GPS
来自Jack's Lab
目录 |
1 AT6558
2 VENUS828F
- Smallest self-contained multi-GNSS module
- Supports GPS, Beidou, QZSS, SBAS
- 20Hz maximum update rate
- -148dBm cold start sensitivity
- -165dBm tracking sensitivity
- 29 second cold start TTFF
- 3.5 second TTFF with AGPS
- 1 second hot start
- 2.5m accuracy
- Multipath detection and suppression
- Jamming detection and mitigation
- QZSS and SBAS support
- Self-aided ephemeris estimation
- Supports external SPI flash memory data logging
- Complete receiver in 7mm x 7mm x 1.4mm size
3 LNA
3.1 AT2659
- 支持BDS、GPS、GALILEO、GLONASS等L1频段的多个卫星导航系统;
- 典型噪声系数:0.71dB;
- 典型功率增益:23dB;
- 典型输入P1dB:-14dBm;
- 工作频率:1550MHz ~ 1615MHz;
- 典型工作电流:4.4mA;
- 宽供电电压范围:1.4V ~ 3.6V;
- 所有管脚支持2.5KV HBM ESD保护
- 内部集成的50Ω输出匹配电路;
- 外围电路简单
3.2 MAX2659