ZLG示波器丨你会测量示波器的刷新率吗?丨ZLG代理商-燊容电科
最近有朋友问我,他买了一个示波器,刷新率标称200Kwfms/s,他觉得很好奇,问我能否测出来,我跟他说可以的。相对于采样率、存储深度等由硬件特性决定的指标,刷新率完全是由处理器处理方式决定的,合理的数据处理方式可以得到更高的刷新率,接下来我就手把手教大家测量示波器的刷新率,感兴趣的朋友可以拿起手中的示波器测一下。
1、 波形刷新率概念
BOXINGSHUAXINLVYOUJIAOBOXINGBUHUOLV,ZHIDESHIMEIMIAOZHONGBOXINGSHUAXINDECISHU,BIAOSHIWEIBOXINGSHUMEIMIAO(wfms/s),BOXINGSHUAXINLVYUEGAO,BUHUOYICHANGXINHAODEGAILVYUEDA。YOURENHUIJUEDEHAOQI,PINGMUSHUAXINYIBANZHIYOUJISHIhz,MEIMIAOZHINENGSHUAXINJISHIZHANGTUPIAN,ZHEIMEDUOBOXINGPINGMUKEYIXIANSHIDEGUOLAIMA?SHISHISHANG,SHIBOQILIMIANHAIYOUBOXINGHECHENGQI,RUTU 1SUOSHI,BOXINGHECHENGQIHUIJIANGDUOZHENBOXINGHECHENGYIZHANGTUPIAN,PINGMUMEIMIAOSUIRANZHISHUAXINLEJISHIZHANGTUPIAN,DANSHIMEIZHANGTUPIANLIBAOHANCHENGQIANSHANGWANZHENBOXING,SUOYIBOXINGSHUAXINLVZAIGAOPINGMUDOUSHIKEYIXIANSHIDEGUOLAI。
TU 1 BOXINGHECHENGQI
2、 准备工具
ZHUNBEIGONGJU:BEICESHIBOQI、CELIANGYIQI(SHIBOQI、LUOJIFENXIYI)、20MhzXINHAOYUAN。
SHIBOQIMEICAIYANGYIZHENBOXING,DOUHUIZAITrig outSHUCHUYIGEMAICHONGXINHAO,ZHEIGETrig outJIEKOUTONGCHANGZAISHIBOQIBEIMIAN,YINCIWOMENKEYICELIANGTrig outXINHAOLAICELIANGSHIBOQIDEBOXINGSHUAXINLV。WOMENBENCIYAOCELIANGZDS4000SHIBOQIDEBOXINGSHUAXINLV,XUANYONGZDS1000ZUOWEICELIANGYIQI,QIZHONGZDS4000JIE20MhzXINHAOYUAN,ZDS1000JIEZDS4000DETrig outXINHAO,RUGUONISHOUSHANGMEIYOUEWAIDESHIBOQI,YEKEYIYONGLUOJIFENXIYIZUOWEICELIANGYIQI。
3、 示波器设置
SHIBOQIBIAOCHENGDEBOXINGSHUAXINLVTONGCHANGSHIZUIDAZHI,ERSHIJISHANGMEIGESHUIPINGSHIJIDANGWEISHUAXINLVBUYIZHI,WOMENXUYAOZHAODAOSHUAXINLVZUIDADENEIGESHIJIDANGWEI。SHOUXIANZDS4000XIANSHILEIXINGSHEZHICHENGDIAN,ZDS1000DAKAIYINGJIANPINLVJI,SHISHICELIANGBEICESHIBOQIZDS4000DETrig outXINHAOPINLV,RANHOUJIANGZDS4000SHUIPINGSHIJICONGZUIXIAODANGWEI500psWANGDAXUANZHUAN,GUANCHATrig outPINLV,ZHAODAOZUIDAZHI,KEYIKANDAO,RUTU 2SUOSHI,ZDS4000ZAI10nsSHIJIDANGWEI,Trig outPINLVZUIDA。
TU 2 ZHAODAOTrig outPINLVZUIDADEDANGWEI
4、 刷新率计算
HENDUORENZHIJIEJIANGTrig outPINLVZUOWEIBOXINGSHUAXINLV,SHIJISHANGSHIBUZHUNDE,YINWEIBOXINGSHUAXINLVSHIZHIMEIMIAOBOXINGBUHUODESHULIANG,ERYOUDESHIBOQITrig outSHIJIANXIEXINGDE,YEYOUDESHICHIXUXINGDE,ZUIHAODEBANFAJIUSHITONGJITrig outYIMIAOZHONGDEMAICHONGSHULIANGCAISHIZHUNQUEDEBOXINGSHUAXINLV。RUTU 3SUOSHI,DAKAIZDS1000TONGJICELIANGGONGNENG,SHUIPINGSHIJISHEZHICHENG100msDANGWEI,ZONGGONGCAIYANGSHIJIANWEI1.4s,RiseCountSHANGSHENGYANJISHUQIWEI1.4647M,ZHEHE1sWEI1.046MZUOYOU,SHUOMINGZDS4000SHIBOQIZUIDASHUAXINLVWEI1.046Mwfms/s。
TU 3 SHUAXINLVJISUAN
HENJIANDANBA,BUFANGNAQINISHOUZHONGDESHIBOQICEYIXIA。BOXINGSHUAXINLVYUEGAO,SIQUSHIJIANJIUYUEDUAN。ZLGZHIYUANDIANZIYONGYOU《GAOSHUAXINLVBOXINGHECHENGQI》FAMINGZHUANLI,ZDS4000XILIESHIBOQIZUIGAOSHUAXINLVCHAOGUO1M wfms/s,DADATIGAOLEYICHANGBOXINGDEBUHUONENGLI。
本文引用地址:http://watchesjp.com/newss-1957.aspx
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