ALMA FE Info (links to old EDM, new EDM, JIRA and elsewhere)

Science and System-level Specifications

ALMA2030 Development

Useful documents of Larry D'Addario

Selected Front End-related JIRA tickets

Spare parts policy (or lack thereof)

  • This document mentions them as needed in PDR and CDR but no quantitative values: "ALMA Reviews Definitions, Guidelines and Procedure": ALMA-80.09.00.00-001-D-PLA
  • ALMA Maintenance Plan merely says: "The MTBF analysis of a sub‐system, e.g. front end, or assembly, or a receiver cartridge, is scrutinized as part of the RAMS (Reliability, Availability, Maintainability and Safety) effort at every design review."
  • Operations Plan (D) (Operations Plan B) simply says: "For each LRU, sufficient spare parts shall be produced in accordance with its MTBF, MTTR and system availability requirements"
  • Operations Plan A actually contains quantitative calculation examples (section 6.4 and 6.5) (local PDF)
  • ALMA Product Assurance document simply says that a spare parts list needs to be included in handover of an acceptance package
  • BLC doc CORL-60.00.00.00-014-A-PLA (see below) says "Lifetime purchases of spare logic cards and spare loose parts will have been done with the purchase of material for the initial build of the system."

Artificial source on Cerro Honar

Back End

YouTube videos

Control software

Baseline Correlator

ACA Correlator (ACAC)

ACA Spectrometer (ACAS)

Front End (current list of LRU serial numbers in antennas)

recently-proposed FE CREs

FE acceptance reports & Configured Item Data Lists

Summary of LO power requirements

Beginning with Band 4 there is also a cold multiplier after the WCA, whose output power is specified in the ICD between the receiver cartridge and the First LO.

Band 1:

WCA: the output power of either channel shall be a minimum of 13 dBm. (20mW)

Band 2:

WCA:

Band 3:

WCA: the output power of either channel of the Band 3 first local oscillator shall be adjustable from –4 to +2 dBm in steps of 0.5 dB or less.

Band 4:

WCA: The output power of either channel shall be as follows: 15 mW over the 66.5 to 75 GHz range (adjustable in less than 0.25 dB steps down to 3.75 mW), 30 mW over 75 to 77.5 GHz range (adjustable in less than 0.25 dB steps down to 7.5 mW).

ICD: FEND-40.02.04.00-40.10.04.00-B-ICD: Output of each channel shall be adjustable from 200 μW to 20 μW in 0.5 dB steps. This requires that the loss in the waveguide between the WCA and the coolable frequency doubler input flange is as per the specifications that follow in this table. The cartridge manufacturer is responsible for supplying and installing this waveguide. It shall be possible to adjust the output of each channel from 20 μW down to 0 μW.

Band 5:

WCA: The Band 5 LO shall provide two LO power outputs (one for each mixer polarization) with a power level ≥ 0.4 mW.

ICD: FEND-40.02.05.00-40.10.05.00-C-ICD: Output of each channel shall be adjustable from 250 μW to 125 μW in steps not larger than 0.3 dB. This requires that the loss in the waveguide between the WCA and the coolable frequency doubler input flange is as per the specifications that follow in this table. The cartridge manufacturer is responsible for supplying and installing this waveguide. It shall be possible to adjust the output of each channel from 125 μW down to 0 μW.

Band 6:

WCA: The output power of either channel shall be adjustable from 5 mW to 20 mW in less than 0.5 dB steps.

ICD: FEND-40.02.06.00-40.10.06.00: 37.5 uW to 150 uW adjustable in 0.5 dB steps, provided that the waveguide loss between the WCA LO waveguide interface and the cryogenic tripler input waveguide is less than 2.0 dB (TBC).

Band 7:

WCA: the output power of either channel shall be adjustable from 1 mW to 3 mW in less than 1 dB steps, and from 3 mW to 8 mW in less than 0.5 dB steps.

ICD: FEND-40.02.07.00-40.10.07.00-B03-ICD: Output of each channel shall be adjustable from 150 μW to 37.5 μW in 0.5dB steps, from 37.5 μW to 20 μW in 0.8 dB steps, and from 20 μW to 10 μW in 1.0 dB steps. This requires that the loss in the waveguide between the WCA and the coolable frequency tripler input flange is as per the specifications that follow in this table. The cartridge manufacturer is responsible for supplying and installing this waveguide. It shall be possible to adjust the output of each channel from 10 μW down to 0 μW.

Band 8:

WCA: the output power of either channel shall be adjustable from 20 mW to 80 mW in less than 0.3 dB steps. In addition, from 65.5-70.0 GHz, the output power shall be adjustable up to 90 mW.

ICD: FEND-40.02.08.00-40.10.08.00-A-ICD: Output of each channel shall be adjustable from 20 μW to 80μW (goal shall be 100 μW) in 0.5 dB steps. This requires that the loss in the waveguide between the WCA and the coolable frequency quintupler input flange is as per the specifications that follow in this table. The cartridge manufacturer is responsible for supplying and installing this waveguide. It shall be possible to adjust the output of each channel from 20 μW down to 0 μW.

Band 9:

WCA: the output power of either channel shall be adjustable from 50 mW to 100 mW in less than 0.3 dB steps.

ICD: FEND-40.02.09.00-40.10.09.00-A08-ICD: Output of each channel shall be adjustable from 10 μW to 40 μW in 0.5dB steps. This requires that the loss in the waveguide between the WCA and the coolable frequency nonupler input flange is as per the specifications that follow in this table. The cartridge manufacturer is responsible for supplying and installing this waveguide. It shall be possible to adjust the output of each channel from 10 μW down to 0 μW.

Band 10:

WCA: the output power of either channel shall be adjustable from 20 mW to 60 mW in less than 0.5 dB steps for the frequency range of 88.3 GHz to <98 GHz, and from 20mW to 80 mW in less than 0.5 dB steps from 98 GHz to 104.7 GHz.

ICD: FEND-40.02.10.00-40.10.10.00-A-ICD: Output of each channel shall be adjustable from 15 μW to 3.75μW in 0.5 dB steps. This requires that the loss in the waveguide between the WCA and the coolable frequency nonupler input flange is as per the specifications that follow in this table. The cartridge manufacturer is responsible for supplying and installing this waveguide. It shall be possible to adjust the output of each channel independently from 3.75 μW down to 0 μW. (If the output power level is larger than 15 μW, then the step size will be 0.5 dB or finer.)

-- ToddHunter - 2010-02-01
Topic attachments
I Attachment Action SizeSorted ascending Date Who Comment
1-2021-05-25_ALMA-40.00.00.00-001-B-SPE_Front_End_Technical_Specifications_RELEASED.pdfpdf 1-2021-05-25_ALMA-40.00.00.00-001-B-SPE_Front_End_Technical_Specifications_RELEASED.pdf manage 1 MB 2023-08-24 - 15:42 ToddHunter  
20091214_FEND-40.06.00.00-009-C-SPE.docdoc 20091214_FEND-40.06.00.00-009-C-SPE.doc manage 1 MB 2023-08-24 - 20:03 ToddHunter ACD requirements
ALMA-05.13.00.00-0003-A-PLA.docx.dotdot ALMA-05.13.00.00-0003-A-PLA.docx.dot manage 1 MB 2024-03-05 - 14:16 ToddHunter HIL PDR management plan
ALMA-38.00.00.00-001-A-SPE.pdfpdf ALMA-38.00.00.00-001-A-SPE.pdf manage 1 MB 2023-10-24 - 23:49 ToddHunter 7m antenna specs
COMP-70.40.00.00-001-F-DSN.pdfpdf COMP-70.40.00.00-001-F-DSN.pdf manage 1 MB 2023-04-10 - 12:01 ToddHunter  
CORL-60.01.07.00-001-B-SPE_Description.pdfpdf CORL-60.01.07.00-001-B-SPE_Description.pdf manage 1 MB 2022-01-07 - 14:54 ToddHunter  
IntelStratix.pdfpdf IntelStratix.pdf manage 1 MB 2021-09-09 - 15:17 ToddHunter comparison of TX and SX family
SYSE-80.04.01.00-004-R-DWG-04-01-2021.pdfpdf SYSE-80.04.01.00-004-R-DWG-04-01-2021.pdf manage 1 MB 2021-09-08 - 14:59 ToddHunter ALMA block diagram
alma_calibration_device.pptxpptx alma_calibration_device.pptx manage 1 MB 2011-11-30 - 13:04 ToddHunter diagrams of ACD
version7.pdfpdf version7.pdf manage 1 MB 2022-03-22 - 08:41 ToddHunter ICD from Site to ACAC
2021-12-09_ALMA-62.00.00.00-64.00.00.00-B-ICD_SignCollecting.pdfpdf 2021-12-09_ALMA-62.00.00.00-64.00.00.00-B-ICD_SignCollecting.pdf manage 2 MB 2022-03-22 - 09:00 ToddHunter ICD from ACAC to ACAS
ALMA-34.00.00.00-006-A-SPE.pdfpdf ALMA-34.00.00.00-006-A-SPE.pdf manage 2 MB 2023-08-18 - 18:01 ToddHunter Technical Specification for Design, Manufacturing, Transport and Integration on Site of the ALMA ANTENNAS
FEND-40.02.10.00-0002-A-SPE.pdfpdf FEND-40.02.10.00-0002-A-SPE.pdf manage 2 MB 2022-03-11 - 12:40 ToddHunter Band 10 specifications
FEND-40.06.04.00-016-D-REP_Loads_Test.pdfpdf FEND-40.06.04.00-016-D-REP_Loads_Test.pdf manage 2 MB 2023-08-24 - 20:09 ToddHunter ACD performance report
STR-C Released ALMA-80.04.00.00-005-C-SPE-2.pdfpdf STR-C Released ALMA-80.04.00.00-005-C-SPE-2.pdf manage 2 MB 2021-05-24 - 10:44 ToddHunter system level technical requirements
2018-01-25-ALMA-60.00.00.00-70.40.00.00-E-ICD.pdfpdf 2018-01-25-ALMA-60.00.00.00-70.40.00.00-E-ICD.pdf manage 3 MB 2021-06-28 - 00:07 ToddHunter ICD from Correlator to Computing IPT
CalibrationofALMA9.pdfpdf CalibrationofALMA9.pdf manage 3 MB 2022-01-11 - 11:07 ToddHunter  
ALMA Power costs - ALMA-20.05.01.00-0044-A-REP_rev A.1 190304-clean.pdfpdf ALMA Power costs - ALMA-20.05.01.00-0044-A-REP_rev A.1 190304-clean.pdf manage 4 MB 2022-02-01 - 14:55 ToddHunter  
99142O.pdfpdf 99142O.pdf manage 5 MB 2020-09-24 - 23:17 ToddHunter  
FEND-40.02.06.00-060-I-DSN.pdfpdf FEND-40.02.06.00-060-I-DSN.pdf manage 5 MB 2021-10-20 - 16:12 ToddHunter Band 6 overall design document
2006-08-19 ALMA-80.00.01.00-001-A-REP.pdfpdf 2006-08-19 ALMA-80.00.01.00-001-A-REP.pdf manage 8 MB 2022-04-05 - 20:17 ToddHunter ALMA ACA 12 m Mitsubishi Production Antenna Receiver Cabin Layout
2019-10-13_CORL-64.00.00.00-013-A-REP_ReportHVACStudies.pdfpdf 2019-10-13_CORL-64.00.00.00-013-A-REP_ReportHVACStudies.pdf manage 8 MB 2022-03-22 - 08:55 ToddHunter  
2008-01-31-optical-analysis-final-report.pdfpdf 2008-01-31-optical-analysis-final-report.pdf manage 11 MB 2014-03-20 - 09:13 ToddHunter Full TICRA report
FEND-40.07.00.00-032-B-REP <a class="foswikiNewLink" href="/wiki/bin/edit/Main/ACZDES001B?topicparent=Main.ALMAFEInfo" rel="nofollow" title="Create this topic">ACZDES001B</a> Design signed.pdfpdf FEND-40.07.00.00-032-B-REP ACZDES001B Design signed.pdf manage 13 MB 2022-03-28 - 14:28 ToddHunter WVR design report B
Band 6 ICDs specifications and requirements.xlsxxlsx Band 6 ICDs specifications and requirements.xlsx manage 16 K 2022-03-14 - 14:40 ToddHunter Saini's spreadsheet of EDM links
timeSynchronizationDesignRules.pdfpdf timeSynchronizationDesignRules.pdf manage 20 K 2016-05-11 - 15:00 ToddHunter  
correlatorpdr.pdfpdf correlatorpdr.pdf manage 40 K 2024-03-05 - 14:29 ToddHunter BLC PDR Feb 2000
20061207OperationMaintenance.pdfpdf 20061207OperationMaintenance.pdf manage 53 K 2022-03-14 - 14:48 ToddHunter ACA correlator spares
2005-09-15-BEND-55.05.04.02-001-A-SPE.pdfpdf 2005-09-15-BEND-55.05.04.02-001-A-SPE.pdf manage 66 K 2022-10-24 - 10:18 ToddHunter  
2006-02-16-BEND-52.06.04.00-001-A-SPE.pdfpdf 2006-02-16-BEND-52.06.04.00-001-A-SPE.pdf manage 74 K 2022-10-23 - 23:35 ToddHunter  
cryo.pdfpdf cryo.pdf manage 75 K 2011-04-25 - 18:07 ToddHunter page 16 of Carter's optics design report showing layout of receiver windows
Corr_CDR_maint_-2.0903.pdfpdf Corr_CDR_maint_-2.0903.pdf manage 164 K 2022-03-18 - 16:26 ToddHunter  
2008-05-30ALMA-53.01.00.00-004-C-SPE.pdfpdf 2008-05-30ALMA-53.01.00.00-004-C-SPE.pdf manage 212 K 2022-05-06 - 19:34 ToddHunter digitizer requirements
FEND-40.02.04.00-062-A-CRE.pdfpdf FEND-40.02.04.00-062-A-CRE.pdf manage 213 K 2010-03-09 - 01:13 ToddHunter  
2007-03-23-BEND-52.00.02.00-002-A-SPE.pdfpdf 2007-03-23-BEND-52.00.02.00-002-A-SPE.pdf manage 214 K 2022-10-23 - 23:40 ToddHunter  
version1.pdfpdf version1.pdf manage 253 K 2021-11-16 - 14:13 ToddHunter BLC specifications
2017-10-25_FEND-40.02.02.00-0048-A-SPE.pdfpdf 2017-10-25_FEND-40.02.02.00-0048-A-SPE.pdf manage 262 K 2023-03-07 - 15:47 ToddHunter Band 2+3 requirements
28 - 2018-02-23-ALMA-60.00.00.00-0001-D-SPE Correlator_Specifications.pdfpdf 28 - 2018-02-23-ALMA-60.00.00.00-0001-D-SPE Correlator_Specifications.pdf manage 263 K 2023-10-22 - 16:48 ToddHunter  
2005-10-25 SYSE-80.01.01.00-001-A-GEN.pdfpdf 2005-10-25 SYSE-80.01.01.00-001-A-GEN.pdf manage 277 K 2024-03-05 - 14:10 ToddHunter  
Band_10_Specifications_PY_KS_101027.pdfpdf Band_10_Specifications_PY_KS_101027.pdf manage 288 K 2011-01-31 - 13:55 ToddHunter Band 10 specs (Oct 2010)
stratixModelNumber.pngpng stratixModelNumber.png manage 289 K 2021-09-09 - 14:42 ToddHunter  
systemDescription2004feb20.pdfpdf systemDescription2004feb20.pdf manage 291 K 2016-05-11 - 15:00 ToddHunter  
2008-08-20-ALMA-55.07.00.00-70.35.30.00-C-ICD.pdfpdf 2008-08-20-ALMA-55.07.00.00-70.35.30.00-C-ICD.pdf manage 292 K 2021-11-05 - 16:05 ToddHunter ICD between Back-End/FTS and Computing/Control
FEND-40 10 10 00-0001-A-SPE_B10 WCA Tech Spec.pdfpdf FEND-40 10 10 00-0001-A-SPE_B10 WCA Tech Spec.pdf manage 320 K 2023-03-20 - 08:40 ToddHunter  
FEND-40.10.10.00-0001-A-SPE-B10-WCA-Tech-Spec.pdfpdf FEND-40.10.10.00-0001-A-SPE-B10-WCA-Tech-Spec.pdf manage 320 K 2023-08-18 - 11:39 ToddHunter  
COMP-70.40.00.00-002-C-PLA.pdfpdf COMP-70.40.00.00-002-C-PLA.pdf manage 342 K 2023-04-10 - 12:20 ToddHunter  
acd_spie.pdfpdf acd_spie.pdf manage 342 K 2014-05-14 - 23:51 ToddHunter  
2012-09-03_ALMA-80.04.00.00-0038-A-SPE.pdfpdf 2012-09-03_ALMA-80.04.00.00-0038-A-SPE.pdf manage 345 K 2021-06-01 - 12:03 ToddHunter Sramek and Napier memo
FEND-40.10.09.00-001-A-SPE.pdfpdf FEND-40.10.09.00-001-A-SPE.pdf manage 364 K 2023-08-18 - 10:10 ToddHunter Band 9 LO req.
2006-7-28ALMA-90.00.00.00-001-A-SPE.pdfpdf 2006-7-28ALMA-90.00.00.00-001-A-SPE.pdf manage 366 K 2017-12-27 - 18:43 ToddHunter ALMA Scientific requirements
FEND-40.02.04.00-016-B-PRO-IRR.pdfpdf FEND-40.02.04.00-016-B-PRO-IRR.pdf manage 381 K 2023-08-24 - 13:44 ToddHunter Band 4 image rejection test procedure
ALMA-40.00.00.00-001-A-SPE.pdfpdf ALMA-40.00.00.00-001-A-SPE.pdf manage 399 K 2022-03-09 - 16:32 ToddHunter Front-End Sub-System for the 12 m-Antenna Array Technical Specifications
Screen_Shot_2014-05-14_at_10.11.44_PM.pngpng Screen_Shot_2014-05-14_at_10.11.44_PM.png manage 401 K 2014-05-15 - 00:14 ToddHunter ALMA ACD photo mounted in antenna but with cryostat not present
arcetriTechnicalReport_3_2003.pdfpdf arcetriTechnicalReport_3_2003.pdf manage 420 K 2022-01-07 - 14:48 ToddHunter  
FEND-40.10.06.00-001-C02-SPE.pdfpdf FEND-40.10.06.00-001-C02-SPE.pdf manage 432 K 2023-08-17 - 13:39 ToddHunter Band 6 LO specs
FEND-40.02.09.00-002-B-SPE_released.pdfpdf FEND-40.02.09.00-002-B-SPE_released.pdf manage 462 K 2023-08-18 - 10:20 ToddHunter Band 9 FELO Req.
060211CORL-60.01.07.05-004-A-SPE_vers4.pdfpdf 060211CORL-60.01.07.05-004-A-SPE_vers4.pdf manage 472 K 2022-01-15 - 16:06 ToddHunter  
FEND-40.02.05.00-001-C-SPE.Band5CartridgeTechnicalSpecifications.pdfpdf FEND-40.02.05.00-001-C-SPE.Band5CartridgeTechnicalSpecifications.pdf manage 528 K 2023-08-22 - 12:35 ToddHunter  
FEND-40.02.01.00-0007-A02-SPE Technical Specifications.pdfpdf FEND-40.02.01.00-0007-A02-SPE Technical Specifications.pdf manage 530 K 2020-07-06 - 20:08 ToddHunter Band 1 technical specifications
ALMA-62.00.00.00-001-A-SPE.pdfpdf ALMA-62.00.00.00-001-A-SPE.pdf manage 539 K 2021-11-16 - 14:17 ToddHunter ACA specs
2017-11-24 ALMA-05.13.00.00-0001-A-PLA ALMA HIL Sim Environment PDR Plan_A.8.pdfpdf 2017-11-24 ALMA-05.13.00.00-0001-A-PLA ALMA HIL Sim Environment PDR Plan_A.8.pdf manage 571 K 2024-03-05 - 14:13 ToddHunter HIL PDR review plan
version8.pdfpdf version8.pdf manage 575 K 2022-03-22 - 08:30 ToddHunter ACAS specifications
Band3_optimize_FEND-40.01.03.00-012-A-REP.pdfpdf Band3_optimize_FEND-40.01.03.00-012-A-REP.pdf manage 606 K 2014-03-27 - 10:11 ToddHunter 2009-03-06
14 - FEND-40.02.07.00-002-E-SPE.pdfpdf 14 - FEND-40.02.07.00-002-E-SPE.pdf manage 612 K 2024-03-18 - 13:35 ToddHunter Band 7 requirements
5 - ALMA-34_00_00_00-50_00_00_00-B-ICD.pdfpdf 5 - ALMA-34_00_00_00-50_00_00_00-B-ICD.pdf manage 613 K 2023-02-02 - 12:53 ToddHunter Interface Control Document Between: Antenna Subsystem And: Back End Subsystems
2008-10-06-ALMA-53.08.00.00-70.35.30.00-B-ICD.pdfpdf 2008-10-06-ALMA-53.08.00.00-70.35.30.00-B-ICD.pdf manage 757 K 2022-10-19 - 17:28 ToddHunter ICD Backend DTS Transmitter to Control
CDR2ControlDesign.pdfpdf CDR2ControlDesign.pdf manage 784 K 2022-08-22 - 17:58 ToddHunter  
ALMA-00.00.00.00-002-A-PLA.pdfpdf ALMA-00.00.00.00-002-A-PLA.pdf manage 785 K 2022-03-14 - 16:35 ToddHunter  
2018-12-06-ALMA-50.00.00.00-092-C-SPE.pdfpdf 2018-12-06-ALMA-50.00.00.00-092-C-SPE.pdf manage 864 K 2022-03-11 - 16:33 ToddHunter BE technical requirements
ALMA-80.05.00.00-001-C-SPE.pdfpdf ALMA-80.05.00.00-001-C-SPE.pdf manage 865 K 2022-02-01 - 14:58 ToddHunter ALMA Power Quality Specifications
2010-06-09 - ALMA-40.00.00.00-70.35.25.00-B-ICD.pdfpdf 2010-06-09 - ALMA-40.00.00.00-70.35.25.00-B-ICD.pdf manage 881 K 2024-02-13 - 23:25 ToddHunter FE-Control ICD
2022-11-28-ALMA-64.00.00.00-005-D-SPE-ACA_Spectrometer_Technical_Specifications_clean.pdfpdf 2022-11-28-ALMA-64.00.00.00-005-D-SPE-ACA_Spectrometer_Technical_Specifications_clean.pdf manage 925 K 2023-08-28 - 18:07 ToddHunter  
Band3_detail_FEND-40.01.03.00-011-A-REP.pdfpdf Band3_detail_FEND-40.01.03.00-011-A-REP.pdf manage 954 K 2014-03-27 - 10:11 ToddHunter 2009-03-06
FEND-40.02.08.00-022-B-PRO-IRR.pdfpdf FEND-40.02.08.00-022-B-PRO-IRR.pdf manage 978 K 2023-08-24 - 13:53 ToddHunter Band 8 image rejection test procedure
FEND-40.02.06.00.001-A-SPE.pdfpdf FEND-40.02.06.00.001-A-SPE.pdf manage 990 K 2022-04-27 - 09:15 ToddHunter Band 6 specs
Topic revision: r180 - 2024-03-18, ToddHunter
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