Jack Browne

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
SPDT Switch Spans 20 To 2500 MHz
JFW Industries has developed a high-power broadband single-pole, double-throw switch. Model 50S-1530 is a SPDT switch that handles 50 W CW power from 20 to 2500 MHz and is designed for applications where reliability is critical. The rugged switch ...
Monolithic Switch Tames 0.5 To 18.0 GHz
Model CSW0118-BD is a monolithic microwave integrated circuit (MMIC) single-pole, double-throw (SPDT) switch from Mimix Broadband with more than 35-dB isolation between ports from 0.5 to 18.0 GHz. The MMIC switch suffers only 1.8 dB insertion loss over ...
Amplifier Drives 2 W From 800 to 1000 MHz
M/A-COM has announced the model MAAP-007649-000100 power amplifier for applications from 800 to 1000 MHz. It drives 2 W output power over that frequency range and provides optimum performance for radio-frequency-identification (RFID) reader applications ...
Lowpass Filters Screen DC To 7200 MHz
The VLF-Series lowpass filters from Mini-Circuits provide wideband stopbands and sharp transition bands over a full frequency range of DC to 7200 MHz. With power-handling capability to 7 W, the rugged filters are supplied in stainless-steel enclosures ...
Free Catalog Contains Shielding Products
A variety of EMI/RFI shielding products is collected in the 2007 edition of the Tech-Etch catalog. It features conductive foam gaskets, finger stock gaskets, D-connector gaskets, board-level shielding, knitted mesh shielding, elastomer gasket materials, ...
Divider/Combiner Runs 2 To 4 GHz
Model A4200-2 is a two-way power divider/combiner from ARRA with better than 20-dB isolation between ports over its operating range of 2 to 4 GHz. The octave-band divider/combiner exhibits maximum VSWR of 1.30:1 with maximum insertion loss of 0.3 dB. The ...
Sofware Drives Scopes For Serial Data Testing
LeCroy has announced the availability of its QualiPHY(TM) MS Windows-based application software for use with any of its 2-GHz and higher-frequency real-time or sampling oscilloscopes as well as with protocol analyzers. The software and hardware simplify ...
Power Amplifier Drives 20 To 1000 MHz
Comtech PST has announced the model BM2719-80-3 solid-state power amplifier with 80 W output power from 20 to 1000 MHz. Ideal for military systems and instrumentation applications, the Class AB linear amplifier provides 50-dB gain with maximum input VSWR ...
Ruggedized Synthesizers Soar to 23 GHz
RF Series frequency synnthesizers from Elcom Technologies are single-loop designs with 50-microsecond frequency switching speed across bandwidths as wide as 25 percent from 1 to 23 GHz. The phase-lock-loop (PLL) synthesizers feature step sizes of 1, 5, ...
Signal Generator Tunes 9 kHz to 1.2 GHz
AR Worldwide has introduced the model SG1200, a compact signal generator with 1-Hz frequency resolution from 9 kHz to 1.2 GHz. Output-power levels can be adjusted from -140 to +13 dBm with 0.1-dB resolution. The phase noise is better than -124 dBc/Hz ...
SPDT Switches Control DC To 33.5 GHz
Single-pole, double-throw (SPDT) switches in the CCR-33K series from Teledyne Relays are electromechanical designs suitable for applications above 26.5 GHz. The break-before-make latching switches offer a bandwidth of DC to 33.5 GHz with insertion loss ...
Wideband Power Sensor Supports On-Site Testing
When combined with the company's Site Analyzer, model 5000-EX ditgital power meter, or a personal computer, the model 5012 wideband power sensor from Bird Electronic Corporation can perform a wide range of power measurements for cellular site management ...
Vector Signal Generator Aims At Economy
The model p1211B vector signal generator from precisionWave is an economical test solution for emulating the complex modulated signals found in modern wired and wireless communications systems. It covers the main cellular bands from 800 to 1000 MHz and ...
Microstrip Band- Reject Filter Makes Use Of Metamaterial Substrate
METAMATERIAL SUBSTRATES feature dielectric behavior that can be altered by the application of a voltage. In order to understand how such materials might be used in the design of a band-reject filter, Zachary Thomas and a group of fellow researchers ...
Keeping That New Year's Resolution
For an RF/microwave engineer, a New Years resolution could be as simple as the resolution to get better as an engineer, family member, and friend.
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