High-frequency electrotome power supply circuit

The utility model discloses a high-frequency electrotome power supply circuit which comprises a power supply control circuit, the power supply control circuit is connected with a control signal conversion circuit, the control signal conversion circuit comprises a digital-to-analog conversion chip U4 and a peripheral circuit, and the digital-to-analog conversion chip U4 is connected with a single-chip microcomputer MCU. The high-frequency electrotome power supply circuit is simple in structure, safe and reliable in work, and capable of fully meeting the function requirement that the output power of a high-frequency electrotome can be finely adjusted in a wide range, and the EMC performance and the work efficiency of the whole high-frequency electrotome can be effectively improved. 本实用新型公开了一种高频电刀功率电源电路，包括电源控制电路，所述电源控制电路连接有控制信号转换电路，所述控制信号转换电路包括数模转换芯片U4及外围电路,所述数模转换芯片U4连接单片机MCU。本实用新型高频电刀功率电源电路结构简单，工作安全可靠，能充分满足高频电刀输出功率宽范围精细可调的功能需要，能有效提高整个高频电刀的EMC性能，以及工作效率。