电平

• The bus is " idle " when both lines are high ( open - collector )
  总线空闲时，两条线都是高电平(集电极开路) 。
• The maximum output level 118db 6 v
  6最大输出电平118dbv
• See iols static low - level output current for further information
  详细信息，参见iols静态低电平输出电流。
• Voice circuit input level difference
  话路输入电平差异
• Cascade multilevel converter with separated dc sources based on sps - spwm
  的独立电源级联型多电平变换器研究