The utility model discloses a wireless receiving and transmitting device for energy metering based on CC1120, which relates to the field of RF circuit design. The utility model has the advantages of the Internet of things based on CC1120 energy measurement device includes a wireless transceiver chip CC1120, LDO power supply circuit, the power supply circuit of LDO CC1120 chip power supply; the CC1120 chip is connected with a clock circuit; the CC1120 chip LNA-N pin, LNA-P pin and TRX-SW pin and the PA pin is connected with the receiving / transmitting link through and the receiving / transmitting link common RF input / output port is connected with the TVS tube; the CC1120 chip, the LDO power supply circuit, the clock circuit and the receiving / transmitting link are installed on the same piece of PCB board. Because the utility model adopts the scheme of four layer PCB layout in the Internet of things energy measurement wireless transceiver device based on CC1120, the device is more stable in the process of use, and ensures the reliability of the system.
【技术实现步骤摘要】
【技术保护点】
一种基于CC1120的物联网能源计量无线收发设备，其特征在于，包括CC1120芯片以及LDO供电电路，所述LDO供电电路为CC1120芯片供电；所述CC1120芯片还连接有时钟电路；所述CC1120芯片还通过LNA?N引脚、LNA?P引脚、TRX?SW引脚和PA引脚连接有接收/发射链路，所述接收/发射链路公用射频输入/输出端口还连接有TVS管；所述CC1120芯片、所述LDO供电电路、所述时钟电路以及所述接收/发射链路都安装于同一块PCB板上，所述PCB板的布局叠层为四层，第一层为射频走线层，第二层为地层，第三层为电源层，第四层为信号控制走线。
【技术特征摘要】
【专利技术属性】
技术研发人员：程体飞，赵勇，胡芸华，
申请(专利权)人：成都千嘉科技有限公司，
类型：实用新型
国别省市：
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