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Ultra-wideband (UWB) is a technology for transmitting information spread over a large bandwidth that should be able to share spectrum with other users. This is the main reason why UWB has attracted much attention from the wireless community, both from standardization bodies and chip manufacturers. The UWB frequency range...

Base station applications for WiMAX require low noise amplifiers (LNA) with low noise figures, high linearity, compact size, and excellent input and output return loss. 1 A balanced amplifier topology is often the preferred choice in LNA applications for base station transceiver front-ends, because it presents several advantages over...

With the introduction of high-definition video signals operating at data rates up to 1.485 Gb/s for 1080i and 2.97 Gb/s for 1080p, a new generation of BNC connectors needs to perform at significantly higher frequency than standard BNCs in broadcast studio and transmission applications. To meet the broadcast industry’s...

Cavity filters and dielectric resonator (DR) filters are widely used in communication systems. However, the need for more efficient filters is even greater with the advent of new 4G networks overlaying the existing 3G infrastructure, particularly in areas of limited spectrum and base station resources. Requirements for high attenuation...

RF Micro Devices Inc. (RFMD) announced that it has production released the RF3932, a 75 W, highly efficient gallium nitride (GaN) RF unmatched power transistor (UPT) that delivers superior performance versus competing GaAs and silicon power technologies. The release of the RF3932 follows the recent release of the 140...

M/A-COM Technology Solutions Inc. , a supplier of semiconductors, active and passive components and subassemblies for RF, microwave and millimeter-wave applications, announced that its Santa Clara Design Center has moved to a new facility with state-of-the-art equipment to accommodate the expanded engineering and business functions that occur at this...

RF and microwave switches are used extensively in wireless systems for signal routing, finding wide use in switching signals from antennas to the transmit and receive chains. They are one of the highest volume RF devices in use today, as several devices are typically contained in a block diagram....

The US Navy awarded Lockheed Martin a $119 M contract to demonstrate its conceptual designs for the Air and Missile Defense Radar (AMDR) intended to upgrade the Navy’s future capability against advanced anti-ship and ballistic missile threats. Lockheed Martin was one of three industry teams competitively selected to advance...

Raytheon Co. also received a $112.3 M contract to design and develop an S-band radar and radar suite controller technology demonstrator for the US Navy’s new Air and Missile Defense Radar (AMDR). This highly advanced system will provide unprecedented capabilities for the Navy’s Arleigh Burke-class destroyers. AMDR is being...

The US Navy has also awarded Northrop Grumman Corp. a $120 M contract to conduct technology development for the Air and Missile Defense Radar (AMDR). A next generation radar system planned for the Navy’s Future Surface Combatant, AMDR is designed as a scalable, multi-mission radar system. AMDR is comprised...