一、概述
本仪器采用单片机波形合成发生器产生高精度,低失真的正弦波电压,可用于校验频率继电器,同步继电器等,也可作为低频变频电源使用。
本仪器具有读数直观,**,性能稳定,操作方便等特点。关键器件采用进口元件,是一种有着较高性能价格比的试验仪器。
二、基本原理
工频信号发生器,主要由数字波形发生部分、功率放大部分、以及中央控制单元等组成。通过前面板控制数字波形发生单元产生一个频率及幅度非常稳定的数字合成的正弦波,然后送到功率放大器进行放大。**经过输出切换及短路保护后输出。中央控制单元则负责测量输出频率及输出幅度,并监视整个系统的工作状态是否正常。
三、技术指标
One. Overview
This instrumenuses single-chip waveform syhesis generator produces high-precision, low distortiosine wave voltage, cabe usedo calibrate frequencyrelays,synchronouselays, etc., caalso be used as low-frequency inverter power supply.
This instrumenhas aeading iuitive, accurate, stable performance, easyo operate and so on. Key compones ofhe use of imported compones, is a high performanceandlow cosofheesequipme.
Two. Basic principles
NAGP Frequency signal generator, mainly consists of digital waveform generatiopart, power amplifier part, andhe ceral corol uniand so on. Throughhe fropanelcorol digital waveform generatiouniproduces a very stable frequency and amplitude ofhe digital syhesis of sine wave, andheseohe power amplifier for amplification. Finally,afterthe outpuswitching and shorcircuiprotectiooutput. The ceral corol uniisesponsible for measuringhe outpufrequency and outpuamplitude, and monitorhe work ofhe eiresystemstate isormal.
Three. Technical indicators
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