 Keeping the Right Perspective on Timing
By E.L. Fox, Jr.
Fox Electronics
Discussions about technology have the power to clarify or the power to confuse, depending on the perspective they take. And when you overlay business desires for smaller, more powerful, more economical, and more energy-efficient components, it becomes even easier to overlook the underlying physics behind technology options.
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LightSquared:
The Show’s Over
…Or Should Be
By Barry Manz
There are a lot of very technically astute people at the Federal Communications Commission. Many have decades of experience at every level of RF and microwave technology. How then might LightSquared’s proposal for a satellite/terrestrial LTE network have ever gotten past its first hurdle? Even a cursory inspection of the plan, in which the company's network would operate extremely close to GPS frequencies at L-band, makes interference to GPS devices almost a certainty. Read More...
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 Microwave Precision Fixed Attenuator
The YAT-1+ is a microwave precision fixed attenuator with a wide bandwidth of DC to 18 GHz, excellent attenuation accuracy and flatness, and a miniature package (MCLP™ 2 x 2mm). Applications include cellular, PCS, communications, radar and defense.
Mini-Circuits
 New 3 dB 90º Hybrid Coupler
Model QH9141 is a connectorized hybrid coupler covering the 150 to 2000 MHz band. Rated for 150W CW, this unit will tolerate severe port-to-port unbalances while operating with an insertion loss of only 0.85 dB maximum. Operating temperature range is -55 to +85ºC.
Werlatone
 New 4 GHz Oscilloscope
The R&S RTO1044 4 GHz high-performance oscilloscope with its 20 Gsample/s sampling rate addresses a wide variety of applications. It is ideal for analyzing fast signals and steep edges. The unit can handle different data interfaces up to a data rate of 1.6 Gbps.
Rohde & Schwarz
 Resistive Power Divider/Combiner
Model 151-270-002 is a 2-way, 50 ohm resistive power divider/combiner that has a DC to 6 GHz operating frequency range, 1.50:1 VSWR, and SMA female connectors. It exhibits 1 dB nominal insertion loss (above theoretical loss), +/-0.5 amplitude tracking, and more.
Broadwave Technologies
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January 2008
| New 3D Planar Electromagnetic (EM) Technology |
AXIEM™ software, developed specifically for 3D planar applications, RF PCBs, modules, LTCC, MMIC, and RFIC designs, is an industry first to deliver EM analysis as a true upfront design technology. Its accuracy, speed, and capacity benefit designers most by helping to diagnose issues early, thereby shortening the design process.
AWR
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SEARCH MPD’S EXTENSIVE DATABASE! |
MILITARY MICROWAVE DIGEST |
•Switch Solutions for Systems with Low PIM Requirements
Dow-Key Microwave has invested in R&D for new RF switch products designed specifically to reduce intermodulation (IM) in coaxial switches.
Dow-Key Microwave
• How to Specify RF and Microwave Filters
Covers cavity, ceramic, LC, crystal and helical filters.
Anatech Electronics
• Establishing An RF Safety Program
Topics include basic RF safety, standards, monitoring instruments, performing an emitter inventory, and the steps required to create a program.
Narda Safety Test Solutions
• Mounting Considerations for Medium Power Surface-Mount RF Devices
Covers all factors that must be considered when mounting SMT devices.
TriQuint Semiconductor
• Biasing MMIC Amplifiers
How to bias MMICs along with theory and techniques.
Mini-Circuits |
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