{"id":2625,"date":"2023-06-15T16:44:44","date_gmt":"2023-06-15T15:44:44","guid":{"rendered":"https:\/\/ibex.tech\/resources\/?p=2625"},"modified":"2023-06-15T16:49:46","modified_gmt":"2023-06-15T15:49:46","slug":"measuring-current","status":"publish","type":"post","link":"https:\/\/ibex.tech\/resources\/geek-area\/electronics\/test-and-measurement\/test-methods\/measuring-current","title":{"rendered":"Measuring current"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">Measuring current with an osciliscope<\/h4>\n\n\n\n<p>You don&#8217;t need a specialist current probe for your osciliscope as you can simply measure the voltage across a current sense resistor. This is a typical test measurement method and can also be used to measure the current of very fast pulses.<\/p>\n\n\n\n<p>A typical test for current is to use a 1k resistor and an oscilloscope across it, (with a capacitor added across it to dampen if needed). If your test can handle the 1k resistor then it&#8217;s nice because 1V measured = 1mA of current (I = V \/ R).<\/p>\n\n\n\n<p>However there&#8217;s no need to use a 1k resistor, you can use any value, with a 1ohm resistor being a good choice when not wanting to add significant load. In this case, 1V measured = 1A of current, 1mV = 1mA (I = V \/ R).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Measuring current with an osciliscope You don&#8217;t need a specialist current probe for your osciliscope as you can simply measure the voltage across a current sense resistor. This is a typical test measurement method and can also be used to measure the current of very fast pulses. A typical test for current is to use [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[139],"tags":[],"class_list":["post-2625","post","type-post","status-publish","format-standard","hentry","category-test-methods"],"_links":{"self":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/2625","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/comments?post=2625"}],"version-history":[{"count":3,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/2625\/revisions"}],"predecessor-version":[{"id":2628,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/posts\/2625\/revisions\/2628"}],"wp:attachment":[{"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/media?parent=2625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/categories?post=2625"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ibex.tech\/resources\/wp-json\/wp\/v2\/tags?post=2625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}