GPS
来自Jack's Lab
(版本间的差异)
(→VENUS828F) |
(→LNA) |
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(未显示1个用户的3个中间版本) | |||
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== 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 | |
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+ | [[文件:VENUS828F-Ref-mini.png]] | ||
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+ | [[文件:VENUS828F-Ref-max.png]] | ||
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[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] | ||
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* 外围电路简单 | * 外围电路简单 | ||
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<br><br> | <br><br> | ||
2017年10月16日 (一) 08:33的最后版本
目录 |
[编辑] 1 AT6558
[编辑] 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
[编辑] 3 LNA
[编辑] 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
[编辑] 3.2 MAX2659