class ab meaning in English

甲乙类

Abstract base class ab
抽象基类
A push - pull output stage was used in the circuit to extend output voltage from rail to rail and a class ab biasing is used to improve the power efficiency of the circuit
输出级采用共源结构的互补推挽输出结构，提高了输出电压的动态范围。并使用甲乙类的输出结构，提高了电路的功率效率。
To compensate the error originated from the non - ideal character of the si circuits , some novel structures based on the technology of negative feedback , fully differential , class ab , sni and other technologies to compensate the clock feed through effects are proposed and analyzed
提出了应用负反馈技术、全差分技术、甲乙类技术、 s ~ 2i技术及钟馈效应消除技术的各种加强电路结构，用以补偿由开关电流电路非理想特性引起的各种误差。