Science Mission Directorate

NASA Selects 2 Instruments for Artemis IV Lunar Surface Science

NASA has selected two science instruments designed for astronauts to deploy on the surface of the Moon during the Artemis IV ...
Junior Mining Network

Tocvan Ventures Announces Positive Surface Results From North Block And Drill Program Update At Gran Pilar

Highlights: Initial surface results from North Block across historic mine workings yield high silver values Over 1,300 meters drilled to date ...
IEEE

Effect of Passive Elements on the Isolation of a pin-pin RF MEMS Switch in an Electrical Circuit

Abstract: This paper proposes a high isolation and low loss RF MEMS switch. Unlike many previous MEMS switches, this article presents three new ideas to improve s-parameters and actuation voltage that ...
IEEE

Modeling and Measurement of Conducted EMI Suppression Elements for Switch-Mode Power Supplies Based on the Inverse Piezoelectric Effect

Abstract: To suppress interference peaks in the low-frequency range of switch-mode power supplies (SMPSs), passive electromagnetic interference (EMI) filters typically require the use of common-mode ...