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
Published: 2018-10-23
| Updated: 2023-05-16
