GNS4540BC GPS芯片说明The single-chip GPS solution GNS4540 is designed for cellular handsets and mobile consumer electronics, automatically adapts to the user's signal environment, so it tracks continuously and accurately where other solutions drop out.Key FeaturesHigh sensitivity-157 dBm acquisition sensitivity in A-GPS and autonomous hot-start modes - 159 dBm tracking sensitivity Excellent TTFF and accuracy Optimized for both cellular handset and portable consumer device integration. Advanced proprietary tracking and multipath algorithms for robust, low dropout tracking in indoor, very low signal, and rapid signal transition environments. Hosted architecture optimized for cost and performance, with broad, high-level and real-time kernel OS support. Supports GSM,W-CDMA and CDMA control plane A-GPS assistance data Exceeds 3GPP and 3GPP2 performance requirements Ultra-low power consumption: Supports all common GPS and cellular handset reference frequencies (10 to 50 MHz) Very low external component count and PCB size Supports ultra-low-cost PCB dipole antennas UART and SPI host interfaces Operating temperature range: -40 to + 85 °C 84-ball CABGA package (9 x 6 x 1.5 mm, 0.65-mm pitch) ApplicationsCellular handset integration for navigation, and location-based services.Personal Navigation devices (PNDs) Handheld consumer navigation and multifunction devices Digital cameras Battery-operated GPS devices 规格书： http://www.stericsson.com/sales_marketing_resources/GNS4540FL_1.pdf  GNS4540BC GPS芯片现货订购热线： 电话： 0755-8278 2277 手机： 13823737353 传真： 0755-83138727 Email：ryan#gongwin.com QQ： (责任编辑：www.gongwin.com) |
