前置放大电路设计了量程自动切换的电阻反馈式两级放大。
A range automatic transfer is designed for the preamplification system with resistance feedback.
本系统具有从低真空到高真空，气压测量范围宽、量程自动切换功能，并能实现对真空度的实时控制。
The system's measuring range can be automatically switched from low vacuum to high vacuum, and it has a wide measuring range.
这样可以实现仪器量程的自动切换。
This can realize the automatic change to switch over instrument amount.
该仪器具有测量精度高，自动量程切换，电导率值直读显示，操作简单等优点。
The instrument has high measurement accuracy, automatic switching range, the conductivity value of direct reading, the advantages of simple operation.
试验过程中可根据负荷的大小自动切换适当量程；
Test process under load automatically switches the size of the appropriate range;
提出一种自动量程切换电压测量系统的设计方法，该系统基于程控增益放大器器件，使用单片机控制其增益实现量程的自动切换。
It presents a system of voltage measurement with self-scale, based on the program control amplifier controlled by the single chip computer.
介绍了一种由at89c 2051单片机实现的自动切换量程峰值电压检测系统。
A Peak voltage detecting system implemented by AT89C2051 single chip computer is introduced.
介绍了一种由at89c 2051单片机实现的自动切换量程峰值电压检测系统。
A Peak voltage detecting system implemented by AT89C2051 single chip computer is introduced.
应用推荐