Publications

Version: 1.1 Approved

LDO-ID 2014-03-13-01

Title Hybrid DC/DC Converter for SAR Antenna Power Supply Unit

Abstract

When distributed power supply is mandatory to provide full functional redundancy in a SAR application, a compact design to minimize size and weight became the main driver of the system. In this context a single hermetic DC/DC converter, including magnetic components, has been made in thick-film Hybrid technology. It is designed for state of the art electrical performance, minimum mass and size, maximum reliability for SAR application, where each transmitter / receiver module is powered by one dedicated DC/DC converter It is characterised by a very simplified design approach to get high reliability and repeatability for large scale production. The hybrid uses a standard thick film multilayer technology, currently in use for military and Space application. Only a low number of passive components must be foreseen outside the Hybrid according to desired Conducted Emission / Susceptibility performances (input and output filter ). The hybrid is manufactured with multilayer ceramic substrate with ad-hoc solution to manage thermal and cross talk signal issues. All laser active trimming are performed during Hybrid manufacturing so no other trimming activities are needed. The process control is performed by according MIL PRF 38534.

Authors Calcaterra Paolo, Scorzafava Edmondo, Sagnelli Salvatore, Benettin Piero

Type Paper for Seminar/Symposium/Conference

Media ESPC 2014 - European Space Power Conference (13-17 April 2014, Noordwijck, The Nethelands)

Web site

Anno 2014