document title / titre du document TRP W ORK PLAN ... - emits - ESA

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TRP Work Plan 2005-2007 Description of Activities TEC-SB/7935/dc 12/Feb/09 5.6.1 - Antenna Technologies (Source: TRP 2000-2003) TRP Reference: Title: EEA-013 Q/V Band Antenna S/S Deliverables: Current TRL: Target TRL: Application Need/Date: Application/Mission: Contract Duration: SW Clause : - Dossier0 Ref.: Consistency with Harmonisation Roadmap and Conclusions: TRP Reference: Title: Q/V Band Antenna S/S: additional work The aim of this activity is to develop and pre-design critical technologies for Q/V band antennas in Medium Earth Orbit (MEO) or Geostationary Earth Orbit (GEO) missions. This study will be targeted to two main areas, the study and pre-design antenna solutions, including the development of required specific modelling tools and will also address the critical areas identifying potential solutions, trade-off and breadboard them, in order to prepare the ground for further consolidation work. Deliverables: Current TRL: Target TRL: Application Need/Date: Application/Mission: Contract Duration: SW Clause : - Dossier0 Ref.: Consistency with Harmonisation Roadmap and Conclusions: TRP Reference: Title: MMM-946 Hybrid mechanical-electronic pointing system Deliverables: Current TRL: Target TRL: Application Need/Date: Application/Mission: Contract Duration: SW Clause : - Dossier0 Ref.: Consistency with Harmonisation Roadmap and Conclusions: Page 115 of 227
TRP Work Plan 2005-2007 Description of Activities TEC-SB/7935/dc 12/Feb/09 5.6.2 - On-Board Equipment Technologies (Source: TRP 2000-2003) TRP Reference: 03/ETM-001 SAW Filter Development (original activity: SAW resonator technology for L and S-band Title: space applications) Surface Accoustic Wave (SAW) quartz resonators are often used in Voltage Controlled Oscillator (VCO) with demanding phase noise requirements. However, the use of SAW resonator based VCOs (SAWR-VCO) has so far mainly been limited to frequencies below 1 GHz for very high Q applications. The use of SAW resonators at higher frequencies and on other materials has been demonstrated in the MATOPS program for the use in low-loss impedance element filters (IEF). For both SAW-IEF and SAWR-VCO the main goal in design of the resonators is to achieve high resonator Q-values. The proposed activity aims at investigating and improving SAW resonator technology for use in VCOs in the 1-2.5 GHz range. There are several space applications of low-phase noise VCOs in navigation and communication systems operating in this frequency range. The results will also be applicable for narrowband low-loss filters and SAW notch filters. In particular, the study will focus on: • Analysis of material and design limitations of high-frequency, high-Q quartz resonators; other materials, such as Langasite (with lower intrinsic material loss), or other low-loss wave modes (STW). • Evaluation of high-Q resonators design aspects. • Breadboarding (design and development) of a SAW resonator, including manufacturing and testing of critical components and technologies; evaluation of specific manufacturing processes issues. • Evaluation of possible applications of a SAW resonator in VCO. This activity is proposed as a special measure to Norway. Deliverables: Current TRL: Target TRL: Application Need/Date: Application/Mission: Contract Duration: SW Clause : - Dossier0 Ref.: Consistency with Harmonisation Roadmap and Conclusions: TRP Reference: Title: SAW Filter Development (original activity: SAW resonator technology for L and S-band space applications) Deliverables: Current TRL: Target TRL: Application Need/Date: Application/Mission: Contract Duration: SW Clause : - Dossier0 Ref.: Consistency with Harmonisation Roadmap and Conclusions: Page 116 of 227
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