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Analog System Review and Status

Analog System Review and Status. Wes Grammer NRAO. Outline. Top-level subsystem description Module-level design and construction status 2-meter Front End assembly Front End auxiliary electronics cabinet Downconverter module LO Distribution modules

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Analog System Review and Status

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  1. Analog System Review and Status Wes Grammer NRAO EOVSA Prototype Review

  2. Outline • Top-level subsystem description • Module-level design and construction status • 2-meter Front End assembly • Front End auxiliary electronics cabinet • Downconverter module • LO Distribution modules • Timing Generation and Distribution module • Correlator Clock Generation module • Rack-level design & cabling • Budget and current schedule EOVSA Prototype Review

  3. Analog Subsystem Diagram EOVSA Prototype Review

  4. 2-Meter Front End Assembly EOVSA Prototype Review

  5. 2-Meter Front End Block Diagram EOVSA Prototype Review

  6. EOVSA Prototype Review

  7. Half-side Interior View,2-meter Front End Assembly EOVSA Prototype Review

  8. 20 GHz Laser Transmitter EOVSA Prototype Review

  9. Optical Mux / Demux EOVSA Prototype Review

  10. Front End Module Design and Construction Current status • Most components on hand, except low-loss coax cables, BPF, bulkhead fiber adapter. • Module mechanical design 50% done; will contract Segars Engineering to complete. • Apex mounting plate design is TBD (Segars ) • Module wiring diagram is TBD • Ethernet cable is under construction (Kjell N.) • Front End interface board circuit design 90% done; PCB layout, fab and assembly TBD. Parts ordering TBD. • Software interface document, embedded firmware and control GUI are TBD. EOVSA Prototype Review

  11. Front End Auxiliary Cabinet EOVSA Prototype Review

  12. Auxiliary Cabinet Wiring Diagram EOVSA Prototype Review

  13. EOVSA Prototype Review

  14. Auxiliary Cabinet Design and Construction Current status • Nearly all components on hand; two Lambda supplies on backorder, opt. RX units in transit. • Wiring of first cabinet is well underway • All 4 power and signal cables completely specified, parts on hand at OVRO (Kjell to build) • 1PPS fiber patch cords on order; will arrive ~9/28 • Outdoor analog fiber drop cables on order; will arrive ~11/1. • Ethernet cable under construction (Kjell N.) • Multifiber cable termination inside cabinet TBD EOVSA Prototype Review

  15. Downconverter Module EOVSA Prototype Review

  16. Downconverter Block Diagram (1 of 2) EOVSA Prototype Review

  17. Downconverter Block Diagram (2 of 2) EOVSA Prototype Review

  18. Downconverter Module Interior Layout EOVSA Prototype Review

  19. Downconverter Front/Rear Panels EOVSA Prototype Review

  20. Downconverter Module Interface PCB EOVSA Prototype Review

  21. Downconverter Module Design and Construction - Current status • All components in, except one 2.92mm cable • Module mechanical design complete, metal work on order. Assembly drawings TBD. • Need to generate module wiring diagram; mechanical assembly of 1st module will begin ~ Oct. 8. • Downconverter interface board in assembly stage, firmware development and GUI TBD. • Rack DC power cables under construction EOVSA Prototype Review

  22. LO Distribution Module EOVSA Prototype Review

  23. LO Distribution Subsystem: LO1 EOVSA Prototype Review

  24. LO Distribution Subsystem: LO2, DC input EOVSA Prototype Review

  25. LO1-A, LO1-B Synthesizer EOVSA Prototype Review

  26. LO Distribution Module Interior Layout EOVSA Prototype Review

  27. LO Distribution Module Rear Panel EOVSA Prototype Review

  28. Quinstar Power Amplifiers for LO1 EOVSA Prototype Review

  29. LO Distribution Module Interface PCB EOVSA Prototype Review

  30. LO Subsystem Design and Construction Current status • All components in, except 2.92mm cables. • Distribution module mechanical design complete, metal work on order. Assembly drawings delivered. • Need to generate detailed wiring diagram; mechanical assembly will begin ~ Oct. 1. • LO interface module under assembly, firmware development and GUI in progress. • Power supply module mechanical design and fab is TBD; DC power cable is ready. EOVSA Prototype Review

  31. Timing Generation and Distribution Subsystem EOVSA Prototype Review

  32. Timing & Reference Distribution Block Diagram EOVSA Prototype Review

  33. Timing Generator Module Interior Layout EOVSA Prototype Review

  34. Timing Generator Module Rear Panel EOVSA Prototype Review

  35. 1 PPS Driver, 50 Hz Generator PCB EOVSA Prototype Review

  36. 1PPS Laser Transmitter Unit EOVSA Prototype Review

  37. EDFA / 16-way splitter (“PRD-16”) EOVSA Prototype Review

  38. PRD-16 Rear Panel EOVSA Prototype Review

  39. 1PPS Optical Receiver EOVSA Prototype Review

  40. Labview GUI for PRD-16 EOVSA Prototype Review

  41. Timing Generation and Distribution Subsystem Design and Construction - Current status • All components are in. • TGD module mechanical design complete, metal work on order (fast turnaround) • Assembly drawing delivered. • Need to generate module wiring diagram; mechanical assembly will begin ~ Oct. 1. • Timing generator boards built, tested. • Will need a small additional PCB for output buffering of the optical RX, to correct polarity, pulse width and drive level for cRIO. EOVSA Prototype Review

  42. Correlator Clock Generation (CCG) Module EOVSA Prototype Review

  43. CCG Module Block Diagram EOVSA Prototype Review

  44. CCG Module Interior layout EOVSA Prototype Review

  45. CCG Module Rear Panel EOVSA Prototype Review

  46. CCG Module Design and ConstructionCurrent status • All components in, except 1200 MHz PLO; expect it to ship 9/28/12 from vendor. • CCG module mechanical design complete, metal work on order (fast turnaround) • Assembly drawing delivered. • Need to generate CCG module wiring diagram; mechanical assembly will begin ~ Oct. 1. EOVSA Prototype Review

  47. Rack-Level Design and Cabling EOVSA Prototype Review

  48. Layout of Equipment Racks, Front View EOVSA Prototype Review

  49. Partial Drawing of Analog Racks, Rear View EOVSA Prototype Review

  50. LO Inter-rack Cable Routing EOVSA Prototype Review

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