has appointed Chris Paris to direct the company's European sales and support operations. Paris has over 19 years of broad international experience in design engineering and sales and management....

Yasser Mahdhaoui.(Personnel)(Brief Article)
November 1, 2003... TriPoint Global Communications announced the appointment of Yasser Mahdhaoui to the position of vice president, sales for the company's Africa and Middle East region. Mahdhaoui will establish his base of operations at TriPoint Global's sales...

Paul B. Firth.(Personnel)(Brief Article)
November 1, 2003... Modelithics Inc. announced the addition of Paul B. Firth as director of sales and marketing. Firth's background includes engineering of aircraft microwave navigation systems, high tech marketing and executive management. This unique combination...

Jody Fameree.(Personnel)(Brief Article)
November 1, 2003... M2 Global Technology Ltd. announced that Jody Fameree has been named director of business development. Formerly the president of Commercial Microwave Components, Fameree has a proven track record of increasing market share in the highly...

M-tron Industries announced that A4S will represent the company's entire line of frequency control products in Belgium and Luxemburg.(Rep Appointments)(Brief Article)
November 1, 2003... M-tron Industries announced that A4S will represent the company's entire line of frequency control products in Belgium and Luxemburg. A4S has its sales office in Antwerp.

BroadWave Technologies Inc. announced new representative appointments for the company's line of coaxial passive components and custom test systems.(Rep Appointments)(Southern Marketing Associates)(Bouillon Technology Solutions)(Advanced Technology Sales)(Brief Article)
November 1, 2003... BroadWave Technologies Inc. announced new representative appointments for the company's line of coaxial passive components and custom test systems. Southern Marketing Associates of Longwood, FL will cover Florida, Georgia, Alabama, Tennessee...

Aplac Solutions Corp. signed a distributor agreement with Castle Microwave Ltd.(Rep Appointments)(Brief Article)
November 1, 2003... Aplac Solutions Corp. signed a distributor agreement with Castle Microwave Ltd. of the United Kingdom, authorizing Castle Microwave to represent APLAC Solutions products and collateral services in the United Kingdom and Ireland.

RF Logic LLC announced the appointment of Rep Sales as its exclusive representative in the Colorado, Utah, Idaho, Wyoming and Montana territory.(Rep Appointments)(Brief Article)
November 1, 2003... RF Logic LLC announced the appointment of Rep Sales as its exclusive representative in the Colorado, Utah, Idaho, Wyoming and Montana territory. RF Logic is a supplier of high quality coaxial cable assemblies and custom test equipment and...

MegaPhase[R] has signed contracts with three new US manufacturer's sales representatives.(Rep Appointments)(KJS Marketing Inc.)(PVP Sales Inc.)(G Squared Technologies)(Brief Article)
November 1, 2003... MegaPhase[R] has signed contracts with three new US manufacturer's sales representatives. KJS Marketing Inc. will cover Illinois, Wisconsin, Minnesota, Iowa, Nebraska, Montana and Kansas. PVP Sales Inc. will handle northern New Jersey, metro...

Applied Engineering Products has added several new rep organizations to expand the company's representation in Europe to a presence in seventeen countries.(Rep Appointments)(Brief Article)
November 1, 2003... Applied Engineering Products has added several new rep organizations to expand the company's representation in Europe to a presence in seventeen countries: Acal Italia in Italy; Atlantese in Belgium, Luxembourg and the Netherlands; Axel...

International Manufacturing Services Inc. announced the appointment of TACTRON Electronik to represent the IMS product line in Germany.(Rep Appointments)(Brief Article)
November 1, 2003... International Manufacturing Services Inc. announced the appointment of TACTRON Electronik to represent the IMS product line in Germany. TACTRON can be contacted via its Web site at www.tactron.de or directly by phone at +49 89 895 56 90.

Hittite Microwave.(Web Sites)
November 1, 2003... Hittite Microwave has updated the on-line S-parameter library for the company's amplifier, attenuator, mixer/converter and switch products. Designers will find it easy to include actual product performance into their simulations. Visitors to...

Sprague-Goodman Electronics.(Web Sites)
November 1, 2003... Sprague-Goodman Electronics has announced the availability of its current inventory listing on-line. The company's products, consisting of almost 1500 model numbers, are listed in alphanumeric order by model number. Visit...

Dependency of IV characteristics of a MESFET device on frequency and electric field.(Technical Feature)(Metal Semiconductor Field Effect Transistor)
November 1, 2003... A new automated system for observing the dependence of the IV characteristics of GaAs MESFET devices on electric field, frequency and thermal effects is presented. The new procedure employs a pseudo-random pulse I/V measurement system. The...

Design and evaluation of a high selectivity combline bandpass filter.(Technical Feature)
November 1, 2003... Quasi-planar combline bandpass filters have been realized in suspended substrate stripline. The coupling between non-adjacent resonators and the composite effect of N quasi-TEM modes excited from N-coupled lines are considered. The design...

A diode linearizer for microwave power amplifiers.(Technical Feature)
November 1, 2003... The performance of communication systems, in both space and ground segments, is degraded by the nonlinearity of the power amplifiers that are operated in saturation to obtain higher efficiency. Linearizing is the technique used to improve the...

A deterministic method for optimizing VSWR.(Technical Feature)(Vertical Standing Wave Ratio analysis methods)
November 1, 2003... By using in conjuction both frequency and time domain reflection measurements, it is possible to positively identify the specific circuit discontinuities that contribute to a given VSWR lobe. Corrective action can then be readily determined for...

Ferrite circulator switches and their applications.(Application Note)
November 1, 2003... When looking for a coaxial microwave switch that can handle moderate power levels, the options considered are likely to be a PIN diode switch or an electromechanical switch. Both of these switch types have been well engineered over the years,...

MMIC LNAs for wireless infrastructure applications.(Cover Feature)(Cover Story)
November 1, 2003... Wireless infrastructure designers must often contend with conflicting goals when developing new equipment for the base transceiver station (BTS) market. The components used in today's systems are frequently required to operate over multiple...