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Impact of cable losses

Posted: 25 Feb 2009 ?? ?Print Version ?Bookmark and Share

Keywords:cable loss? test high-speed? ATE?

There are many test companies that design, build and ship large-pin-count ATE. These testers have complex ICs that drive each pin of the tester. A tester could have as many as 4,096 pins. At each pin, there is usually a driver, comparator, load and sometimes even a parametric measurement unit. These electronics are attached to a cable, which is then connected to the pin. To keep costs down, a vendor may choose to use low-quality cables. All cables, especially low-quality ones, suffer from signal losses that reduce the ultimate performance of the tester.

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