概览
SX1272/73 收发器设有 LoRa® 长距离调制解调器，可提供超长距离扩频通信并具有较高抗干扰性，可将电流消耗降到最低。
使用 Semtech 获得专利的 LoRa 调制技术 SX1272/73，可使用低成本晶体和材料清单实现 -137dBm 以上的灵敏度。此类收发器具有超高灵敏度，并集成 +20 dBm 功率放大器，实现业界领先的链路预算，是要求大范围和高强度的应用的最佳选择。LoRa 还赋予了传统模块技术难以企及的模块化和灵敏度优势，结束了传统设计必须在范围、抗干扰性和能耗之间做出取舍的窘况。
功能
- LoRa 调制解调器
- 最大链路预算为 157 dB
- 在 100 mW 恒定射频输出和 V 电源电压时，链路预算为 +20 dBm
- +14 dBm 高效率 PA
- 可编程位，速率高达 300 kbps
- 灵敏度高：低至 -137 dBm
- 防弹前端：IIP3 = -12.5 dBm
- 89 dB 阻断抗扰性
- 电流低：RX 为 10 mA，保持寄存器时为 100 nA
- 高度集成的合成器，分辨率 61 Hz
- FSK、GFSK、MSK、GMSK、LoRa 和 OOK 调制
- 内置位同步器，可用于时钟恢复
- 前导检测
- 127 dB 动态范围 RSSI
- 自动射频感应和带超快速 AFC 的 CAD
- 使用 CRC 的封包引擎，高达 256 字节
- 内置温度传感器和低电量指示灯
| 文档 | Release Date | Type |  |
|---|---|---|---|
| 固件驱动程序和 LoRaWAN Stack V4.1.0 | 2019-07-29 | ZIP | |
| 固件驱动程序 V2.1.0- 旧版，请勿用于新的实施 | 2019-07-29 | ZIP | |
| 数据包错误率固件 | 2023-11-02 | ZIP | |
| SX1272 Starter Kit PC GUI Installer | 2024-03-07 | EXE | |
| PC GUI (2.0.0.Beta3) | 2019-04-18 | EXE | |
| SX1272 LoRa Calculator (see AN1200.13 and AN1200.17) | 2019-11-14 | ZIP | |
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Inventory
| Product | 国家/地区 | 经销商 | Qty | Buy |
|---|
资源
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