概览

The XE1205 is an integrated transceiver operating in the 433, 868 and 915 MHz license-free ISM (Industrial, Scientific and Medical) frequency bands; it can also address other frequency bands in the 180-1000 MHz range. Its highly integrated architecture allows for minimum external components while maintaining design flexibility.

功能

  • Programmable RF output power: up to +15 dBm
  • Rx 灵敏度高：在 1.2 kbit/s 和 4.8 kbit/s 时分别低至 -121 dBm 和 -116 dBm。
  • 低功耗：RX = 14 mA；15 dBm 时 TX = 62 mA
  • 可在 300 至 1000 MHz 频率范围内工作
  • 频段运行速率范围广：最高 304.7 kb/s，NRZ 编码
  • Narrow band operation: 25 kHz channels for data rates up to 4.8 kbit/s, NRZ coding; optional transmitter pre-filtering to enable adjacent channel power below -37 dBm at 25 kHz
  • On-chip frequency synthesizer with minimum frequency resolution of 500 Hz
  • 连续相 2 电平 FSK 调制功能
  • Incoming data pattern recognition
  • 内置位同步器，可用于输入数据和时钟的同步与恢复
  • 带内置 AFC 的 FEI（频率偏差指示器）
  • RSSI（接收信号强度指示）
  • 16-byte FIFO for transmit / receive data buffering and transfer via SPI bus

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