RF & Microwave Industry News

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PRODUCT FEATURE Aluminum Nitride Resistive Components for RF Power Applications RF Power Components, a subsidiary of Anaren Microwave Inc. E. Syracuse, NY A new line of thick-film aluminum nitride (AlN) resistors and terminations has been introduced that complements existing company offerings. Traditionally, RF power resistive components have incorporated the...

PRODUCT FEATURE CANbus-controlled Switch Matrices Dow-Key Microwave Corp. Ventura, CA C oaxial electromechanical switch matrices are common in complex test equipment used in testing multiport devices and subsystems. Electronic control of conventional switch matrices is based on standard interface buses, such as RS-232, RS-422 and the general-purpose interface bus...

COVER FEATURE Low Power Delay Filters for MCPA Applications K&L Microwave Inc. Salisbury, MD M ulticarrier power amplifiers (MCPA) and their importance to wide modulation have received extensive coverage in recent literature. 1 The demand for faster data rates has given a boost to the MCPA industry and magnified...

PRODUCT FEATURE An Ultraminiature Switch Connector for Testing Wireless Equipment Murata Electronics North America Smyrna, GA E mbedding test points in today's miniature RF circuit boards has traditionally been a problem because of the amount of PCB space required and the intrusive effects to the circuit's performance. The benefits...

PRODUCT FEATURE A Novel Design Approach for an RF VNA Agilent Technologies Santa Rosa, CA T he vector network analyzer (VNA), the core instrument for RF and microwave device characterization, has kept pace with designers' needs over the years for speed, accuracy and ease of use. Today, VNAs from...

PRODUCT FEATURE Ultraminiature Coaxial Connectors for SMT Applications RF Interconnect Products Radiall Inc. Stratford, CT T he ever-increasing demand for miniaturization in microwave communications systems and equipment continues to require components that are both smaller and less costly. One of the determinants of size has traditionally been interconnect devices....

PRODUCT FEATURE A Flyaway Tri-band SATCOM SSPA Advantech, Advanced Microwave Technologies Inc. Dorval, Quebec, Canada T he first tri-band solid-state power amplifier (SSPA) for use in earth terminals with X-band military satellites and C- and Ku-band commercial satellites has been developed. The amplifier is designed to operate in any...

TECHNICAL FEATURE A Broadband 2 to 18 GHz Cascaded Reactively Terminated Single-stage Distributed Amplifier This article presents a novel design technique and measured performance for a broadband (2 to 18 GHz) amplifier using a cascaded reactively terminated single-stage distributed amplifier (CRTSSDA) configuration. The amplifier employs double heterojunction pseudomorphic high...

TECHNICAL FEATURE Limitations in Feed-forward Linearization: Part II This article analyzes the effects of main path amplifier distortion characteristics on feed-forward systems. Part 1 ( Microwave Journal , August 2000) described the basic operation of a feed-forward amplifier system and the impact of nonideal effects on the ability of...

TECHNICAL FEATURE Effects of RF-circuit Nonlinear Distortion on Digitally Modulated Signals in Wireless Communications Computer simulation and measurement of the error vector magnitude (EVM) and adjacent-channel power ratio (ACPR) of a 2.4 GHz MMIC power amplifier (PA) and a 2.4 GHz transceiver RF front end for digital wireless communications...