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On Process Variation Tolerant Low Cost Thermal Sensor Design, Spandana Remarsu
On Process Variation Tolerant Low Cost Thermal Sensor Design, Spandana Remarsu
Masters Theses 1911 - February 2014
Thermal management has emerged as an important design issue in a range of designs from portable devices to server systems. Internal thermal sensors are an integral part of such a management system. Process variations in CMOS circuits cause accuracy problems for thermal sensors which can be fixed by calibration tables. Stand-alone thermal sensors are calibrated to fix such problems. However, calibration requires going through temperature steps in a tester, increasing test application time and cost. Consequently, calibrating thermal sensors in typical digital designs including mainstream desktop and notebook processors increases the cost of the processor. This creates a need for …