Jack Browne

Technical Contributor,
Microwaves & RF

Jack Browne, Technical Contributor, has worked in technical publishing for over 30 years. He managed the content and production of three technical journals while at the American Institute of Physics, including Medical Physics and the Journal of Vacuum Science & Technology. He has been a Publisher and Editor for Penton Media, started the firm’s Wireless Symposium & Exhibition trade show in 1993, and currently serves as Technical Contributor for that company's Microwaves & RF magazine. Browne, who holds a BS in Mathematics from City College of New York and BA degrees in English and Philosophy from Fordham University, is a member of the IEEE.

Skyworks Shows WiMAX FEM At CTIA
Skyworks Solutions unveiled a highly integrated 2.5-GHz WiMAX front-end module (FEM), model SKY77258, at the recent CTIA show. The FEM is designed for WiMAX handsets and terminals. It incorporates a reliable InGaP HBT power amplifier, pHEMT switch, ...
Contest Awards Prizes To LXI Users
Users of LXI test instruments can now profit from their choice of gear by being part of a contest announced by the LXI Consortium. The contest is open to LXI instrument users who feel that they have special test and measurement applications based on LXI ...
Keithley Adds Free Nanotech Test Handbook
In addition to its newly published data-acquisition handbook, Keithley Instruments has also published a free-of-charge handbook on nanotechnology measurements. The 124-page handbook provides practical information on making DC and pulsed measurements on ...
Laird Technologies Launches VHS/GPS Antenna
Laird Technologies has introduced its Orbcomm Phantom(R) VG antenna, a low-profile, rugged design that can handle VHF communications in addition to Global Positioning System (GPS) signals. The bar-style antenna measures only 2.2 inches high, 3 inches ...
Two-Way Combiner Channels Cellular Signals
Renaissance Electronics Corporation has designed a two-way high-power combiner for applications in the 800-to-900-MHz cellular band. The combiner allows a common antenna port to be usd for two different cellular networks that operate on different power ...
Microlab/FXR Forges Three-Way Hybrid Combiner
Microlab/FXR, a wholly owned subsidiary of Wireless Telecom Group, has developed a three-way hybrid combiner for trisector cell-site applictions from 700 to 2700 MHz. The combiner allows three input signals to be added without expensive filters. Each ...
Surface-Mount Attenuators Pad 1 To 70 dB
International Manufacturing Services (IMS) has announced the model IMA2404 thick-film, surface-mount attenuator for applications to 15 GHz. The compact attenuators are available with attenuation values of 1 to 70 dB in 1-dB increments with tolerance as ...
WiMAX Forum Picks R&S For Mobile Testing
Industry group the WiMAX Forum has selected Rohde & Schwarz and the TS8970 tester for radio comformance testing (RCT) according to the IEEE 802.16e mobile WiMAX standard. The TS8970 was picked as a reference solution for the certification of WiMAX end ...
Ferrite Sample Kit Serves RF Applications
TT Electronics MMG has created a new ferrite sample kit for RF engineers. It contains a variety of soft ferrite core materials in toroid, balun, and square geometries. The firm manufactures a full range of soft ferrite cores in both manganese-zinc and ...
TCXOs Offer OCXO-Like Stability
The T1220 temperature-compensated crystal oscillators (TCXOs) from Greenray Industries offer oven-controlled-crystal-oscillator (OCXO) like stability for temperature ranges as wide as -50 to +95oC. The oscillators, which are available with output ...
Signal Source Analyzer Gets A Boost
The "B" version of the Agilent E5052A signal source analyzer, popular among manufacturers of high-frequency oscillators, has received a tenfold improvement in measurement throughput and more precise analysis functions compared to the earlier version. The ...
Quartz Crystals Fit Size-Challenged Designs
The NX2016AA series of surface-mount quartz crystals from NDKAmerica are designed for frequency-control applications requiring extremely small size. he crystals measure only 2 x 1.6 x 0.45 mm and operate at fundamental frequencies from 24 to 80 MHz. The ...
Keithley Publishes Free Data Acquisition Handbook
A comprehensive, 220+-page data-acquisition handbook is available free of charge from Keithley Instruments. The handbook, "Understanding New Developments in Data Acquisition, Measurement, and Control," contains nine sections that cover computer buses, ...
Dorado Delivers Dual-Junction Circulator
Dorado International has announced the availability of a new X-band dual-junction ciculator for phased-array radar systems. Model 4CMD 10-1X is designed for the front-end section of X-band phased arrays and features a 10-percent bandwidth in the ...
R&D Microwaves Delivers Unequal Dividers
R&D Microwaves LLC has developed a line of unequal power dividers for applications through 2.7 GHz. Based on a patented airline structure, the components maintain a fixed split ratio (with available split ratios from 1:3 to 1:1000 or coupling factors of ...

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