Hsinchu, Taiwan (SPX) Nov 17, 2010
SkyTraq introduces S4554GNS, a high-performance low- power GLONASS/GPS receiver. The 88-channel receiver features industry leading 29 second cold start TTFF, -155dBm tracking, and -145dBm cold start sensitivity, offering best-in-class performance among GLONASS/GPS receivers on the market.
The S4554GNS is capable operating in GPS-only, GLONASS- only, and GLONASS + GPS modes. It is ideal for navigation and tracking applications requiring high- performance lower-cost GLONASS/GPS receiver.
Using dual GLONASS + GPS navigation satellite systems, S4554GNS offers better satellite signal availability performance. Dedicated search engine within S4554GNS is capable of performing 10 million time-frequency hypothesis testing per second, offering industry-leading signal acquisition performance for GLONASS and GPS signal.
Advanced track engine enables continuous locking of signals down to -155dBm, combining multipath detection and mitigation algorithm; it is capable of continuous accurate navigation in difficult urban canyon and deep foliage conditions.
S4554GNS comes in compact 45mm x 54mm form factor, with SMA connector and 20-pin header for easy plug-and-play usage. The operating temperature range is -40 ~ +85degC.
Volume delivery to customer begins in February 2010. Engineering sample, datasheet, reference design, and evaluation kits are available now.
The device contains all the necessary components of a GPS receiver, including GPS RF and baseband, SAW filter, LNA, 0.5ppm TCXO, RTC crystal, LDO regulator, and passive components. A complete GPS receiver requires only antenna and power supply to work. Exceptional low cascaded RF section noise figure of 1.2dB allows Venus638FLPx to work directly with passive antenna, reducing much cost.
Best-in-class TTFF, low power, high sensitivity performance and miniature size make Venus638FLPx an ideal choice for embedding location awareness into portable applications.
Dedicated signal parameter search engine capable of performing 8 million time-frequency hypothesis testing per second offers fastest signal acquisition performance in the industry. Advanced track engine along with multipath and jamming detection mitigation algorithms allows continuous accurate navigation in harsh environments such as urban canyon and under deep foliage.
Venus638FLPx has 8Mbit internal Flash, 2 UART, 2 SPI, I2C, and 19 GPIO pins. Flash-based design makes it capable of supporting customized firmware; 50% usage of Flash memory by the GPS kernel software enables possibility of simple user application development on the remaining 512kByte program space. Venus638FLPx has operating temperature range of -40 ~ +85degC.
Volume delivery of Venus638FLPx to customers begins in December 2010; engineering sample, datasheet, reference design, and evaluation kits are available now. Equivalent performance ROM type Venus638LPx for extremely cost-sensitive volume application will be shipping in Q1 2011.
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SES To Contribute To Galileo Operations
Munich, Germany (SPX) Nov 15, 2010
Global satellite operator SES S.A. has become a key partner in the future operations of Europe's Galileo satellite navigation system. ASTRA TechCom Services, an SES company, has signed a contract with Spaceopal, the company providing ground-based services required to operate the Galileo constellation until it has been fully deployed. The agreement was signed in Munich by Gerhard Beth ... read more
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