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Phased Array Feed Development (GBT Tests)
Archived documentation of this project can be found here.PAF Workshop 2016 Slides
GBT Test of PAF, Jan 2015
- EDIR 326: Summary of January 2015 PAF observations with the GBT, Results and Comparison with PAF model: http://library.nrao.edu/public/memos/edir/EDIR_326.pdf
- Pictures of the Jan 21, 2015 installation
- Dipoles and Orientation for Jan 2015 GBT Test (also Dec 2013 GBT test): PAFmapping2.pdf
- Fiber Optic Issues for GBT Testing: Record_of_Fiber_Issues_for_GBT_Testing_of_Dec_2013_and_Jan_2015.pdf
- LNA Linearity Test: Phase_Array_Feed_LNA_measurement.pdf
- Test of PAF Backend Amplitude and Noise Linearity: Test_of_PAF_Backend_Amplitude_and_Noise_Linearity.docx
TOPICS FOR AN UPGRADED PAF, DECEMBER 2014
- System block diagram: https://safe.nrao.edu/wiki/bin/view/Beamformer/SystemArchitecture
- Next generation cryogenic low noise amplifier
- Coaxial input lines
- Digital down converter
- Net Burner info
- RFI enclosure for NetBurner and digital down converter
- Mechanical issues of wide spaced elements on the GBT
- Common datasheets
- RFI report: PAF_RFI_Test_Report.pdf
- Construction pictures 2016
- PAF_Auto_Balancer_Users_Manual_V1.0.docx
2013 Testing Campaign
- Preparation tasks for first GBT test: First_GBT_test_punch_list.docx
- Plans for Indoor-Outdoor Testing July 2013: Plan_for_Indoor-Outdoor_Test_on_July_2013.docx
- Status 09/26/13 : Status_9-26-13.docx
- OTF Testing of Phased Array (Test Plan) : OTF_Testing_of_Phased_Array: OTF_Testing_of_Phased_Array.doc
- Preliminary Report on Dec 2013 Test: GBT_Test_Report_Dec_2013.docx
- PAF GBT Dec 2013 Data/Model Discrepancy, Search for the Answer: GBT_FLAG_PAF_Dec_2013_Data_and_Analysis_revE.pdf
- The Phased Array Feed Receiver System : Linearity, Cross coupling and Image Rejection: imajrej.pdf
DOCUMENTATION
- Beamformer Packetizer (C program) report prepared by Arnab Summer_project_report2_packetizer.pdf
- Invited Talk at APS/URSI Vancouver 2015 aps2015_paf.pdf
- PAF block diagram, sheet 1: PAF Block diagram 01.pdf
- PAF block diagram, sheet 2: PAF_block_diagram_02.pdf
- PAF rack layouts: PAF_rack_layout.pdf
- ProcessingADLInkData.pdf Original PAF system description (partial draft)
- Vialite fiber link: VIALITE.pdf
- PAF radome: PAF_radome.pdf
- User's Guide to ADLink Data Acquisition System
- User's Guide to BYU PAF Data Acquisition System
- GBT Observing with PAF
- ADLink Data Monitor
- Software Correlator for ADLink Data
- GBT FITS Data Files
- Cryogenic Phase Array Feed I : Receiver Temperature
- Cryogenic Phase Array Feed II : Measurement of the cross coupling in the receiver system.
- Cryogenic Phase Array Feed III : Properties of the phased beam over a field of view of 0.3deg X 0.3deg
- Ground and Sky Noise Calculator for Outdoor Test Building
CRYOGENIC LOW NOISE AMPLIFIER
- BFU 75 Comparison: Comparison of BFU 75 replacement with original noise temperature
- PAF16_20_compare.pdf: Comparison of BFU 75 replacement with original noise temperature and Cold Attenuator measure of #16.
- Original Weinreb document: Origiinal_Weinreb_document.pdf
- LNA datasheet: LNA_BFU-725F.pdf
- cryo amp schematic: Cryo_amp_schematic.pdf
- PCB component layout: pcb_comp_layout.pdf
- Cryo LNA baseplate: Cryo_LNA_baseplate.pdf
- Cryo LNA top cover: Cryo_LNA_top_cover.pdf
- Cryo LNA bill of materials: Cryo_LNA_bill_of_materials.pdf
- Prototype LNA with connectorized input: Prototype_LNA_with_connectorized_input.pdf
- Production LNA with coax input line: Production_amp_with_coax_lines.pdf
- Cryo LNA noise in lab, B: Cryo_LNA_noise_in_lab.pdf
- bias vs noise temp: Bias_vs_noise_temp.pdf
- Noise budget: Noise_budget.pdf
- Noise temp summary: Noise_temp_summary.pdf
- Summary of cryo LNA work: Summary_of_cryo_LNA_work.pdf
MIXER CARD
- Mixer card: BYU_mixer_card.pdf
- HFCN-1200+ highpass filter: HFCN-1200+_highpass_filter.pdf
- LFCN-1500D+ lowpass filter: LFCN-1500+_lowpass_filter.pdf
- VNA-28 amplifier: VNA-28_amplifier.pdf
- ADE-30W+ mixer: ADE-30W+_LO1_mixer.pdf
- LFCN-530+ lowpass filter: LFCN-530+_lowpass_filter.pdf
- SF-400 bandpass filter: SF400_bandpass_filter.pdf
- AD8354 amplifier: AD8354_amplifier.pdf
- ADE-2+ mixer: ADE-2+_mixer.pdf
- LMH6639 IF amplifier: LMH6639_IF_amplifier.pdf
- BPF-2970 bandpass filter: BPF-2970_bandpass_filter.pdf
- BP4P+ LO1 power divider: BP4P +_LO1_power_divider.pdf
- SCA-4-10+ LO2 power divider: SCA-4-10+_LO2_power_divider.pdf
Fiber Link Hardware
- VIALITE.pdf: ViaLite SatCom Fibre Optic Link Users Manual
PICTURES
SYSTEM OVERVIEW
Laboratory Measurements
MEETINGS
2014-01-28 PAF Meeting Minutes 2014-02-06 PAF Cville Planning Meeting 2014-04-15 PAF Meeting Minutes 2014-04-17 PAF Meeting Minutes Slides presented at June 2015 Status Meeting with NRAO Director: PAF_Status_June_2015.pptxGBT 2013 Data Analysis
Sept 3rd Meeting: GBT FLAG PAF Dec 2013 Data and Analysis
| I | Attachment |
Action | Size | Date | Who | Comment |
|---|---|---|---|---|---|---|
 pdf |
GBT_FLAG_PAF_Dec_2013_Data_and_Analysis_B.pdf | manage | 1 MB | 2014-09-30 - 15:39 | BillShillue | |
| pdf |
GBT_FLAG_PAF_Dec_2013_Data_and_Analysis_revE.pdf | manage | 2 MB | 2015-01-14 - 11:25 | BillShillue | |
 docx |
GBT_Test_Report_Dec_2013.docx | manage | 17 K | 2015-01-20 - 11:23 | BillShillue | |
| docx |
Plan_for_Indoor-Outdoor_Test_on_July_2013.docx | manage | 14 K | 2015-01-13 - 16:05 | BillShillue | |
| pdf |
Record_of_Fiber_Issues_for_GBT_Testing_of_Dec_2013_and_Jan_2015.pdf | manage | 88 K | 2015-03-06 - 11:43 | BillShillue | |
 txt |
20m_AdcPafFits.py.txt | manage | 10 K | 2012-09-10 - 14:59 | RickFisher | FITS writer code for AdcFITS files (initial definition) |
| txt |
20m_RcvrPafFits.py.txt | manage | 11 K | 2012-09-10 - 14:54 | RickFisher | FITS writer code for RcvrPAF FITS files (initial definition) |
 c |
9812PAF.c | manage | 26 K | 2012-09-03 - 17:45 | RickFisher | Source code for driving he PCI-9812 ADC cards. |
| txt |
9812_server.py.txt | manage | 8 K | 2012-09-03 - 17:58 | RickFisher | Socket server for PCI-9812 ADC cards |
| pdf |
20140128_PAF_Meeting_Notes.pdf | manage | 8 K | 2014-04-16 - 15:08 | BillShillue | |
| docx |
20140206_PAF_CVille_Planning_Meeting.docx | manage | 2 MB | 2014-04-21 - 17:33 | BillShillue | |
| pdf |
aps2015_paf.pdf | manage | 240 K | 2015-01-20 - 11:17 | BillShillue | |
| pdf |
aroshi_PAF2016.pdf | manage | 50 MB | 2016-08-21 - 21:36 | AnishRoshi | PAF Workshop 2016 talk slide of Anish Roshi |
| pdf |
ccoup_1.pdf | manage | 529 K | 2013-03-19 - 16:56 | AnishRoshi | Cryogenic Phase Array Feed II : Measurement of the cross coupling in the receiver system |
| pdf |
cpaftrec_1.pdf | manage | 789 K | 2013-03-19 - 16:40 | AnishRoshi | Cryogenic Phase Array Feed I : Receiver Temperature |
| docx |
First_GBT_test_punch_list.docx | manage | 14 K | 2015-01-13 - 15:47 | BillShillue | |
| txt |
gpib_server.py.txt | manage | 25 K | 2012-09-03 - 14:59 | RickFisher | Socket server for PAF GPIB instruments |
| txt |
gpibV1p1.py.txt | manage | 31 K | 2012-09-03 - 16:40 | RickFisher | Code for GUI for GPIB instruments |
| pdf |
imajrej.pdf | manage | 2 MB | 2015-01-14 - 13:12 | BillShillue | |
| doc |
OTF_Testing_of_Phased_Array.doc | manage | 50 K | 2015-01-13 - 16:00 | BillShillue | |
| docx |
PAF_Auto_Balancer_Users_Manual_V1.0.docx | manage | 1 MB | 2016-07-27 - 19:55 | BillShillue | |
| docx |
PAF_Meeting_20140415.docx | manage | 589 K | 2014-04-16 - 14:42 | BillShillue | 4-15-2014 PAF Meeting |
| docx |
PAF_Meeting_20140417.docx | manage | 13 K | 2014-04-21 - 16:38 | BillShillue | |
| docx |
PAF_on_the_GBT.docx | manage | 98 K | 2012-09-10 - 13:03 | RickFisher | FITS formats for PAF data (early draft) |
 pptx |
PAF_Status_June_2015.pptx | manage | 237 K | 2015-06-15 - 11:00 | BillShillue | |
| pdf |
PAF16_18_20_compare.pdf | manage | 587 K | 2014-04-17 - 09:27 | StevenWhite | BFU 75 Comparison |
| pdf |
PAF16_20_compare.pdf | manage | 366 K | 2014-04-17 - 09:48 | StevenWhite | |
| pdf |
PAFmapping2.pdf | manage | 597 K | 2015-03-06 - 11:31 | BillShillue | |
| pdf |
Phase_Array_Feed_LNA_measurement.pdf | manage | 104 K | 2015-06-11 - 11:58 | BillShillue | |
| pdf |
phasedprop_1.pdf | manage | 1 MB | 2013-03-19 - 17:02 | AnishRoshi | Cryogenic Phase Array Feed III : Properties of the phased beam over a field of view of 0.3deg X 0.3deg |
| pdf |
ProcessingADLInkData.pdf | manage | 485 K | 2012-09-11 - 09:41 | RickFisher | Original PAF System description (partial draft) |
| docx |
Status_9-26-13.docx | manage | 15 K | 2015-01-13 - 16:03 | BillShillue | |
| pdf |
Summer_project_report2_packetizer.pdf | manage | 1 MB | 2015-08-25 - 11:50 | AnishRoshi | Arnab's project report on beamformer packetizer |
| docx |
Test_of_PAF_Backend_Amplitude_and_Noise_Linearity.docx | manage | 336 K | 2015-06-11 - 11:59 | BillShillue |
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Topic revision: r68 - 2016-08-21, AnishRoshi
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