Design of Appliyed Digital Voltmeter of New 16 Bits A/D Convertor;

Improvements of the Wheatstone bridge experiments using digital voltmeters;

The improvement of digital voltmeter in intellignce;

01 class) three phase electric energy standard metrical set and the development of higy accuracy DC digital voltage meter applied to such electric energy standard metrical equipment are introduced in detail.

This digital voltage meter enjoys the reputation of small volume,low current-driven,fast rolling,concise structure and easy handle,which can be used in the experimental and practical teaching.

Application of DVM in Measuring the 0. 005 Level Standard Battery;

Evaluation of Uncertainty of Measurement of Verifying Standard Cell by DVM;

Regarding with the problem of selecting electrical measuring instrument in thermocouplecalibration fields,we general1y analyze the error of high precision digital voltmeter (DVM) and providethe technicians the reference of selecting measuring instruments in accordance with the verificationregulation

An Automatic Design Methodology for Deep Submicron Digital IC s;

With the digital IC in the design, the automation control of 3 steps is realized, which has high precision.

Based on digital circuit,originating from the induced current varing with the automobile velocity magnitude,this device creats controlling signal through a series of digital IC.