{"id":1216,"date":"2019-12-23T12:16:56","date_gmt":"2019-12-23T11:16:56","guid":{"rendered":"http:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/?p=1216"},"modified":"2019-12-24T10:40:09","modified_gmt":"2019-12-24T09:40:09","slug":"osciloskop-siglent-sds1202x-e-a-zkusenosti-s-nim","status":"publish","type":"post","link":"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/cs\/2019\/12\/osciloskop-siglent-sds1202x-e-a-zkusenosti-s-nim\/","title":{"rendered":"Osciloskop Siglent SDS1202X-E a zku\u0161enosti s n\u00edm"},"content":{"rendered":"\n<p>V&nbsp;roce 2019 jsem m\u011bl mo\u017enost vybrat si a koupit nov\u00fd\nosciloskop. Do t\u00e9 doby jsem pou\u017e\u00edval Owon PDS5022S s&nbsp;\u0161\u00ed\u0159kou p\u00e1sma 25MHz a vzorkov\u00e1n\u00ed\n100MSa\/s.<\/p>\n\n\n\n<p>P\u0159i v\u00fdb\u011bru nov\u00e9ho za\u0159\u00edzen\u00ed jsem cht\u011bl m\u00edt:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Vzorkov\u00e1n\u00ed 1GSa\/s<\/li><li>Velkou hloubku pam\u011bti, aby bylo mo\u017en\u00e9 rolovat a\nprohl\u00ed\u017eet dlouh\u00e9 sign\u00e1ly, nap\u0159. provoz a chyby na s\u00e9riov\u00e9 lince.<\/li><li>V\u00edce\u00farov\u0148ov\u00e9 barevn\u00e9 zn\u00e1zorn\u011bn\u00ed pr\u016fb\u011bhu<\/li><li>Cenu do 15&nbsp;000 K\u010d v\u010detn\u011b DPH<\/li><\/ul>\n\n\n\n<p>Zva\u017eoval jsem bu\u010f n\u00e1kup star\u0161\u00edho osciloskopu ov\u011b\u0159en\u00e9 zna\u010dky, nap\u0159. Rohde&amp;Schwarz s\u00a0hor\u0161\u00edmi parametry, nebo nov\u00fd osciloskop \u010d\u00ednsk\u00e9ho v\u00fdrobce, kter\u00fd nab\u00edz\u00ed lep\u0161\u00ed katalogov\u00e9 parametry, ale t\u011b\u017eko \u0159\u00edct, jak\u00e9 bude proveden\u00ed. <\/p>\n\n\n\n<p>D\u00edky diskusi na <a href=\"https:\/\/www.eevblog.com\/forum\/testgear\/siglent-sds1104x-e-in-depth-review\/?fbclid=IwAR3K9sNFRuQFrWL1tUkwA80OnkfdkGnNTMNxfGyrG05V_uA8esO5F4yotqY\">eevblog.com<\/a>, jsem se nakonec rozhodl pro Siglent SDS1202 X-E. V tomto \u010dl\u00e1nku se budu v\u011bnovat n\u011bkter\u00fdm parametr\u016fm osciloskopu Siglent a srovn\u00e1m je s vyp\u016fj\u010den\u00fdm Rohde&amp;Schwarz..<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Technick\u00e9 parametry podle katalogu<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"\"><tbody><tr><td>\n  &nbsp;\n  <\/td><td>\n  OWON PDS5022S\n  <\/td><td>\n  Siglent SDS1202X-E\n  <\/td><td>\n  Rohde HMO1002\n  <\/td><\/tr><tr><td>\n  Rozm\u011bry\n  <\/td><td>\n  350 x 157 x 120mm\n  <\/td><td>\n  312 x 133 x 151mm\n  <\/td><td>\n  285 x 175 x 140mm\n  <\/td><\/tr><tr><td>\n  Displej\n  <\/td><td>\n  7,8\u201c LCD 640&#215;480\n  <\/td><td>\n  7\u201c TFT LCD 800x480px\n  <\/td><td>   6,5\u201c VGA  640&#215;480    <\/td><\/tr><tr><td>\n  \u0160\u00ed\u0159ka p\u00e1sma\n  <\/td><td>\n  25 MHz\n  <\/td><td>\n  200 MHz\n  <\/td><td>\n  50 MHz\n  <\/td><\/tr><tr><td>\n  Vzorkovac\u00ed frekvence\n  <\/td><td>\n  50MSa \/ s&nbsp;na kan\u00e1l\n  <\/td><td>\n  500MSa \/ s&nbsp;na kan\u00e1l\n  <\/td><td>\n  500MSa \/ s&nbsp;na kan\u00e1l\n  <\/td><\/tr><tr><td>\n  \u010casov\u00e1 z\u00e1kladna\n  <\/td><td>\n  5ns \u2013 5s \/ d\u00edlek\n  <\/td><td>\n  1ns \u2013 100s \/d\u00edlek\n  <\/td><td>\n  2ns \u2013 50s \/ d\u00edlek\n  <\/td><\/tr><tr><td>\n  Hloubka pam\u011bti\n  <\/td><td>\n  &nbsp;\n  <\/td><td>\n  7MSa \/ kan\u00e1l\n  <\/td><td>\n  500kSa \/ kan\u00e1l\n  <\/td><\/tr><tr><td>\n  Vertik\u00e1ln\u00ed rozli\u0161en\u00ed\n  <\/td><td>\n  5mV \u2013 5V \/ d\u00edlek\n  <\/td><td>\n  0,5mV \u2013 10V\/d\u00edlek\n  <\/td><td>\n  1mV \u2013 10V\/d\u00edlek\n  <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Vstupn\u00ed sondy a jejich kalibrace<\/h3>\n\n\n\n<p>M\u011b\u0159en\u00fd sign\u00e1l je pot\u0159eba do osciloskopu n\u011bjak dostat a\nk&nbsp;tomu slou\u017e\u00ed m\u011b\u0159\u00edc\u00ed sonda. V&nbsp;m\u00e9m p\u0159\u00edpad\u011b jde o pasivn\u00ed sondy\ns&nbsp;impedanc\u00ed 1Mohm. Sondy maj\u00ed n\u011bjakou vlastn\u00ed kapacitu, kter\u00e1 je dan\u00e1\nhlavn\u011b vlastnostmi kabelu. Nam\u011b\u0159en\u00e9 kapacity:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"\"><tbody><tr><td>\n  &nbsp;\n  <\/td><td>\n  1 : 1\n  <\/td><td>\n  1 : 10\n  <\/td><\/tr><tr><td>\n  Owon\n  <\/td><td>\n  100pF\n  <\/td><td>\n  33pF\n  <\/td><\/tr><tr><td>\n  Siglent\n  <\/td><td>\n  62pF\n  <\/td><td>\n  28pF\n  <\/td><\/tr><tr><td>\n  Rohde\n  <\/td><td>\n  60pF\n  <\/td><td>\n  25pF\n  <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Sondy m\u00e1m po dvojic\u00edch, tak\u017ee jsem v prvn\u00edm kan\u00e1lu nechal sondu Siglent a do druh\u00e9ho postupn\u011b zapojil ostatn\u00ed sondy:<\/p>\n\n\n\n<p>Tady jsou pou\u017eity dv\u011b sondy Siglent<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"480\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_01.png\" alt=\"\" class=\"wp-image-1217\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_01.png 800w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_01-366x220.png 366w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_01-150x90.png 150w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_01-768x461.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p>Tady je druh\u00e1 sonda Owon<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"480\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_02.png\" alt=\"\" class=\"wp-image-1218\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_02.png 800w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_02-366x220.png 366w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_02-150x90.png 150w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_02-768x461.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p>Tady je druh\u00e1 sonda Tesla<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"480\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_03.png\" alt=\"\" class=\"wp-image-1219\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_03.png 800w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_03-366x220.png 366w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_03-150x90.png 150w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_03-768x461.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p>Tady je druh\u00e1 sonda R&amp;S<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"480\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_04.png\" alt=\"\" class=\"wp-image-1220\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_04.png 800w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_04-366x220.png 366w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_04-150x90.png 150w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_04-768x461.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>I z jednoduch\u00e9ho porovn\u00e1n\u00ed dostupn\u00fdch sond je z\u0159ejm\u00e9, \u017ee v\u00fdb\u011br sondy je d\u016fle\u017eit\u00fd. Existuj\u00ed takov\u00e9, kter\u00e9 v\u00fdrazn\u011b zat\u00ed\u017e\u00ed m\u011b\u0159en\u00fd obvod, nebo zdeformuj\u00ed m\u011b\u0159en\u00fd pr\u016fb\u011bh sign\u00e1lu. Tesla byla k\u00a0analogov\u00e9mu osciloskopu s\u00a0\u0161\u00ed\u0159kou p\u00e1sma 100MHz, Owon s\u00e1m m\u00e1 \u0161\u00ed\u0159ku p\u00e1sma 25MHz, tomu odpov\u00edd\u00e1 sonda deformuj\u00edc\u00ed sign\u00e1l.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Zobrazen\u00ed \u0161umu<\/h3>\n\n\n\n<p>Siglent m\u00e1 v&nbsp;technick\u00fdch parametrech uvedeno v\u00edce\u00farov\u0148ov\u00e9 zobrazen\u00ed sign\u00e1lu. To m\u011b zaujalo, proto\u017ee star\u00fd Owon kresl\u00ed \u0161umem zat\u00ed\u017een\u00fd sign\u00e1l po\u0159\u00e1d jednou barvou, tak\u017ee zobrazen\u00fd pr\u016fb\u011bh je \u0161irok\u00fd a nen\u00ed vid\u011bt nejpravd\u011bpodobn\u011bj\u0161\u00ed tvar sign\u00e1lu bez \u0161umu. Siglent se to sna\u017e\u00ed \u0159e\u0161it r\u016fzn\u00fdmi odst\u00edny zobrazen\u00e9ho pr\u016fb\u011bhu.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"480\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_05.png\" alt=\"\" class=\"wp-image-1222\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_05.png 800w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_05-366x220.png 366w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_05-150x90.png 150w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_05-768x461.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p>Rohde to zvl\u00e1dne taky, ale jenom t\u00edm, \u017ee osciloskop rychle p\u0159ekresluje obraz na displeji a m\u00e9n\u011b pravd\u011bpodobn\u00e9 pr\u016fb\u011bhy zat\u00ed\u017een\u00e9 \u0161umem nejsou zobrazeny tak \u010dasto.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"520\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_06.png\" alt=\"\" class=\"wp-image-1223\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_06.png 640w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_06-337x274.png 337w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_06-150x122.png 150w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Trigger<\/h3>\n\n\n\n<p>Na Da p\u0159evodn\u00edku jsem naprogramoval slo\u017eit\u011bj\u0161\u00ed pr\u016fb\u011bh sign\u00e1lu,\naby bylo vid\u011bt, jak si osciloskopy porad\u00ed s&nbsp;trigov\u00e1n\u00edm.<\/p>\n\n\n\n<p>Owon takov\u00fd sign\u00e1l nedok\u00e1\u017ee zachytit<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"686\" height=\"455\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Owon_07.png\" alt=\"\" class=\"wp-image-1224\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Owon_07.png 686w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Owon_07-366x243.png 366w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Owon_07-150x99.png 150w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Owon_07-90x60.png 90w\" sizes=\"auto, (max-width: 686px) 100vw, 686px\" \/><\/figure><\/div>\n\n\n\n<p>Siglent sign\u00e1l zachyt\u00ed, ale nezobrazuje \u00farove\u0148 triggov\u00e1n\u00ed.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"480\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_08.png\" alt=\"\" class=\"wp-image-1225\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_08.png 800w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_08-366x220.png 366w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_08-150x90.png 150w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_08-768x461.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p>Rohde s&nbsp;funkc\u00ed Quick view zobraz\u00ed i m\u00edsto, ve kter\u00e9m je sign\u00e1l triggov\u00e1n a je\u0161t\u011b dal\u0161\u00ed d\u016fle\u017eit\u00e9 \u00fadaje o pr\u016fb\u011bhu nap\u011bt\u00ed a \u010dasu.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_09.png\" alt=\"\" class=\"wp-image-1226\" width=\"803\" height=\"652\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_09.png 640w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_09-337x274.png 337w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_09-150x122.png 150w\" sizes=\"auto, (max-width: 803px) 100vw, 803px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Zoom<\/h3>\n\n\n\n<p>Osciloskop s velkou pam\u011bt\u00ed umo\u017e\u0148uje prohl\u00ed\u017eet detailn\u011b zaznamenan\u00fd sign\u00e1l. Maxim\u00e1ln\u00ed hloubku pam\u011bti 14MSa vyu\u017eijeme p\u0159i nastaven\u00ed \u010dasov\u00e9 z\u00e1kladny na 1ms\/d\u00edlek. Displej osciloskopu m\u00e1 horizont\u00e1ln\u011b 14 d\u00edlk\u016f, do pam\u011bti se tedy vejde pr\u00e1v\u011b jedna cel\u00e1 obrazovka a zaznamen\u00e1 \u010das 14ms. Funkc\u00ed zoom se potom m\u016f\u017eeme pod\u00edvat na jednotliv\u00e9 detaily sign\u00e1lu zaznamenan\u00e9ho s&nbsp;vzorkovac\u00ed frekvenc\u00ed 1GSa.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"480\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_10.png\" alt=\"\" class=\"wp-image-1227\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_10.png 800w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_10-366x220.png 366w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_10-150x90.png 150w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_10-768x461.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_11.png\" alt=\"\" class=\"wp-image-1228\" width=\"800\" height=\"650\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_11.png 640w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_11-337x274.png 337w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_11-150x122.png 150w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p>Siglent s&nbsp;funkc\u00ed Measure nap\u00ed\u0161e spoustu \u00fadaj\u016f p\u0159es zobrazovan\u00fd sign\u00e1l. R&amp;S m\u00e1 funkci Quick view, kterou nen\u00ed mo\u017en\u00e9 pou\u017e\u00edt spolu se Zoom.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">S\u00e9riov\u00e1 komunikace<\/h3>\n\n\n\n<p>Jedn\u00edm z&nbsp;d\u016fvod\u016f, pro\u010d jsem se rozhodl koupit Siglent,\nje funkce dek\u00f3dov\u00e1n\u00ed s\u00e9riov\u00e9 komunikace. Ob\u010das je pot\u0159eba naj\u00edt d\u016fvod, pro\u010d\nprocesor nen\u00ed ochoten komunikovat s&nbsp;periferiemi. A nemus\u00ed to b\u00fdt jenom\n\u0161patn\u011b nastaven\u00ed polarity sign\u00e1lu, ale taky t\u0159eba \u0161patn\u011b zapojen\u00e9 pull-up\nrezistory.<\/p>\n\n\n\n<p>\u010c\u00ednsk\u00fd logick\u00fd analyz\u00e1tor, kopie Saleae, um\u00ed s\u00e1m zm\u011b\u0159it rychlost komunikace a zobraz\u00ed i ASCII znaky. Probl\u00e9m je, \u017ee vzorkuje logick\u00e9 \u00farovn\u011b sign\u00e1lu, tak\u017ee nen\u00ed vid\u011bt deformace vznikl\u00e1 \u0161patn\u00fdm zapojen\u00edm.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1504\" height=\"282\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Saleae_12.png\" alt=\"\" class=\"wp-image-1229\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Saleae_12.png 1504w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Saleae_12-366x69.png 366w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Saleae_12-150x28.png 150w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Saleae_12-768x144.png 768w\" sizes=\"auto, (max-width: 1504px) 100vw, 1504px\" \/><\/figure><\/div>\n\n\n\n<p>Siglent s&nbsp;vyu\u017eit\u00edm funkce zoom um\u00ed zobrazit jednotliv\u00e9 detaily p\u0159en\u00e1\u0161en\u00e9ho sign\u00e1lu. Neum\u00ed zm\u011b\u0159it rychlost komunikace a neum\u00ed zobrazit ASCII znaky.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"480\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_13.png\" alt=\"\" class=\"wp-image-1230\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_13.png 800w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_13-366x220.png 366w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_13-150x90.png 150w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_13-768x461.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p>Rohde um\u00ed dek\u00f3dovat sign\u00e1ly s\u00e9riov\u00fdch sb\u011brnic a\u017e po\nzakoupen\u00ed licence.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">FFT<\/h3>\n\n\n\n<p>Osciloskop m\u00e1 dost velk\u00fd v\u00fdpo\u010detn\u00ed v\u00fdkon, aby\nz&nbsp;nam\u011b\u0159en\u00fdch vzork\u016f sestavil tvar kmito\u010dtov\u00e9ho spektra. Vodorovn\u011b je\nzobrazen kmito\u010det, svisle s\u00edla sign\u00e1lu pro jednotliv\u00e9 kmito\u010dty v&nbsp;decibelech,\nnebo milivoltech. <\/p>\n\n\n\n<p>Aby bylo mo\u017en\u00e9 prov\u00e9st rychlou Fourierovu transformaci, je\npot\u0159eba m\u00edt dostatek vzork\u016f v&nbsp;pam\u011bti osciloskopu. <\/p>\n\n\n\n<p>D\u00e1le je zapot\u0159eb\u00ed nastavit:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>svisl\u00e9 rozli\u0161en\u00ed v&nbsp;dB, nebo mV na d\u00edlek a\nreferen\u010dn\u00ed \u00farove\u0148 sign\u00e1lu<\/li><li>vodorovn\u00e9 rozli\u0161en\u00ed v&nbsp;Hz na d\u00edlek a kmito\u010det\nuprost\u0159ed zobrazen\u00e9ho spektra<\/li><\/ul>\n\n\n\n<p>Sign\u00e1ly pro tyto pokusy vytvo\u0159\u00edm op\u011bt na DA p\u0159evodn\u00edku, kter\u00fd\nje integrov\u00e1n do procesoru, tak\u017ee sign\u00e1l je hodn\u011b ru\u0161en\u00fd \u0161umem. Pro ka\u017edou\nperiodu bude pou\u017eito 100 vzork\u016f a sign\u00e1l je m\u011b\u0159en na v\u00fdstupu DA bez dal\u0161\u00edch\nobvod\u016f. <\/p>\n\n\n\n<p>Prvn\u00ed se pod\u00edv\u00e1me na sinusov\u00fd sign\u00e1l. Vlevo je vid\u011bt vlastn\u00ed kmito\u010det.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_14.png\" alt=\"\" class=\"wp-image-1231\" width=\"799\" height=\"649\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_14.png 640w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_14-337x274.png 337w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_14-150x122.png 150w\" sizes=\"auto, (max-width: 799px) 100vw, 799px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"480\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_15.png\" alt=\"\" class=\"wp-image-1232\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_15.png 800w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_15-366x220.png 366w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_15-150x90.png 150w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_15-768x461.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p>Druh\u00fd bude obd\u00e9ln\u00edkov\u00fd sign\u00e1l<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_16.png\" alt=\"\" class=\"wp-image-1233\" width=\"802\" height=\"652\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_16.png 640w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_16-337x274.png 337w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Rohde_16-150x122.png 150w\" sizes=\"auto, (max-width: 802px) 100vw, 802px\" \/><\/figure><\/div>\n\n\n\n<p>Siglent s&nbsp;automatick\u00fdm nastaven\u00edm<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"480\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_17.png\" alt=\"\" class=\"wp-image-1234\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_17.png 800w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_17-366x220.png 366w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_17-150x90.png 150w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_17-768x461.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p>Siglent s&nbsp;manu\u00e1ln\u011b nastaven\u00fdmi hodnotami. Tady je mo\u017en\u00e9 sledovat jednotliv\u00e9 harmonick\u00e9 kmito\u010dty.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"480\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_18.png\" alt=\"\" class=\"wp-image-1235\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_18.png 800w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_18-366x220.png 366w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_18-150x90.png 150w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_18-768x461.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p>R&amp;S m\u00e1 lep\u0161\u00ed odhad na automaticky nastaven\u00e9 hodnoty pro\nv\u00fdpo\u010det, ale na v\u00fdsledku nejsou vyzna\u010deny jednotliv\u00e9 kmito\u010dty, ani \u00farovn\u011b\nsign\u00e1lu. U Siglent \u010dlov\u011bk mus\u00ed s\u00e1m nastavit rozli\u0161en\u00ed a referen\u010dn\u00ed \u00farove\u0148\nsign\u00e1lu, ale z&nbsp;v\u00fdsledku lze l\u00e9pe ode\u010d\u00edst jednotliv\u00e9 hodnoty.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Software<\/h3>\n\n\n\n<p>Siglent ke sv\u00e9mu za\u0159\u00edzen\u00ed dod\u00e1v\u00e1 program EasyScopeX. Ten umo\u017e\u0148uje p\u0159ipojit za\u0159\u00edzen\u00ed, sn\u00edmat obr\u00e1zky z&nbsp;displeje, nebo virtu\u00e1ln\u011b ovl\u00e1dat cel\u00fd osciloskop.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1126\" height=\"514\" src=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_19.png\" alt=\"\" class=\"wp-image-1236\" srcset=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_19.png 1126w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_19-366x167.png 366w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_19-150x68.png 150w, https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/wp-content\/uploads\/2019\/12\/Siglent_19-768x351.png 768w\" sizes=\"auto, (max-width: 1126px) 100vw, 1126px\" \/><\/figure><\/div>\n\n\n\n<p>Osciloskop m\u016f\u017ee b\u00fdt p\u0159ipojen p\u0159es USB, nebo p\u0159es LAN.<\/p>\n\n\n\n<p>Na p\u0159edn\u00edm panelu osciloskopu je USB z\u00e1suvka pro Flash disk.\nZ&nbsp;n\u011bj je mo\u017en\u00e9 nahr\u00e1t do osciloskopu nov\u00fd firmware, nebo na n\u011bj nahr\u00e1vat\nobr\u00e1zky z&nbsp;displeje osciloskopu. Ty budou po stisku kl\u00e1vesy Print ukl\u00e1d\u00e1ny\nve form\u00e1tu *.png<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Klady a z\u00e1pory<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Rohde&amp;Schwarz<\/h4>\n\n\n\n<p>Neumo\u017e\u0148uje zobrazit tolik \u00fadaj\u016f najednou, vzhledem\nk&nbsp;v\u011bt\u0161\u00edmu po\u010dtu tla\u010d\u00edtek na kl\u00e1vesnici to ani nen\u00ed nutn\u00e9. Jednotliv\u00e9\ninformace o zobrazovan\u00e9m sign\u00e1lu se zobraz\u00ed postupn\u011b.<\/p>\n\n\n\n<p>V&nbsp;mnoha p\u0159\u00edpadech automaticky zobraz\u00ed na sign\u00e1lu automaticky\nkurzor a k&nbsp;n\u011bmu p\u00ed\u0161e d\u016fle\u017eit\u00e9 hodnoty. To Siglent neum\u00ed, v\u0161echny hodnoty\njsou zobrazeny v&nbsp;tabulk\u00e1ch mimo sign\u00e1l.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Siglent<\/h4>\n\n\n\n<p>M\u00e1 men\u0161\u00ed mno\u017estv\u00ed tla\u010d\u00edtek na kl\u00e1vesnici, funkce jsou r\u016fzn\u011b\nkumulovan\u00e9. Na za\u010d\u00e1tku je pot\u0159eba ob\u010das nahl\u00e9dnout do manu\u00e1lu. &nbsp;Reakce na po\u017eadavky u\u017eivatele, nap\u0159. posouv\u00e1n\u00ed\nobrazu po displeji jsou hor\u0161\u00ed, ne\u017e u R&amp;S. <\/p>\n\n\n\n<p>Osciloskop vypisuje m\u011bn\u011bn\u00e9 hodnoty velk\u00fdm p\u00edsmem uprost\u0159ed\ndispleje, u\u017eivatel m\u00e1 rychlej\u0161\u00ed info o tom, co pr\u00e1v\u011b m\u011bn\u00ed.<\/p>\n\n\n\n<p>Osciloskop m\u00e1 v\u011btr\u00e1k a trv\u00e1 mu 15 sekund ne\u017e po stisku tla\u010d\u00edtka\nPower nastartuje \ud83d\ude0a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h3>\n\n\n\n<p> Nov\u00fd \u010d\u00ednsk\u00fd Siglent splnil v\u0161echny m\u00e9 po\u017eadavky p\u0159i amat\u00e9rsk\u00e9m m\u011b\u0159en\u00ed. Ale stejn\u011b by je splnil i star\u0161\u00ed osciloskop n\u011bkter\u00e9 z\u00a0evropsk\u00fdch zna\u010dek s\u00a0men\u0161\u00ed \u0161\u00ed\u0159kou  p\u00e1sma.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V tomto \u010dl\u00e1nku se budu v\u011bnovat n\u011bkter\u00fdm parametr\u016fm osciloskopu Siglent SDS1202X-E a srovn\u00e1m je s Rohde&#038;Schwarz.<\/p>\n","protected":false},"author":1,"featured_media":1237,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[167,165,166],"class_list":["post-1216","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika","tag-fft","tag-osciloskop","tag-siglent"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Osciloskop Siglent SDS1202X-E a zku\u0161enosti s n\u00edm - Franti\u0161ek Posp\u00ed\u0161il<\/title>\n<meta name=\"description\" content=\"V tomto \u010dl\u00e1nku se budu v\u011bnovat n\u011bkter\u00fdm parametr\u016fm osciloskopu Siglent SDS1202X-E a srovn\u00e1m je s Rohde&amp;Schwarz.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ok2jnj.ok2kld.cz\/ok2jnj\/cs\/2019\/12\/osciloskop-siglent-sds1202x-e-a-zkusenosti-s-nim\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Osciloskop Siglent SDS1202X-E a zku\u0161enosti s n\u00edm - 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