Hardware Engineer Intern Interview Questions

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What are the design considerations for a power supply input filter for a satellite application? Given these considerations, design an input filter for a 100 Watt buck converter. Prioritize small size and low weight. - Input voltage range is nominally 28 VDC (18 VDC to 36 VDC). - Output voltage is 5 VDC. - Switching frequency is 100 kHz. - Assume power return and chassis are isolated > 1 Meg ohm. - Environment is not pressurized Please document and describe your filter and state any assumptions made to complete the assignment.
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Power Hardware Engineer

Interviewed at SpaceX

3.8
May 5, 2016

What are the design considerations for a power supply input filter for a satellite application? Given these considerations, design an input filter for a 100 Watt buck converter. Prioritize small size and low weight. - Input voltage range is nominally 28 VDC (18 VDC to 36 VDC). - Output voltage is 5 VDC. - Switching frequency is 100 kHz. - Assume power return and chassis are isolated > 1 Meg ohm. - Environment is not pressurized Please document and describe your filter and state any assumptions made to complete the assignment.

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