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A radiation-hardening technique for a CMOS voltage reference circuit is proposed. Its operation principle consists in combining linearly two different NMOS threshold voltages and a Proportional-To-Absolute-Temperature (PTAT) voltage, which allows the compensation of both temperature-induced and radiation-induced discrepancies. This circuit was implemented in a standard 130 nm CMOS technology and designed...
An auto-zero operational amplifier dedicated to space applications is proposed. Its operation principle is based on a continuous-time auto-zeroed amplifier topology to provide a low-level offset. The circuit was implemented in a standard 130 nm CMOS technology. Simulations show that the residual offset is reduced to a few microvolts. The gain bandwidth product is estimated at 10 MHz, and the slew-rate...
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