{"id":39016,"date":"2021-05-12T10:24:10","date_gmt":"2021-05-12T08:24:10","guid":{"rendered":"https:\/\/fhi.nl\/nieuws\/why-use-a-power-rail-probe-over-a-passive-or-differential-probe\/"},"modified":"2024-07-10T13:56:24","modified_gmt":"2024-07-10T11:56:24","slug":"why-use-a-power-rail-probe-over-a-passive-or-differential-probe","status":"publish","type":"news","link":"https:\/\/fhi.nl\/en\/news\/why-use-a-power-rail-probe-over-a-passive-or-differential-probe\/","title":{"rendered":"Why use a power rail probe over a passive or differential probe?"},"content":{"rendered":"
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\n\t\t\t\t\tWhy use a power rail probe over a passive or differential probe?\t\t\t\t<\/h1>\n\n\t\t\t\t
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Subject<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\tActive components\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\tDesign & Embedded\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\tElectromechanical components\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\tElectronics Design\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\tElectronics Design Tools\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\tIndustrial Electronics\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\tOscilloscopes\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\tPower sources\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\tSemiconductor Integrated circuits\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\tSemiconductor Transistors\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\tSwitches\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\tTest and measuring equipment\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n
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Traditional power integrity applications typically use passive or differential probes to measure power rails. The changing technology landscape means designers need higher accuracy ripple measurements with very fast transitions pushing into multiple GHz range. New design challenges call for new measurement equipment that can minimize noise from the measurement tools while also offering more bandwidth to see more signal content. The ultra-low noise TPR1000\/4000 power rail probe offers low loading for accuracy (especially in the most sensitive measurements) and offers low noise contribution and high bandwidth options.<\/p>\r\n\"Power\r\nPower rail probes offer extreme clarity into the power distribution network compared to traditional passive probes.\r\n\r\n\u00a0\r\n\r\n\u00a0More data, faster signals<\/strong>\r\n\r\n

The new power rail probe covers power rail transient events up to 4 GHz and offers offset voltage range of \u00b160V to measure power supplies from plug, down to the pin of an integrated circuit. It also offers a wide dynamic range of \u00b11V, which, on higher voltage rails, lets you look at droop on the line or when a lot of current is drawn by load or transients. Coupled with the right scope, this powerful combination means you don't have to worry if the noise you are seeing is from your test equipment or if you're seeing aggressors in your system that you could never see before.<\/p>\r\n

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The above is a ripple measurement on 3.3V rail using the\u00a0power rail probe<\/strong>. Using 20MHz bandwidth limit and a 6 Series Oscilloscope, you can see the clean and most accurate signals coming from the power rail probe.<\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\"\"\r\n

The above is a ripple measurement on 3.3V rail using the\u00a0passive probe<\/strong>. Signals shown are more typical measurements you would see with a passive probe.<\/p>\r\n

For more information download the PDF file here.<\/a><\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\t\t<\/div>\n\t<\/div>\n<\/div>\r\n\t

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