ACS #0001 Application Case Study w w w.ardentconcepts.com 20 GHz SerDes TX & RX Loopback Testing Ardent’s TR Multicoax Loopback provided a solution where the chip could test its own IO. The chip was able to run at speed and monitor various characteristics of the its transmitters and receivers quickly. The chip has a loopback that does not use the last stage of the TX driver so the customer was able to test using different transmitter signal output levels to run transmitter into receiver with this loopback solution. The Ardent Solution • Replaced expensive test equipment boxes • Monitor chip transmitter and receiver characteristics quickly • Test using different transmitter signal output levels Key Benefits Problems Faced During Application A major IC manufacturer was developing server

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