具有智能量程转换功能。
介绍将电压、电流、电阻归一化测量的自动量程转换电路及主要软件流程。
This paper introduces the automatic range conversion circuit of voltage, current and resistance normalized measure and the working process of software.
它能精确测量任意波形的低频模拟周期信号并同时显示其有效值和分贝值。具有智能量程转换功能。
It not only can measure discretionary low-frequency analog signals exactly, but also can show their virtual values and decibels synchronously, which has the intelligent selectiveness of measure.
介绍了双积分式A/D转换器CC1 44 3 3在宽范围电压测量中自动量程转换电路的设计及工作原理。
The design and the work principle of automatic range-changing circuit of dual-integral A/D converting chip CC14433 in voltage measuring of wide range are introduced.
整机的量程调节和零点调节在D/A转换电路中实现。
The range adjustment and zero-point adjustment of the metre are both realized in D/A conversion circuitry.
测量电路采用计算机控制，实施量程自动转换、线性修正和压力自动校准。
Computer control, automatic conversion linearity correct and pressure automatic calibration were used in the control circuit.
提出并设计了一种适用于电压表的量程自动转换电路。
A kind of circuit for automatic range selection of voltmeters is introduced and designed.
介绍扩展DMM功能的设计方案，使其能进行在线测量和能测量信号的频率、高频信号的有效值及自动转换量程。
A solution of expanding DMM's function is introduced, it can measure on-line, can measure signal's frequency, HF's RMS and auto-range transfer.
介绍扩展DMM功能的设计方案，使其能进行在线测量和能测量信号的频率、高频信号的有效值及自动转换量程。
A solution of expanding DMM's function is introduced, it can measure on-line, can measure signal's frequency, HF's RMS and auto-range transfer.
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