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It is important to monitor the voltage and other parameters of the electronic devices on the PCB for ensuring the better performance and to understand the robustness of the devices in the EM environment This paper presents a novel design of a voltage monitor circuit to monitor the voltage signal of the sensitive components on the PCB in disturbed environment Through the actual test, and analysis the...
Timing-error detection and recovery circuits are implemented in a 65 nm resilient circuit test-chip to eliminate the clock frequency guardband from dynamic supply voltage (VCC) and temperature variations as well as to exploit path-activation probabilities for maximizing throughput. Two error-detection sequential (EDS) circuits are introduced to preserve the timing-error detection capability of previous...
A high bandwidth critical path monitor (1 sample/ cycle at 4-5 GHz) capable of providing real-time timing margin information to a variable voltage/frequency scaling control loop is described. The critical path monitor tracks the critical path delay to within 1 FO2 inverter delay with a standard deviation less than 3 FO2 delays over process, voltage, temperature, and workload. The CPM is sensitive...
In deep submicron era, to prevent larger amount of SRAM from more frequently encountered overheating problems and react accordingly for each possible hotspots, multiple ideal run-time temperature sensors must be closely located and response rapidly to secure system reliability while maintaining core frequency. This paper presented a method to extract run-time temperature information from multiple...
The real time monitoring and control of resistance spot welds is a problem of critical importance in automotive and many other manufacturing industries. However, till this date, there are no reliable, low-cost, non-destructive techniques for predicting the size and strength of the weld nuggets in real time. This paper investigates the usage of voltage, current, and force data for the above tasks....
A system for measurement of the surface magnetooptic Kerr effect (dubbed "SMOKE") has been developed. Measurement sensitivity is 5??10??4 degrees, and the absolute value of the rotation angle can be measured. The Kerr rotation, ??K, and ellipticity ??K, of Co thin films deposited on glass substrates in ultra-high vacuum were measured in-situ. When the film thickness was greater than 80 ??,...
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