Industry News

A Broadband Microwave Choke

A new and different RF choke design that permits extremely broadband performance with few apparent seres resonances
A Broadband Microwave Choke Piconics Inc. Tyngsboro, MA All microwave devices that use DC power must have a method for preventing the microwave energy from entering the power supply. It is common practice to connect a microwave choke between the active microwave device and the power supply to prevent...
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Low Cost LNAs for 900 MHz Cell Site Applications

A new line of low noise amplifiers (LNA) designed for use as front ends in cell site filters
Low Cost LNAs for 900 MHz Cell Site Applications Aethercomm Inc. San Marcos, CA A new line of low noise amplifiers (LNA) for use in worldwide cell sites has been developed. The celLNA series amplifiers were designed to be used as front ends for cell site filters. All of...
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A Surface-mount Balun for TV Broadcast Applications

A surface-mount balun that covers the 470 to 860 MHz frequency range for TV boradcast applications is featured on this month's cover
A Surface-mount Balun for TV Broadcast Applications Anaren Microwave Inc. East Syracuse, NY Significant growth can be expected in the television (TV) broadcast market due to the new availability of digital TV and governmental requirements forcing broadcasters to transmit a set number of programs in the new digital format....
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A New 3.5-mm TRL/LRL Calibration Kit

A new type of calibration kit for vector network analyzers that uses three methods: open-short-load-thru, thru-reflect-line (TRL) and air line gating
A New 3.5-mm TRL/LRL Calibration Kit Maury Microwave Corp. Ontario, CA A new type of calibration kit for vector network analyzers (VNA) has been introduced that takes advantage of the full measurement capabilities of the VNA. The Tri-Kit calibration kit is designed for three types of calibration methods rather...
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An Improved 5.7 GHz ISM-band Feedforward Amplifier Utilizing Vector Modulators for Phase and Attenuation Control

An improved feedforward amplifier for the 5.725 to 5.850 GHz industrial, scientific and medical (ISM) band for base station applications
Technical Feature An Improved 5.7 GHz ISM-band Feedforward Amplifer Utilizing Vector Modulators for Phase and Attenuation Control William M. Thornton and Lawrence E. Larson Please click here to view the pdf file of the Technical Feature...
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Components

Components Amplitude and Phased-matched SP4T Switch The model SWN-1170-4DR-STANDARD options 0418, pulse amplitude modulation, simultaneous sample and hold is an SP4T switch with an amplitude of +/-0.45 dB and phase variation of +/-2.5° between ports from 0.4 to 18 GHz. Insertion loss is < 2.75 dB, SWR is 1.75...
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Amplifiers

Amplifiers CDMA PCS Amplifiers The CDMA PCS amplifier series provides wireless infrastructure manufacturers with a cost-effective, flexible solution for their amplifier requirements. Models are available with linearized CDMA output power levels of 5, 10 and 20 W. All models comply with J-STD-008 and IS-95 spectral mask requirements over all...
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