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The Phoenix1 project aims to develop a new approach to explore unknown environments, based on multiple measurement campaigns carried out by extremely tiny devices, called agents, that gather data through multiple sensors. These low power and low resource agents are configured specifically for each measurement campaign to achieve the exploration goal in the smallest number of iterations. Thus, the...
A calibration mechanism is often desired in analog/RF circuits that are designed in advance process nodes which exhibit large process variation, so as to recover yield loss and obtain the best possible trade-off between performances. In this paper, we present a calibration approach based on embedded sensors that has several appealing attributes. Specifically, it is virtually applicable to any circuit,...
Deep sub-micrometer CMOS technologies drive a large proportion of innovation in many industries, including transport, communications, biological sensors, and medical systems. The trend nowadays is to integrate analog/RF circuits together on the same die with the digital processor and memory in advance process nodes. A major challenge is that the amount of process variation becomes particularly pronounced,...
Testing the RF functions of mixed-signal Systems-on-Chip is responsible for a very large fraction of the overall test cost. In addition, RF circuits, when designed in the most advanced technologies (e.g. 65nm and beyond), typically require some calibration mechanisms so as to guarantee a high yield. Built-in test structures is a promising approach to facilitate test and calibration of RF circuits...
In the context of mission-critical, safety-critical, and remote-controlled applications, it is required to equip systems with self-adapting capabilities. Adaptation is required in post-manufacturing to correct yield loss and achieve zero defective parts-per-million as well as during normal operation to account for different application scenarios and for varying environmental conditions. A self-adaptive...
We propose a post-fabrication calibration technique for RF circuits that is performed during production testing with minimum extra cost. Calibration is enabled by equipping the circuit with tuning knobs and sensors. Optimal tuning knob identification is achieved in one-shot based on a single test step that involves measuring the sensor outputs once. For this purpose, we rely on variation-aware sensors...
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