Design of measurement circuits for SiC experiment : KTH student satellite MIST

Detta är en Uppsats för yrkesexamina på grundnivå från KTH/Skolan för informations- och kommunikationsteknik (ICT); KTH/Skolan för informations- och kommunikationsteknik (ICT)

Sammanfattning:

SiC in Space is one of the experiments on KTH’s miniature satellite, MIST. The experiment carries out tests on bipolar junction transistors of silicon and silicon carbide. This thesis describes how the characteristics of a transistor can be measured using analog circuits. The presented circuit design will work as a prototype for the SiC in Space experiment. The prototype measures the base current, the collector current, the base-emitter voltage as well as the temperature of the transistor.

This thesis describes how a test circuit may be designed. The selected design has been constructed in incremental steps, with each design choice explained. Different designs have been developed. The designs have been verified with simulations. We have also constructed and tested three different prototypes on breadboards and printed circuit boards.

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