SX1303
SX1303 是用于网关的新一代 LoRa® 基带处理器。它在尺寸和引脚上与 SX1302 兼容,并且和 SX1302 一样,在降低电流消耗、简化散热设计、降低材料清单成本以及减小网关的整体尺寸方面表现出色。除了支持 SX1302 的所有功能之外,SX1303 还引入了新的精细时间戳功能,可实现基于送达时间差 (TDOA) 网络的地理定位。
功能
- 精细时间戳
- 高达 -141dBm 的灵敏度与 SX1250 Tx/Rx 前端
- 125kHz LoRa 接收,采用:
- 8 x 8 通道 LoRa 数据包检测器
- 8 x SF5-SF12 LoRa 解调器
- 8 x SF5-SF10 LoRa 解调器
- 启用精细时间戳记时,最多可以同时接收 8 个数据包
- 125/250/500kHz LoRa 解调器
- (G)FSK 解调器
- Direct interface to Semtech transceivers SX1250, SX1255 and SX1257
- 单 32MHz 时钟
- 智能计量
- 安全
- 智能农业
- 物流追踪
- Internet of Things (IoT)
应用
封装
- QFN68 封装
订购代码
- SX1303IMLTRT
参考设计
All the information regarding the gateway reference design based on SX1303 chip can be found at the following links
LoRa® Corecell Reference Design for fine Timestamp
Pb(Lead)-Free/RoHS-Green Info
(-40°C 至 +85°C / 4000 循环)
(50°C,4000 小时)
Datasheets & Documentation
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资源
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The LoRaWAN-based gateway is the physical layer (PHY) interface for the LoRaWAN network server (LNS). On the one hand, it listens to certain parts of the radio spectrum and decodes LoRa®-modulated signals originating from LoRa-based sensors. On the other hand, the gateway transmits messages from the network down to a sensor as LoRa-modulated signals.
The exact parameters which govern the reception and transmission of these signals is specified in the LoRaWAN Regional Parameters. The parameters are regionally differentiated because there are different regulatory requirements in different regions of the world.
Expert Series: 5 Things You Need to Know about…
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