Centro Astronmico de Yebes Observatorio Astronmico Nacional SPAIN

Centro Astronómico de Yebes Observatorio Astronómico Nacional SPAIN First Stage Cryogenic IF Amplifier Leiden, 3 June 2001 Consortium Meeting 1

Centro Astronómico de Yebes Observatorio Astronómico Nacional SPAIN CONTENTS • DM Program (Yebes) – Amplifiers – Isolator-Cable-Amplifier • QM & FM Programs (Transfer to Industry) – First Prototype • Qualification Program • Summary of critical items • Planning Leiden, 3 June 2001 Consortium Meeting 2

Centro Astronómico de Yebes Observatorio Astronómico Nacional SPAIN DM PROGRAM (Amplifiers) • Design – – – – – In. P TRW 200 devices in both stages Substrate glued to the box using epoxy SMA connectors with “O ribbon” connection MDM connector for the bias circuit Bias circuit on substrate Gate voltage divider included in the bias circuit ESD and EMC filtering (Pending) Extra cavity for EMC filter Mechanical interface with mixer sub-assembly Mechanical interface with isolator Leiden, 3 June 2001 Consortium Meeting 3

Centro Astronómico de Yebes Observatorio Astronómico Nacional SPAIN DM PROGRAM (Amplifiers) Leiden, 3 June 2001 Consortium Meeting 4

Centro Astronómico de Yebes Observatorio Astronómico Nacional SPAIN DM PROGRAM (Amplifiers) Leiden, 3 June 2001 Consortium Meeting 5

Centro Astronómico de Yebes Observatorio Astronómico Nacional SPAIN DM PROGRAM (Amplifiers) Leiden, 3 June 2001 Consortium Meeting 6

Centro Astronómico de Yebes Observatorio Astronómico Nacional SPAIN DM PROGRAM (Isolators) Leiden, 3 June 2001 Consortium Meeting 7

Centro Astronómico de Yebes Observatorio Astronómico Nacional SPAIN DM PROGRAM (Isolators) Leiden, 3 June 2001 Consortium Meeting 8

Centro Astronómico de Yebes Observatorio Astronómico Nacional SPAIN DM PROGRAM (Isolators+Cable+Amplifier) Leiden, 3 June 2001 Consortium Meeting 9

Centro Astronómico de Yebes Observatorio Astronómico Nacional SPAIN DM PROGRAM (Isolators+Cable+Amplifier) Leiden, 3 June 2001 Consortium Meeting 10

Centro Astronómico de Yebes Observatorio Astronómico Nacional SPAIN QM & FM PROGRAMS (First Prototype) Leiden, 3 June 2001 Consortium Meeting 11

Centro Astronómico de Yebes Observatorio Astronómico Nacional SPAIN QM & FM PROGRAMS (First Prototype) Leiden, 3 June 2001 Consortium Meeting 12

Centro Astronómico de Yebes Observatorio Astronómico Nacional SPAIN QUALIFICATION PROGRAM • Qualification Boards • Components • Qualification and Acceptance tests (Amplifier) • Qualification and Acceptance tests (Isolators) • ESD tests • Radiation tests • Documentation (PID) Leiden, 3 June 2001 Consortium Meeting 13

Centro Astronómico de Yebes Observatorio Astronómico Nacional SPAIN CRITICAL ITEMS • EMC and ESD Filtering • Isolators (Fabrication and qualification) • Levels of qualification (Vibration) • Financing • Schedule Leiden, 3 June 2001 Consortium Meeting 14