Power supply circuit for spectrograph mainboard

The utility model relates to the technical field of spectrograph control, in particular to a power supply circuit for a spectrograph mainboard, which consists of two parts of circuit modules, a 24V power supply is input, voltage reduction is performed on a voltage stabilizer, and filtering and voltage stabilizing devices are reasonably arranged, so that an FPGA (Field Programmable Gate Array) acquisition chip and a singlechip chip can obtain stable working voltage, normal control data is ensured, and the power supply circuit is suitable for a spectrograph mainboard. And the accuracy of spectrograph data detection is improved. 本实用新型涉及光谱仪控制技术领域，具体为一种光谱仪主板用电源电路，其由两部分电路模块组成，输入24V电源，经过为稳压器降压，并合理设置滤波和稳压器件，使得FPGA采集芯片和单片机芯片能够得到稳定的工作电压，确保了控制数据正常，提高了光谱仪数据检测的精确性。