CESR BPM development
Resources
- Toy Monte-Carlo simulation of the CBPM system: note explaining how to use the simulation and what are the sources of errors and how do they translate in the button data download PDF
- First pitch-and-catch bench test feasibility measurements: note detailing the first feasibility bench measurements for the pitch-and-catch scheme download PDF
- AFE refurbishing instructions (10/13/2023): here
November 22, 2024
Meeting Materials
- Antoine: sampling clock jitter.
- Antoine: waveform time step skipping.
- Antoine: lots of individual plots for waveform time step skipping from 2011.
November 15, 2024
Meeting Materials
- Antoine: sampling clock jitter.
- Antoine: waveform time step skipping.
- Antoine: lots of individual plots for waveform time step skipping.
November 8, 2024
Meeting Materials
November 1, 2024
Meeting Materials
- Antoine et al: summary of machine study week studies.
October 11, 2024
Meeting Materials
- Antoine, Vardan: first GDX testing for orbit correction.
- Will: Synchrotron stripline BPM
September 20, 2024
Meeting Materials
- Antoine: CBPM gain calibration using the 4-wave approach and comparison with 3-wave and bump approaches. 4-wave is quite a success and all automated.
- Antoine: CBPM gain calibration about 3-wave attempt back in June.
August 30, 2024
Meeting Materials
- Antoine: CBPM3 temperature versus fan speed. A first look.
June 14, 2024
Meeting Materials
- Antoine: Estimated single-turn precision as a function of instrumental errors: timing card upgrade.
June 7, 2024
Meeting Materials
- Will: CBPM3 status update
May 17, 2024
Meeting Materials
- Will: CBPM3 status update
April 26, 2024
Meeting Materials
- Antoine: Gain calibration repeatability study during MS
April 12, 2024
Meeting Materials
- Antoine: How the gain calibration map affect the gain reconstruction (Poisson v. CST studio)
March 22, 2024
Meeting Materials
- Antoine: Gain calibration results from Winter machine study week
- David: Gain calibration results from Winter machine study week
- Vardan: Libera fast acquisition
February 2, 2024
Meeting Materials
- Will: CBPM timing explainer
January 12, 2024
Meeting Materials
- Vardan: follow-up on CBPM stability using orbmon data
December 1, 2023
Meeting Materials
- Vardan: follow-up on CBPM stability using orbmon data
November 17, 2023
Meeting Materials
- Vardan: CBPM stability using orbmon data
October 27, 2023
Meeting Materials
- Antoine: Offline analysis of gain calibration data from October 2, 2023
October 20, 2023,
Meeting Materials
- Antoine: AFE beam characterization with 4 AFEs configured with final design
October 6, 2023
Meeting Materials
- Antoine: AFE beam characterization w/ fixed gain amplifier replaced by Bob's diode adapter board for four differents R143 values
June 23, 2023
Meeting Materials
- Antoine: AFE beam characterization with new inductor, different R134 values and Shottky diode
June 16, 2023
Meeting Materials
- Len: AFE noise investigation on the bench removing fixed gain amplifier
- Len: AFE noise investigation on the bench replacing fixed gain amplifier
- Will: comparing measured radiation before/after shielding
June 2, 2023
Meeting Materials
- Antoine: AFE beam characterization tweaking R134 resistor value and trying a two-pi filter
- Len: AFE noise investigation on the bench replacing fixed gain amplifier (but got heat damaged)
May 19, 2023
Meeting Materials
- Will: module failure history for CBPM2 maintenance
- Antoine: AFE beam characterization after removing 33 ohm R134 resistor
- Len: AFE noise on the bench before after removing R134 resistor
May 12, 2023
Meeting Materials
- Antoine: AFE beam characterization after removing 10 pF capacitors
- Len: AFE noise investigation on the bench with focus on power regulator
May 5, 2023
Meeting Materials
April 28, 2023
Meeting Materials
- Antoine: AFE beam characterization (unity gain, more amplification, "deployed" network filter)
- Len: AFE noise investigation on the bench
April 26, 2023
Meeting Materials
- Antoine: in situ instrumental uncertainty measurement, Poisson vs Binomial uncertainty in input distribution
April 21, 2023
Meeting Materials
- Antoine: Applying cable filtering to simulated button waveform
- Will: Second round of network analysis on AFE
- Will: Thermal load test on CBPM3 I/O board
April 14, 2023
Meeting Materials
- Will: First round of network analysis on AFE
March 24, 2023
Meeting Materials
- Antoine: Pedestal and current scan for undamaged AFEs with unity gain and more signal amplification (schematic network filter)
- Len, Bob: Two AFE boards modification for more signal amplification
- Len, Bob: Bench fixed gain RMS noise before/after disconnecting amplifier
March 17, 2023
Meeting Materials
- Antoine: Pedestal and current scan for undamaged AFEs with unity gain
March 10, 2023
Meeting Materials
- Will and Len: Bench DC measurement of 12W3 board as board of unity gain test
- Will and Len: Bench AC measurement of 12W3 board as board of unity gain test
March 2, 2023
Meeting Materials
- Antoine: 12W triplet gain study overview at MS meeting
February 24, 2023
Meeting Materials
- Antoine: 12W triplet gain study round #2
February 17, 2023
Meeting Materials
- Antoine: 12W triplet gain study to improve SNR
January 18, 2023
Meeting Materials
- Antoine: CBPM raw button distribution fit to beam data (first attempt)
November 2, 2022
Meeting Materials
- Antoine: CBPM raw button distribution fit, comparing PDF and non-PDF approach and looking at real data-like simulation
October 19, 2022
Meeting Materials
- Antoine: CBPM raw button distribution fit, solving the issue for non-zero peak-offset values
October 5, 2022
Meeting Materials
- Antoine: CBPM raw button distribution fit, issue for non-zero peak-offset values
September 14, 2022
Meeting Materials
- Antoine: CBPM3 database, data/metadata scheme
September 7, 2022
Meeting Materials
- Antoine: CBPM raw button distribution fit
August 25, 2022
Meeting Materials
- Antoine: CBPM gain: beam-driven gain calibration method presentation at machine study meeting
July 27, 2022
Meeting Materials
- Antoine: CBPM gain: beam-driven gain calibration method follow-up
July 14, 2022
Meeting Materials
- Antoine: CBPM noise: trying to understand high noise around 18E: swapping power supply, swapping modules
July 13, 2022
Meeting Materials
- Antoine: CBPM gain: beam-driven gain calibration (fit for positions and gains)
June 30, 2022
Meeting Materials
- Antoine: CBPM signal-to-noise ratio and beam position precision
June 8, 2022
Meeting Materials
- Antoine: CBPM data quality: cross sum difference
Nov 10, 2021
Meeting Materials
- Antoine: CBPM button response: MWS simulations, button width comparison
July 16, 2021
Meeting Materials
- Antoine: CBPM button response, MWS simulations, comparison with Poisson
- Antoine: CBPM3 variable gain pedestal and resulting position error
May 21, 2021
Meeting Materials
- Antoine: CBPM3 non-linear beam reconstruction, comparison between CESRV non-lin and linear approximation
May 7, 2021
Meeting Materials
- Antoine: CBPM button reponse; CST microwave studio simulation
- Antoine: CBPM3 non-linear beam reconstruction; machine learning for in-situ fitting of turn-by-turn errors
April 23, 2021
Meeting Materials
- Antoine: CBPM3 non-linear beam reconstruction; CESRV performance
- Antoine: CBPM3 non-linear beam reconstruction; on the turn-by-turn resolution in the South Arc
April 9, 2021
Meeting Materials
- Antoine: CBPM3 non-linear beam reconstruction; Python/CESRV nonlin binding and CESRV nonlin 3-button feature
March 26, 2021
Meeting Materials
- Antoine: CBPM3 non-linear beam reconstruction; final CESRV and Python comparison
March 12, 2021
Meeting Materials
- Antoine: CBPM3 non-linear beam reconstruction
Feb 12, 2021
Meeting Materials
- Antoine: CBPM3 non-linear beam reconstruction
Jan 29, 2021
Meeting Materials
- Antoine: CBPM3 non-linear beam reconstruction
Jan 15, 2021
Meeting Materials
- Antoine: CBPM3 non-linear beam reconstruction
Nov 20, 2020
Meeting Materials
- Antoine: CBPM3 mock end-to-end system development: light-weight proof of concept -> full-scale proof of work
Nov 6, 2020
Meeting Materials
- Antoine: CBPM3 mock end-to-end system development: database, display multi-user
May 22, 2020
Meeting Materials
- Antoine: CBPM3 mock end-to-end system development: database
May 15, 2020
Meeting Materials
- Antoine: CBPM3 mock end-to-end system development: database
May 8, 2020
Meeting Materials
- Antoine: CBPM3 mock end-to-end system development: database
May 1, 2020
Meeting Materials
- Antoine: CBPM3 mock end-to-end system development: database
April 24, 2020
Meeting Materials
- Antoine: CBPM3 mock end-to-end system development: database
April 17, 2020
Meeting Materials
- Antoine: CBPM3 mock end-to-end system development
April 10, 2020
Meeting Materials
- Antoine: CBPM3 EPICS 7 + Python, CBPM3 data base development
April 3, 2020
Meeting Materials
- Antoine: CBPM3 EPICS 7 + Python, CBPM3 data base development (new IT dabatase service on pg1)
March 27, 2020
Meeting Materials
- Antoine: CBPM3 data base 10 Hz development
March 6, 2020
Meeting Materials
February 12, 2020
Meeting Materials
- Antoine, Nate: data analysis for CBPM continuous monitoring (CCM)
January 15, 2020
Meeting Materials
- Antoine, Nate: increasing beam current to improve resolution, Python3 + MPM_NET
December 18, 2019
Meeting Materials
- Antoine, Nate: Python3 + CBI_NET to read data from one CBPM module and test data throughput
December 12, 2019
Meeting Materials
- Antoine, Nate: Python3 + CBI_NET to communicate with the CBPM module
December 4, 2019
Meeting Materials
November 20, 2019
Meeting Materials
- Kevin: Machine study analysis and 1um resolution
- Antoine: averaging, correlation and resolution (machine study data and toy MC)
November 13, 2019
Meeting Materials
- Kevin: CST BPM example + signal to noise results
- Antoine: Signal-to-noise ratio and Timing offset machine study results, summary of current/future designs and the 1 micron goal
November 6, 2019
Meeting Materials
- Antoine: spreadsheet with simulations summary and the question 'accuracy' versus 'precision'
- Kevin: jitter and resolution
October 30, 2019
Meeting Materials
- Antoine: digitizer noise + machine study data analysis (resolution and pulse shape) + toy MC simulations (updates and averaging)
- Kevin: BMAD lattice + jitter/resolution
October 23, 2019
Meeting Materials
October 16, 2019
Meeting Materials
October 9, 2019
Meeting Materials
October 2, 2019
Meeting Materials
| I | Attachment | Action | Size | Date | Who | Comment |
|---|---|---|---|---|---|---|
 pdf |
BPM kjk226 3_6_2020.pdf | manage | 6 MB | 06 Mar 2020 - 08:21 | UnknownUser | |
| pdf |
Beam_Stability_Requirements_CHESS.pdf | manage | 29 K | 20 Nov 2019 - 12:56 | UnknownUser | |
| pdf |
CBPM_Antoine_20230426.pdf | manage | 300 K | 26 Apr 2023 - 09:17 | AntoineChapelain | |
| pdf |
CBPM_toy_MC.pdf | manage | 395 K | 11 May 2021 - 09:19 | AntoineChapelain | |
| pdf |
NextGenBPM_Requirements_190626.pdf | manage | 559 K | 20 Nov 2019 - 12:56 | UnknownUser | |
| pdf |
Scope_Pictures_From_Bench_Testing_2023-0309.pdf | manage | 1 MB | 17 Mar 2023 - 09:37 | AntoineChapelain |
Topic revision: 25 Nov 2024, AntoineChapelain
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