Semtech SX1308 Digital Baseband Chip

Semtech SX1308 Digital Baseband Chip is a massive digital signal processing engine specifically designed to offer breakthrough gateway capabilities in the ISM bands worldwide. This chip integrates the LoRa®concentrator IP, which simultaneously receives several LoRa packets using random spreading factors on random channels. Semtech SX1308 chip features up to -139dB sensitivity with SX1257 or SX1255 Tx/Rx front-end and 70dB CW interferer rejection at 1MHz offset. Typical applications include smart metering, Internet of Things (IoT), security sensors network, and agricultural monitoring.

Features

  • Up to -139dBm sensitivity with SX1257 or SX1255 Tx/Rx front-end
  • Dual digital Tx and Rx radio front-end interfaces
  • 70dB CW interferer rejection at 1MHz offset
  • Dynamic data-rate adaptation (ADR)
  • Able to operate with negative SNR with a CCR up to 9dB
  • Emulates 49x LoRa demodulators and 1x (G)FSK demodulator
  • 10 programmable parallel demodulation paths
  • True antenna diversity or simultaneous dual-band operation

Applications

  • Smart metering
  • IoT
  • Security sensors network
  • Agricultural monitoring

Block Diagram

Block Diagram - Semtech SX1308 Digital Baseband Chip
發佈日期: 2018-10-23 | 更新日期: 2023-05-16