Microwaves & RF

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.

Articles by Jack Browne

Satcom Links Work On Choppers

Hughes has demonstrated the capability of operating satcom links on board helicopters, even with working through the rotors.

CRO Tunes From 5580 To 5685 MHz

A compact oscillator tunes from 5580 to 5685 MHz with low phase noise and low harmonic content.

Diplexer Screens CATV Systems

A miniature, surface-mount diplexer filter is designed for CATV applications through 1 GHz.

Splitters Serve In-Building DAS

A family of unequal power dividers includes models with split ratios as high as 10:1 for frequency coverage from 698 to 2700 MHz.

Directional Coupler Links 225 To 2500 MHz

A dual directional coupler handles as much as 100 W input power with low insertion loss from 225 to 2500 MHz.

SDLVA Captures Signals To 6 GHz

A miniature SDLVA provides fast pulse detection and processing with a 70-dB dynamic range from 0.25 to 6.0 GHz.

GaAs Switch Controls 4.5 GHz

This GaAs SPDT switch operates from 100 to 4500 MHz with high isolation and low insertion loss.

Amplifier Boosts Optical Signals

A broadband driver amplifier is suitable for use in Mach Zender modulators at rates to 400 Gb/s.

Portable Analyzers Scan Signals To 2.7 GHz

These portable spectrum analyzers are battery powered for in-field applications through 2.7 GHz.

Amplifiers Aid EMC Measurements

A new series of high-power amplifiers for EMC testing includes models operating from 0.8 to 3.0 GHz with output levels from 30 to 200 W.

PCB Millers At New England Show

Circuit-board milling machines are on display at an upcoming New England electronics trade show.

Passive Components Pack More Power

Passive components for RF/microwave use are following a trend of smaller packages and higher power densities.

Keeping Power Levels In Check

Directional couplers and power dividers/combiners are used for summing and dividing high-frequency signals.

Tiny Attenuators Set Levels To 18 GHz

These tiny fixed attenuators belie their small size with 2-W power-handling capability and precise attenuation values from DC to 18 GHz.

ISM Applications Seek Higher Frequencies

As millimeter-wave transceivers become more accessible, the use of higher frequencies for short-range ISM-band applications becomes more feasible.

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