According to the application of low power loss single chip microcontrollers in oilfield truckmounted instrument, a power circuit is designed.

• 根据油田车载仪表用低功耗单片机应用的特点 ,设计了以 MAX63 8为中心的直流降压电路和以TL770 5 AC为中心的抗干扰电路组成的油田车载仪表用低功耗单片机的电源电路。