{"id":1851,"date":"2018-03-15T18:39:33","date_gmt":"2018-03-15T10:39:33","guid":{"rendered":"http:\/\/hardihuang.info\/blog\/?p=1851"},"modified":"2018-03-26T13:22:53","modified_gmt":"2018-03-26T05:22:53","slug":"learning-oscilloscope","status":"publish","type":"post","link":"http:\/\/hardihuang.info\/blog\/?p=1851","title":{"rendered":"Rigol DS1054Z \u793a\u6ce2\u5668-\u5b66\u4e60\u7b14\u8bb0"},"content":{"rendered":"<p><a href=\"http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/P80323-2006381.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-large wp-image-1872\" src=\"http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/P80323-2006381-1024x767.jpg\" alt=\"\" width=\"525\" height=\"393\" srcset=\"http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/P80323-2006381-1024x767.jpg 1024w, http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/P80323-2006381-300x225.jpg 300w, http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/P80323-2006381-768x575.jpg 768w\" sizes=\"(max-width: 525px) 100vw, 525px\" \/><\/a><\/p>\n<p>\u4e70\u4e86\u4e00\u4e2a\u65b0\u4eea\u5668 Rigol DS1054Z 4 channel 100MHz 1Gs\/s\uff0c\u7b2c\u4e00\u6b21\u4f7f\u7528\u793a\u6ce2\u5668\uff0c\u56e0\u4e3a\u4e4b\u524d\u770b\u5927\u795e\u4eec\u603b\u5728\u7528\u4ed6\uff0c\u6240\u4ee5\u4e5f\u4e0d\u7b97\u964c\u751f\uff0c\u4e0a\u624b\u5f88\u5feb\u3002\u8fd9\u91cc\u8bb0\u5f55\u4e0b\u5b66\u4e60\u7b14\u8bb0\uff0c\u65b9\u4fbf\u4ee5\u540e\u501f\u9274\uff0c\u611f\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u4eec\u4e5f\u53ef\u4ee5\u53c2\u8003\u4e0b\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u6bcf\u6b21\u770bthe ben heck show\uff0c\u4ed6\u505a\u65b0\u4ea7\u54c1\u7684prototype\u9636\u6bb5\uff0c\u6216\u591a\u6216\u5c11\u90fd\u8981\u4f7f\u7528\u5230\u793a\u6ce2\u5668\uff0c\u6bcf\u6b21\u4e00\u770b\u5230\u8fd9\u91cc\u5c31\u4e91\u91cc\u96fe\u91cc\u3002\u793a\u6ce2\u5668\u662f\u6211\u5728\u7535\u5b50\u9886\u57df\u9700\u8981\u5f81\u670d\u7684\u6700\u540e\u4e00\u5ea7\u9ad8\u5cf0\uff0c\u7b49\u641e\u5b9a\u4ed6\u4e86\uff0c\u6211\u521d\u7ea7\u63a2\u7d22\u7535\u5b50\u9886\u57df\u65b0\u5927\u9646\u7684\u9636\u6bb5\u5c31\u7ed3\u675f\u4e86\uff0c\u4e4b\u540e\u5c31\u4ece\u5934\u5f00\u59cb\uff0c\u6df1\u8015\u7ec6\u4f5c\u3002<\/p>\n<p>and then, for a second time in the history of the world, man will have discovered fire<\/p>\n<p>&nbsp;<\/p>\n<p>\u9009\u62e9\u793a\u6ce2\u5668\u65f6\uff0c\u9700\u8981\u63a5\u89e6\u5230\u7684\u51e0\u4e2a\u6307\u6807\uff0c\u5206\u522b\u4ee3\u8868\u7684\u542b\u4e49<\/p>\n<h2><span style=\"color: #ff6600;\"><strong>Bandwidth\uff1a<\/strong><\/span><\/h2>\n<hr \/>\n<p>\u9009\u62e9oscilloscope\u65f6\uff0cBandwidth\u81f3\u5c11\u8981\u8fbe\u5230\u4f60\u9700\u8981\u6d4b\u91cf\u7684\u6700\u9ad8\u7684frequency\u7684\u4e8c\u500d\uff0c\u63a8\u83503-5\u500d\uff0c\u6bd4\u5982Arduino Uno\u7684crystal\u662f16MHz\u7684\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u81f3\u5c1124MHz\u7684bandwidth\u3002<\/p>\n<p><a href=\"http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/learn_arduino_crystal.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-1859 size-medium\" src=\"http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/learn_arduino_crystal-300x231.jpg\" alt=\"\" width=\"300\" height=\"231\" srcset=\"http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/learn_arduino_crystal-300x231.jpg 300w, http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/learn_arduino_crystal.jpg 500w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>The bandwidth determines the maximum frequency that the oscilloscope&#8217;s circuitry is be able to capture with fidelity.\uff0c\u662f\u548cvertical\u76f8\u5173\u7684\uff0c\u5f53bandwidth\u504f\u5c0f\u65f6\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u7684\u60c5\u51b5\u662fvertical \u7684 voltage\u4f1a\u964d\u4f4e\uff0c\u6216\u8005\u65b9\u6ce2\u7684\u89d2\u4f1a\u53d8\u5706<\/p>\n<p><a href=\"http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/2018-03-15_200640.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-1864 size-medium\" src=\"http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/2018-03-15_200640-300x226.png\" alt=\"\" width=\"300\" height=\"226\" srcset=\"http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/2018-03-15_200640-300x226.png 300w, http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/2018-03-15_200640.png 706w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"color: #ff6600;\"><strong>Sampling Rate\uff1a<\/strong><\/span><\/h2>\n<hr \/>\n<p>the sampling rate determines the time resolution of the oscilloscope\u548c\u6a2a\u8f74\u7684time\u76f8\u5173\uff0c\u4e00\u822c\u8981\u8fbe\u52302.5\u500d\u7684bandwidth<\/p>\n<p>\u6bd4\u5982100MS\/s \u5c31\u662f\u8bf4\u6bcf\u79d2\u949f\u53ef\u4ee5\u83b7\u53d6100M\u7684sample\uff0c\u56e0\u6b64\u6700\u5c0f\u7684time base\u662f10ns<\/p>\n<ul>\n<li>real-time sampling rate \u2014\u2014 \u8f83\u597d\uff0c\u7cbe\u786e<\/li>\n<li>effective time sampling (ETS) \u2014\u2014 \u8f83\u5feb\uff0c\u4e0d\u51c6\u786e<\/li>\n<\/ul>\n<h2><span style=\"color: #ff6600;\"><strong>Memory Depth\uff1a<\/strong><\/span><\/h2>\n<hr \/>\n<p>\u6570\u91cf\u8d8a\u5927\uff0c\u4f60\u5c31\u80fd\u4ee5\u5f88\u9ad8\u7684sampling rate\uff0c\u5b58\u50a8\u66f4\u4e45\u7684\u4fe1\u606f<\/p>\n<p>Memory Depth = Acquisition Time Windows * Sample Rate<\/p>\n<p>with a 1 MSa per channel a scope can cature 1 ms of time with a 1 GSa\/s sample rate<\/p>\n<h2><span style=\"color: #ff6600;\"><strong>Resolution\uff1a<\/strong><\/span><\/h2>\n<hr \/>\n<p>\u6216\u8005\u53ebvertical sensitivity\uff0c\u6bd4\u5982\uff0c\u5982\u679c\u662f8bit resolution,\u5c31\u662f2\u2078=256\u4efd\u6bcf\u683c\uff0cfor a one volt range, eight bits amounts ot a resolution of less than four milli-volts.<\/p>\n<p>\u8fd9\u4e2a\u503c\u8d8a\u9ad8\uff0c\u5c31\u8d8a\u80fd\u4f53\u73b0\u51fa\u7ec6\u5c0f\u7684\u7535\u538b\u53d8\u5316\u548c\u7ec6\u8282\u4fe1\u606f<\/p>\n<h2><strong><span style=\"color: #ff6600;\">Protocol decoding\uff1a<\/span><\/strong><\/h2>\n<hr \/>\n<p>\u89e3\u7801\u5e38\u89c1\u7684I2c\uff0cspi \uff0crs232\u7b49bus\u7684data\uff0c\u6b64\u529f\u80fd\u901a\u5e38\u4f1a\u88ab\u5382\u5bb6\u4f5c\u4e3a\u673a\u5668\u4ee5\u5916\u7684\u8f6f\u4ef6\u5355\u72ec\u51fa\u552e\u3002<\/p>\n<p>\u6709\u4e9b\u673a\u5668\u53ef\u4ee5\u76f4\u63a5\u5728\u4e0b\u65b9\u663e\u793aASCII\u7801\uff0c\u800c\u6709\u4e9b\u53ea\u80fd\u663e\u793a0x\u5341\u516d\u8fdb\u5236\u4ee3\u7801<\/p>\n<p>\u5728\u53e6\u4e00\u7bc7\u6587\u7ae0\u91cc\u8bb0\u5f55\u4e86\u901a\u4fe1\u534f\u8bae\u548c\u89e3\u7801\u7684\u5185\u5bb9\uff1a<a href=\"http:\/\/hardihuang.info\/blog\/2018\/03\/22\/learning-serial-protocols\/\" target=\"_blank\" rel=\"noopener\">\u300a\u5b66\u4e60\u5404\u79cd\u901a\u4fe1\u534f\u8bae\u300b<\/a><\/p>\n<p><a href=\"http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/SD-I2C_SPI_DS6.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-1860\" src=\"http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/SD-I2C_SPI_DS6.png\" alt=\"\" width=\"800\" height=\"480\" srcset=\"http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/SD-I2C_SPI_DS6.png 800w, http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/SD-I2C_SPI_DS6-300x180.png 300w, http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/SD-I2C_SPI_DS6-768x461.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h1><span style=\"color: #ff6600;\"><strong>ps\uff1a<\/strong><\/span><\/h1>\n<hr \/>\n<p>\u5176\u5b9e\u521a\u5f00\u59cb\u4e70\u4e86\u4e00\u4e2aUNI-T\u793a\u6ce2\u5668\uff0c\u578b\u53f7\u662f UTD2102CAL, 110MHz 1GS\/s\uff0c\u611f\u89c9\u4e0d\u662f\u5f88\u597d\u7528\uff0c\u9000\u56de\u53bb\u4e86,\u6362\u4e86\u8fd9\u4e2arigol\u7684<\/p>\n<p><a href=\"http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/P80315-184648.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-large wp-image-1854\" src=\"http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/P80315-184648-1024x759.jpg\" alt=\"\" width=\"525\" height=\"389\" srcset=\"http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/P80315-184648-1024x759.jpg 1024w, http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/P80315-184648-300x222.jpg 300w, http:\/\/hardihuang.info\/blog\/wp-content\/uploads\/2018\/03\/P80315-184648-768x569.jpg 768w\" sizes=\"(max-width: 525px) 100vw, 525px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e70\u4e86\u4e00\u4e2a\u65b0\u4eea\u5668 Rigol DS1054Z 4 channel 100MHz 1Gs\/s\uff0c\u7b2c\u4e00\u6b21\u4f7f\u7528\u793a\u6ce2\u5668\uff0c\u56e0\u4e3a\u4e4b\u524d\u770b\u5927\u795e\u4eec\u603b\u5728\u7528\u4ed6\uff0c\u6240\u4ee5\u4e5f\u4e0d\u7b97\u964c\u751f\uff0c\u4e0a\u624b\u5f88\u5feb\u3002\u8fd9\u91cc\u8bb0\u5f55\u4e0b\u5b66\u4e60\u7b14\u8bb0\uff0c\u65b9\u4fbf\u4ee5\u540e\u501f\u9274\uff0c\u611f\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u4eec\u4e5f\u53ef\u4ee5\u53c2\u8003\u4e0b\u3002<\/p>\n","protected":false},"author":1,"featured_media":1872,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[],"_links":{"self":[{"href":"http:\/\/hardihuang.info\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1851"}],"collection":[{"href":"http:\/\/hardihuang.info\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/hardihuang.info\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/hardihuang.info\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/hardihuang.info\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1851"}],"version-history":[{"count":14,"href":"http:\/\/hardihuang.info\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1851\/revisions"}],"predecessor-version":[{"id":1894,"href":"http:\/\/hardihuang.info\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1851\/revisions\/1894"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/hardihuang.info\/blog\/index.php?rest_route=\/wp\/v2\/media\/1872"}],"wp:attachment":[{"href":"http:\/\/hardihuang.info\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1851"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/hardihuang.info\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1851"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/hardihuang.info\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}