Monthly Status Review Wednesday, January 18, 2012 LPW/EUV

1. Monthly Status ReviewWednesday, January 18, 2012LPW/EUV Jim Westfall PM & Will Thompson SE Laboratory for Atmospheric and Space Physics University of Colorado at Boulder

2. LPW Team

3. Overview • DFB/BEB EM3 testing continues to look good • Slight delayafter first of the year due to slow payment of invoices by University – this is has been corrected and contractor is back at work • FPGA performance is good, stable, and essentially ready for flight burn • Reviews are complete • Waiting concurrence of RFAs • EUV is in flight build • Detector assemblies in process • Aperture housing in assembly • Detector housing in assembly

4. Schedule • Deliver to SSL • EM3 BEB/DFB • When SSL ready • FM BEB/DFB • 29 February 2012 • FM EUV • 16 April 2012 • Assay Dates • FM BEB/DFB • 9 February 2012 • FM EUV • 9 February 2012

5. Recent Significant Accomplishments • Flight Model DFB & BEB • DFB and BEB have completed assembly at JPL and are back at LASP for the next steps • Flight Model EUV Electronics Boards • Completed assembly at LASP • “EM#3” DFB & BEB boards • Implemented 2x weekly status meetings in the lab to stay on top of progress and performance verification questions • Completing bench testing of analog and digital sections • Small number of open items remain • All mechanical fabrication for FM DFB/BEB and EUV have been completed with only a little plating remaining • Waiting for electrical test and harness assembly to complete

6. DFB/BEB EM3 Testing • EM3 BEB/DFB testing looks good with small number of open items • HF channel shows unexpected frequency response most likely due to board layout parasitic capacitance • To date we still have identified only two modifications that we will be implemented on the FM boards (white wires) • 4 wire jumper to correct BEB to DFB input loading problem • Addition of 2 diodes in BEB clipping circuit • Not yet certain if change will be made to DFB HF Channel though this is can very likely be corrected with a component change • All FPGA functionality has been tested and meets requirements except Preamp Relay protection • Added in case relay doesn’t change states when commanded • Method for sensing a missed relay flip not as obvious as hoped

7. DFB/BEB Mechanical • DFB and BEB Mechanical Frames have been manufactured • Working on clarification with SSL of one hole dimension (depth) prior to going to plating • Once plated they are ready for assembly with FM DFB and BEB

8. DFB FPGA Status • FPGA design review with GSFC FPGA experts was held on December 22nd • No new actions • All old actions have been submitted to the reviewers • 1 RFA not submitted related to creation of specification that was not planned • We are aware of no open actions and no reason not to burn the flight FPGAs when the DFB is ready • Have not received concurrence from FPGA reviewers on submitted actions • Bottom line – the FPGA is ready to go!

9. LPW-SSL Current Status – Boom/Sensor • G. Delory, S. Harris, J. McCauley • MAVEN QSR Jan 18 2012

10. LPW-SSL Current Status – Boom/Sensor • Goal for past quarter was to complete FM assembly by mid-December, with a possible slip to January • FM assembly has slipped to end of January due to late deliveries/closures of various vendors • ~50% of mechanical parts delivered and ready for boom assembly and test • ~10% of mechanical parts for preamp assembly delivered • All flight electrical parts in and kitted

11. LPW-SSL Current Status – Boom/Sensor • Additional tests of EM conducted to determine low-end sensitivity and high impedance measurement capability • Results thus far continue to meet requirements • FM assembly and test flow developed, under revision/review

12. LPW-SSL Current Status – Whip Coating • Last quarter it was determined that whip coating cracks during vibration • Analysis carried out; determined that a 2” reduction in whip length (from 50 to 45 cm) drastically reduces stress on the coating • Samples vibrated to simulate stress on a 45 cm whip sample • Coating from these samples currently out for SEM/surface characterization (results due 1/18 – today) • At present, a 2” reduction in whip length is planned. Further decisions deferred until surface analysis is completed

13. LPW-SSL Plans for Next Quarter • Complete assembly of the FM boom/sensor • Boom FM build & deployment tests • Goal: integrated LPW boom/sensor assembled by end of January/beginning of February • Finalize test and cal plan for FM, ATLO, and begin implementation • In progress now • Continue tests of integrated EM instrument w/electronics from LASP • Validate lessons learned/changes from previous EM tests

14. EUV Status - Mechanical • All the FAIs have been completed, released, and are ready for production • All EUV FM machining and plating has been completed • Aperture housing mechanical assembly is complete up to installation of harnesses • Detector housing mechanical assembly is complete up to installation of harnesses

15. EUV Status - Electrical • Diode and Mother Board Status • Diode PWBAs are complete and ready for next assembly • Mother Board PWBA is complete and ready polymerics • Harness work in progress • Motor harness for aperture mechanism is complete • Heater harness is in production at GSFC and should complete before the end of next week • Door actuator harness is in production at GSFC and should complete before the end of next week • Flex circuit harness is in production at GSFC and should complete before the end of next week • Aperture Position GSE • Design and layout are complete and the board is out for assembly • Due back in 3 to 4 weeks • Working with LM to accommodate this assembly during ATLO • LM has reviewed STEP files of EUV with GSE mounted but we need additional conversations – will work on this in January so no impacts on EUV MICD discussion in February

16. Current RFA Status • FPGA Peer Review • Currently working and coordinating open actions with GSFC • Awaiting Goddard concurrence to close

17. LPW-EUV Resource Status

18. Resource Tracking - Power

19. Resource Tracking - Mass

20. Risk Summary Status as of: 6/1/07

21. Risk Matrix Status as of: 6/1/07 Criticality L x C Trend Approach M – Mitigate W – Watch A – Accept R - Research Decreasing (Improving) Increasing (Worsening) Unchanged New since last month High Med * Low

22. LPW Risk Details

23. Concerns / Issues • None