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.

Xingers Process WiMAX Signals
The latest additions to the Xinger II (R) family o signal processing components includes 3-dB 90-deg. and directional couplers designed for WiMAX applications at 2.5 and 3.5 GHz. The product lines include the model XC2500P-03 3-dB hybrid with 30-W ...
December 21, 2006 Newsletter
============================== Microwaves & RF UPDATE MWRF - www.mwrf.com December 21, 2006 ============================== Greetings and welcome to your personal copy of PlanetEE's Microwaves and RF UPDATE e-newsletter. Please see below for ...
Coax Circulator Chennals 225 To 400 MHz
Renaissance Electronics Corp. has developed a 225-to-400-MHz coaxial circuator for military communications applications. The lumped-element circulator features a patent-pending design that preserves the symmetry between ports while achieving broadband ...
Compel Launches Push-Pull Connectors
Compel Electronics has announced extensions to its line of "push-pull" make SMA coaxial connectors. The firm's patented design is suitable for applications through 18 GHz. Male-to-male and male-to-female adapters have also been developed. The maximum ...
Keithley Offers Free 2007 Catalog
Keithley Instruments is offering the 2007 edition of its Test and Measurement Product catalog. It is packed with selector guides, practical tutorial information, and updates on the company's extensive lines of measurement and data-acquisition ...
Fast Synthesizer Tunes 2 To 18 GHz
The second generation of a compact frequency synthesizer from Wide Band Systems is well suited for measurement applications. The agile source tunes from 2 to 18 GHz in 1-MHz steps (other resolutions are available) with 3-microsecond typical switching ...
Maury Microwave Offers Load-Pull Seminar
Maury Microwave is hosting a three-hour seminar on load-pull testing using the company's high-reflection impedance tuner with a commercial vector network analyzer. The seminar, which is scheduled from 1 to 4 PM on January 10, 207 at the 2007 IEEE Radio ...
VXIbus Synthesizer Reaches 20 GHz
Model 114XB from Phase Matrix/EIP Microwave is a synthesized signal generator that fits into three VXI card slots. It operates from 0.001 to 20 GHz with 1-Hz frequency resolution. The output power can be adjusted over a range from -90 to +16 dBm with ...
Low-Cost Generator FIres On Four Channels
The model 409A signal generator from Novatech Instruments provides four simultaneous signal channels from 0.1 Hz to 171 MHz with 0.1-Hz frequency resolution. Based on the AD9959 direct-digital-synthesizer (DDS) chip from Analog Devices, the signal ...
VXI Technology Offers LXI Handbook
VXI Technology, Inc. has announced a handy LXI Capabilities Handbook in support of the release of Version 1.1 of the LXI standard for local-area-network (LAN) remote control and interoperability of test instruments. The handbook details key attributes of ...
High-Power Hybrid Handles Radar Signals
Response Microwave has developed a high-power 90-deg. hybrid coupler that is ideal for radio and radar transmitter applications. Model RMHY3.500Nf operates over the octave band from 250 to 500 MHz with 3-dB coupling flatness of within 1 dB and ...
Calibration Approach Stabilizes 100-Mb/s UWB Pulse Generator
Ultrawideband-Communications technology promises high data rates with low transmit power levels over short distances. To be effective, however, such systems require effective, low-cost pulse generators. For that reason, Che-Fu Liang and S.-I. Liu of the ...
CMOS Yields 9-To-31-GHz Subharmonic Passive Mixer
Silicon-CMOS Technology has rarely been associated with millimeter-wave signal-processing applications. But Mingquan Bao and associates from the Microwave and High Speed Electronics Research Center at Ericsson Research (Molndal, Sweden) have designed and ...
GaN FET Generates 81.3 W At 9.5 GHz
This discrete field-effect transistor is the most powerful commercial GaN device yet developed at this frequency and is a strong sign of the technologys high-power potential.
High-Efficiency Power Amplifier Generates 2.8 W At Q-Band Frequencies
In support of emerging millimeter-wave communications systems, Michael Aust and associates from Northrop Grumman (Redondo Beach, CA) have developed a high-efficiency monolithic power amplifier capable of 2.8 W (+34.5 dBm) output power at Q-band ...

How to Do Fixture De-Embedding to Match Signal Integrity Simulations to Measurements​
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Testing S-Parameters on Pulsed Radar Power Amplifier Modules​
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