input stage

To achieve the high impedance required specially designed "electrometer" vacuum tubes, field effect transistor must be used in the input stage.

为适应高阻抗需要，仪器输入电路中须用特殊设计的静电计专用电子管、场效应晶体管。

互联网摘选

The system consists of the AC input stage, single phase PFC, main inverter, output low-pass filter, auxiliary power supply, and load current sharing circuit, etc.

整个电源由输入电路、功率因数校正器、主逆变器、输出滤波电路、辅助电源、均流电路等部分组成。

互联网摘选

FIG. 1 schematically illustrates the input stage of a switched capacitor analog to digital converter.

图1示意性地示出基于开关电容器的模数转换器的输入级.

互联网摘选

Fully differential analog input stage.

完全差分模拟输入级。

互联网摘选