Application circuit of CSJ-R05B and microcontroller

Relevant key device information applied in this article: CSJ-R05B CSJ-R05B is an industrial-grade superheterodyne micro receiving component. It adds local oscillation of surface acoustic wave resonator frequency stabilization based on the CSJ-R05A component. It is expanded by the controller and sleep (power saving) control circuit. It has good adaptability to changes in temperature, power supply voltage and usage environment, and can meet the usage requirements in harsh environments. CSJ-R05B is matched with the microcontroller The application circuit is shown in the figure below.