GPS
来自Jack's Lab
（版本间的差异）
(→VENUS828F) |
(→VENUS828F) |
||
| 第16行： | 第16行： | ||
== VENUS828F == | == 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 | ||
[http://wiki.jackslab.org/images/Venus828F_DS_v.0.4.pdf VENUS828F Datasheet] | [http://wiki.jackslab.org/images/Venus828F_DS_v.0.4.pdf VENUS828F Datasheet] | ||
2017年10月16日 (一) 08:27的版本
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
