Abstract
This paper presents a new Bandgap Voltage Reference (BGR) design, with second order curvature compensation, for space applications. The work focuses on the design of the different analog building blocks which integrate the BGR. The proposed design, also, includes the complete implementation of trimming networks, which is a post-fabrication technique that strongly improves the performance in all the special conditions that characterize the target environment. The circuit was designed in a 150 nm Silicon-on-Insulator CMOS technology node, using radiation-hardened components. Simulation results with typical models show a performance of 0.758 ppm/°C for temperature coefficient over a military temperature range, with a 1.25 V output voltage, which competes with the actual state-of-the-art solutions.
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