Other features include an integrated buffer to drive the reference as well as a fully differentialamplifier to buffer and level shift the input to the modulator.
其它特性包括：集成缓冲用来驱动基准电压，以及集成完全差动放大器用来缓冲调制器输入并进行电平转换。
2
A full-scale analysis of input impedance of the operational amplifier under the state of differentialinput is given here.
本文对运算放大器在差动输入状态下的输入阻抗问题做了全面的分析。
3
The transfer characteristics of basic VMOS differentialinput stage are analyzed, a VMOS operational transconductance amplifier which has good linearity and tunable transconductance is presented.