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In the last few years, the architectural design of satellite communications payloads has benefited from the view point of flexibility, from the adoption of Multiport Power Amplifiers (MPA). Multiport power amplifiers offer a means to combine discrete amplifiers in a way that is reconfigurable and will degrade gracefully in...

A novel design of a single-stage microwave distributed amplifier is presented in this article. The design is based on the use of a Chebyshev polynomial to express the transducer power gain of the distributed amplifier. The obtained amplifier provides a considerable increase in the bandwidth as compared to both...

Over the past decade, extensive research on broad dual- or multi-band antennas, with low-profile, lightweight, flush mounted and single-feed to fit the limited equipment space of portable wireless devices, has contributed to the development of modern communication technology. In the past, a whole host of dual- or multi-band planar...

Mimix Broadband’s XD1008-QH is a packaged broadband PHEMT distributed amplifier designed for medium power output over the 500 MHz to 32 GHz frequency range. It features gain slope adjustment, wide dynamic range gain control, 50 Ω match on the input and output ports, and robust protection against ESD damage....

It is obvious that the selection of the transistor for a power amplifier circuit is critical. However, it is often less obvious how the properties of the printed circuit board (PCB) can impact overall performance. The materials used to make the PCB can have an influence on a power...

Harris Corp. has received a follow-on $10.7 M order from the US Navy for 23 shipboard terminals that will provide personnel onboard frigates, access to the Internet, video and other high-speed, broadband services. These capabilities will help sailors stay better connected to their families and allow them to easily...

Satellite-based communications, with their broad coverage areas, allow geographically dispersed users to exchange information quickly and efficiently. Higher bandwidth availability and networking requirements in Military Satellite Communications (MilSatCom) create new opportunities for advanced electronic components. The Strategy Analytics Advanced Defense Systems (ADS) service report, "MilSatcom Electronic Market Trends through...

Northrop Grumman Corp. technicians have begun installing the first set of hardware for a B-2 stealth bomber upgrade that will eventually allow the jet to send and receive battlefield information up to 100 times faster than its current satellite communications system. The work is being done as part of...

The ZigBee® Alliance, a global ecosystem of companies creating wireless solutions supporting energy management in residential, commercial and consumer electronics applications, has announced its intention to expand its participation in the European Union's various standardization efforts. The Alliance will focus on the European Union's Smart Grid programs and on...

The UK Business Secretary, Lord Mandelson, has asked the Technology Strategy Board to guide the development of a network of technology and innovation centres that will help deliver the industries and jobs of the future. The Board has been tasked to work with industry, stakeholders, and wider government including...