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.

Adjusting Amplitude Through Attenuation
Advances in attenuators include designs that minimize PIM distortion and attenuators with responses that vary with temperature.
Handheld Analyzers Conquer 50 GHz
These six portable analyzers start with spectrum analysis and add a number of other measurement capabilities at frequencies through 50 GHz.
Modular System Monitors Spectrum Remotely
The Remote Spectrum Monitor is a 12- or 24-input-port unit with measurement capability to 6 GHz. It performs high-speed sweeps and scans of occupied bandwidth in search of interference and other “problem” signals.
SPDT Switch Controls 10 MHz to 40 GHz
A broadband SPDT switch offers high isolation from 10 MHz to 40 GHz.
VCXOs Cut Noise from 131 to 200 MHz
A compact VCXO covers a frequency range of 131 to 200 MHz with low phase noise.
Control Devices Reach 40 GHz
These control devices replace beam-lead diodes in many applications from 50 MHz to 40 GHz.
Variable Attenuators Reach 110 GHz
A line of variable attenuators has been developed for frequencies from 33 to 110 GHz.
GaN Amplifier Powers 9 to 10 GHz
A compact GaN-based amplifier provides 40 W output power from 9 to 10 GHz.
Four-Way Divider Runs DC to 6 GHz
A four-way power divider operates from DC to 6 GHz with SMA connectors.
GaAs IC Switch Spans DC to 8 GHz
A hermetic packaged SPDT switch offers low loss and high isolation from DC to 8 GHz.
Amplifier Drives 20 to 500 MHz
This compact amplifier provides 100 W output power from 20 to 500 MHz.
RF Module Cures Medical Design Woes
A transceiver module is designed for implantable medical applications in the MICS band.
Compact MIMO Antenna Powers Portable UWB
A compact MIMO antenna for UWB communications applications includes a notched region to avoid interference with WLAN systems.
Medical center
Terahertz Imaging Helps Analyze Breast Tumor Tissue
The use of THz imaging can prove quite useful in identifying cancerous tumors in breast tissue.
Wireless communications
Generating Frequency-Tunable Continuous-Wave THz Signals
This use of fiber and lasers may provide a cost-effective means of generating tunable terahertz signals.

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