Technologies

RF MEMS Switches Are Primed For Mass-Market Applications

Thu, 09 May 2013 17:14:00 +0000

Roger Allan

While MEMS switches offer obvious countermeasures for performance issues in smartphones, the defense and test segments also are recognizing their benefits in an array of applications.

Scanning New Products At IMS 2013

Thu, 09 May 2013 16:11:00 +0000

The IMS exhibition floor usually resembles an international marketplace, with many of the industry’s leading manufacturers showing off new hardware and software.

This is just a sampling of the wide range of components, materials, software, and test equipment on display on the exhibition floor at the 2013 International Microwave Symposium (IMS).

Oscillators Cover Multiple Bands

Thu, 09 May 2013 15:49:00 +0000

This new class of oscillator synchronously generates the signals needed for multiple-band, multimode communications with and without switching resonators or using multipliers.

Current-Mode Amp Powers 2.4 GHz

Thu, 09 May 2013 14:47:00 +0000

Sichun Du, C.W. Chan, Hongxia Yin, and Wenbin Huang

It is possible to apply switch-mode approaches to a silicon CMOS semiconductor process to fabricate a current-mode power amplifier with high gain and efficiency for use in 2.4-GHz wireless applications.

Switch-mode techniques can be used to bias a 2.4-GHz CMOS PA to achieve high efficiency.

Understand HSPA+ Concepts And Measurements

Thu, 09 May 2013 14:05:00 +0000

Given the budget advantages, many operators have chosen HSPA+ over Long Term Evolution (LTE) as their short-term upgrade strategy.

Software And Modeling Unite To Raise Yield

Thu, 09 May 2013 13:46:00 +0000

By combining passive component models with EDA software, this solution promises to improve design flow efficiency while paving the way for first pass design success.

Experiments Begin For Communications Testbed

Thu, 09 May 2013 13:35:00 +0000

In addition to raising its understanding of software-defined-radio (SDR) technologies and how they may aid NASA’s communications, this technology is expected to provide both cost savings and efficiency.

Manpack Radio Calls On-Orbit MUOS Satellite

Thu, 09 May 2013 13:23:00 +0000

Using the same cell-phone technology that powers commercial smartphones, the PRC-155 Manpack has demonstrated the capability to communicate with the MUOS space-ground network.

Smartphones Prove Their Worth As Satellites

Thu, 09 May 2013 13:17:00 +0000

Three smartphones, which are destined to become low-cost satellites, rode to space last month on the maiden flight of Orbital Science Corp.’s Antares rocket. It was launched from NASA’s Wallops Island Flight Facility in Virginia.

GaN-On-Diamond Breakthrough Promises To Shrink Transistors

Thu, 09 May 2013 13:08:00 +0000

The feasibility of GaN-on-diamond HEMT devices has been proven with the successful transfer of a semiconductor epitaxial overlay onto a synthetic diamond substrate.