1. Marc Walch Page 1 CNES’07 Peer Review 4/17/02 Wide Angle Camera (WAC) And Narrow Angle Camera (NAC) Marc Walch April 17, 2002 CNES’07 Mars Premier Peer Review Rendezvous and Sample Capture

2. Marc Walch Page 2 CNES’07 Peer Review 4/17/02  NAC  Build to print MRO OptNav Camera, use of spare MRO parts  Detect OS at 3,000 km  Relative motion requirement (OS in FOV) TBD  Resolve OS down to 10 m (may be too bright?)  Image update rate 20 seconds or less (data in S/C buffers within 20 seconds from end of exposure)  Variable/commandable exposure times  WAC  Build to print or spare MER NAV Camera  Detect OS at 2 km  Relative motion requirement (OS in FOV) TBD  Resolve OS to 2 m  FOV at least 40 degrees (full cone angle - covers expected proximity ops OS to camera relative motion)  Image update rate 5 seconds or less (data in S/C buffers within 5 seconds from end of exposure)  Variable/commandable exposure times Requirements

3. Marc Walch Page 3 CNES’07 Peer Review 4/17/02  Both  Ariane V launch environment.  Grade 2+ parts.  Other  Mission Assurance Class B+ mission Grade 2+ parts 18 kRad total dose  OS 20 cm diameter, 0.5 albedo, 30% return for Sun angle 3000 km range for search mode 2 km range for terminal phase mode Requirements

4. Marc Walch Page 4 CNES’07 Peer Review 4/17/02  Mechanical Drawing NAC Specifications

5. Marc Walch Page 5 CNES’07 Peer Review 4/17/02 NAC Specifications Power Supply (red box) Regulators, S/C interface, FPGA, ADC (green box) Radiator

6. Marc Walch Page 6 CNES’07 Peer Review 4/17/02  Performance  Power2.5 W  Mass2.5 kg (includes radiator and mount)  FOV1.4º  InterfaceLVDS (Command & Data, each having 3 lines)  Data transfer rate1 MHz baseline, 3 full-frame buffer  Resolution1 pixel = 20 cm at 8,500 m NAC Specifications

7. Marc Walch Page 7 CNES’07 Peer Review 4/17/02 WAC Specifications  Mechanical Drawing

8. Marc Walch Page 8 CNES’07 Peer Review 4/17/02  Performance  Power2 W continuous, some peaks at 3 W (readout & flush)  Mass235 g  FOV45º  Best focus1 m  Depth/field0.5 m  infinity  InterfaceLVDS (Command –2 lines– and Data – 3 lines –)  Data transfer rate10 MHz baseline (1 full frame in ~5 s)  In-spec T-55 C  +22 C  Survival T-120 C  +70 C WAC Specifications