Telecoms ♦ news digest track how land and water are being used.
“For example, irrigated fields are cooler than those suffering from a lack of moisture,” says Veronica Otero, TIRS thermal engineer.
With nearly 80 percent of the fresh water in the Western U.S. being used to irrigate crops, TIRS will become an invaluable tool for managing water consumption, says Rick Allen, director of water resources research at the University of Idaho, in Kimberly, Idaho.
LDCM is scheduled to launch in January 2013 from Vandenberg Air Force Base in California. Aboard LDCM are two instruments, TIRS and an imaging sensor called the Operational Land Imager (OLI) built by Ball Aerospace & Technologies Corporation, Boulder, Colorado. OLI collects data in the visible, near infrared and short wave infrared spectrum.
LDCM is the eighth satellite in the Landsat series, which began in 1972 with the launch of Landsat 1, and extends the world’s longest-running satellite program for global land observations. NASA and the U.S. Department of the Interior through the U.S. Geological Survey (USGS) jointly manage Landsat and the USGS preserves a 40-year archive of Landsat images with free distribution of data over the Internet.
Because of this freely available data of more than three million current and archived images of Earth, Landsat data is the basis for thousands of university research papers, the foundation for commercial innovations like Google Earth, and a cornerstone of U.S. space cooperation with foreign nations. More than 20 nations on six continents operate local receiving stations for Landsat data.
Anadigics’ new InGaP family supports E-UTRA Band
The devices are manufactured using the firm’s advanced indium gallium phosphide HBT MMIC technology
The company’s small-cell wireless infrastructure PA family delivers a combination of high output power, efficiency, and linearity and are optimised for the
“The continual increase in consumer demand for wireless data is fuelling the rapid deployment of small-cell wireless infrastructure devices, such as picocells and femtocells,” said Glenn Eswein, director of product marketing for broadband RF products at Anadigics.
“Anadigics’ small-cell power amplifier family delivers the highest output power, power-added efficiency, and linearity in its class, enabling manufacturers to develop compact, aesthetic, high throughput devices that offer service providers an economical path to expand broadband network coverage. Working closely with device manufacturers, we are expanding this family to help bring the same performance and design flexibility to additional frequency bands.”
The AWB7128 and AWB7228 wireless infrastructure PAs are optimised for WCDMA, HSPA, and LTE small-cell base stations operating in the 2620 MHz to 2690 MHz frequency band.
The AWB7128 provides +24.5 dBm linear output power, while the AWB7228 delivers +27 dBm linear output power. These power amplifiers use Anadigics’ InGaP-Plus technology to achieve best-in-class efficiency and linearity at these output power levels, enabling small-cell wireless infrastructure solutions that are more thermally- efficient, consume less power, and provide a greater range.
March 2012
www.compoundsemiconductor.net 85 rapidly growing class of small-cell base stations.
The two new power amplifiers (PAs), the AWB7128 and AWB7228, are optimised for WCDMA, HSPA, and LTE base stations.
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