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.

Antenna array
Sizing Up Specifications for Microwave Dividers and Couplers
This eight-page application note provides a clear background on RF/microwave power dividers and directional combiners and how to select the components for applications in different high-frequency applications.
Demod/Mod Unit Runs 400 to 3600 MHz
This miniature demodulator/modulator covers 400 to 3600 MHz and features low-power operation with low distortion.
Sheets Form Fast PCB Shields
Ready-to-use shielding sheets are available in prefabricated SAE and metric sizes, and can be easily cut to required forms using scissors.
Digital Phase Shifter Adjusts 2 to 18 GHz
An 8-b digital phase shifter provides 1-deg. resolution from 0 to 255 deg. across a frequency range of 2 to 18 GHz.
Compact Unit Blends IDAS Combiner, Duplexer
This compact integrated assembly includes a duplexer and three-way power divider for use at 1900 and 2300 MHz.
Dual-Channel Generator Tunes 54 MHz to 13.6 GHz
A low-cost dual-channel signal generator provides +20-dBm signals to 13.6 GHz.
Rohde & Schwarz
Spectrum Analyzer Reads Signals to 85 GHz
A broadband signal/spectrum analyzer covers 2 Hz to 85 GHz in a single measurement sweep.
VCO Cuts Phase Noise at 3650 MHz
A low-noise VCO tunes to 3650 MHz and delivers +7 dBm output power in a compact, surface-mount package.
Terminations Tackle 10 W to 4 GHz
A line of 50-Ω terminations with 4.1/9.5 connectors handles as much as 10 W power through wireless communications bands through 4 GHz.
VCXOs Maintain Consistent Timing
A line of clock timing oscillators provides output frequencies from 1 to 50 MHz with low phase jitter.
Waveguide Couplers Reach 110 GHz
A line of waveguide directional couplers includes 28 models covering a total frequency range of 18 to 110 GHz.
GaAs IC Switch Channels DC to 6 GHz
A SPST switch is supplied in a compact SMT housing for applications from DC to 6 GHz.
Programming the Right Simulator for the Task
Software simulation tools are available with a wide range of functions, from simple filter design tools to integrated suites of linear and nonlinear circuit simulators and EM simulators.
Folded-Patch Antenna Targets Vehicular GPS Apps
A folded antenna design is well suited for vehicular GPS applications.
Graphene FETs Extend Beyond Millimeter Waves
Graphene FETs and diodes show great promise for millimeter-wave applications.

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