LCLS Controls
RF System
Inputs to Functional Requirements and Design
- LCLS RF Jitter Tolerances
- LCLS RF Controls Signals (9may2005) This text is also contained in PAD Signals below
- PAD Signals: Standard Klystron and LCLS RF Controls (18aug2005)
- PAD-IPA Functionality
- LLRF ChannelArchiver input
- LLRF ChannelArchiver removals 4/15/8
- LLRF ChannelArchiver additions 4/15/8
- MCF5282 documentation
- NEW: faster transport via private eth: LAN9118 documentation
Functional Requirements and Design
- LCLS X-Band RF Requirements (PRD)
- LCLS S-Band RF Requirements (PRD)
RF Controls Requirements (ESD), Rev.0 (12aug2005)- controls stuff for ESD
- LCLS RF Control Board Specifications (17may2005)
- LCLS RF Control Specifications (29jul2005)
- RF Control drawing
- Sector 20 LLRF drawing
- LCLS Longitudinal Feedback and Stability Requirements LCLS LLRF Specification Overview, Nov.23, 2005
- PAC Software Spec
- PAC Register Description
- PAC Register Description V7 7mar2007
- PAC Register Description V8
- Phasing Cavity ESD (pdf)
- BCS Trigger Chassis V1.1 25aug2006
- LLRF Control Design Specification Revision 0 - signed off (pdf)
- LLRF Control Design Specification Revision 3 - unsigned
- 4 Channel ADC Board CPLD Notes
- LLRF Reference Distribution
Hardware Components
See also Embedded Controllers
- LT ADC 16bit 130MHz (prereleased datasheet)
- CPLD schematic
- 3.3 VOLT HIGH- DENSITY SUPERSYNC II(TM) NARROW BUS FIFO
- PAD prototype to test LTC2208
- Hardware Inventory DB input
Temperature Monitors
Here are some possibilities for monitoring temperature (from BaBar). With the correct resistance, this device meets required sensitivity and range:
- Low Cost, Precision IC Temperature Transducer AD592 Thermal time constant is ~2.4 sec.
- Two-Terminal, IC temperature transducer AD590 Thermal time constant is 0.1 sec.
4 Channel PAD
- ADC Board 4Ch Notes (.doc)
- E-Series RF 1:1 Flus Coupled Transformer
- RF Transfomer TC1-1T
- RF Transfomer TC4-1T
- RF Transfomer TC8-1
- Quick Start Guide for Demo Board from LT
- RF Transfomer TC2-1T.pdf
- LTC2208-4Chan Schematic PAGE1 Oct.06
- LTC2208-4Chan Schematic PAGE2 Oct.06
- LTC2208-4Chan Schematic PAGE3 Oct.06
- PAD User's Manual
- ADC Board 4Ch Notes
- tarball 4/25/2008
Interfaces
This doc includes time estimates of the phase/amplitude control loop calculations
- ADC Board to Arcturus uC5282 Interface (07sep2005)
- LLRF Interface to Longitudinal Beam-based Fast Feedback Need to make a pdf of this
Presentations/Reviews/Workshops
- RF/Timing Design, DOE Review, August 11, 2004
- Akre_FAC_Oct04_RF_Timing, FAC Review, October, 2004
- Low Level RF Controls Design, LCLS Week, January 25-27, 2005
- Low Level RF, Lehman Review, May 10-12, 2005
- LLRF Plans for Development and Testing of Controls, LCLS Week, July 21, 2005
- Low Level RF Design, Presentation for Controls Group, Sept. 13, 2005
- LLRF Preliminary Design review, SLAC, September 26, 2005
- LCLS LLRF Control System - Kotturi, LLRF Workshop, CERN, October 10-13, 2005
- LCLS LLRF System - Hong, LLRF Workshop, CERN, October 10-13, 2005
- LLRF and Beam-based Longitudinal Feedback Readiness - Kotturi/Akre, LCLS Week, SLAC, October 24-26, 2005
- LCLS Week LLRF and feedback - Kotturi/Allison, LCLS Week, SLAC, October 24-26, 2005
- LLRF, LCLS System Concept Review/Preliminary Design Review, SLAC, November 16-17, 2005 Comments
- LLRF Beam Phase Cavity Preliminary Design review, SLAC, November 30, 2005
- Low Level RF System - Akre/Kotturi, Lehman Review, SLAC, February 7-9, 2006
- LLRF , (this talk included in Akre/Kotturi talk above) Lehman Review, SLAC, February 7-9, 2006
- LCLS Low Level RF System, FAC Meeting, SLAC, April 20-21, 2006
- LLRF Final Design Review, SLAC, September 19, 2006
- LCLS Commissioning Workshop LLRF, SLAC, October 11, 2006
- LLRF Design and Status, Akre, Lehman Review Accelerator Systems Breakout, October 24-26, 2006
- Low Level RF Status, Kotturi, Lehman Review Controls Breakout, October 24-26, 2006
- LCLS RF Gun Feedback Control, local pdfAkre et al, Published paper, PAC, June, 2007
- LLRF, Kotturi/Akre, Lehman Review Controls Breakout, SLAC, July 10-12, 2007
- 130-MHz, 16-Bit Four-Channel Digitizer, postscript, poster (34"x44" gif), Kotturi/Akre, ICALEPCS, Knoxville, Oct 15-19, 2007
- Low Level RF Status: part1, Low Level RF Status part2, pdf (parts 1 and 2), Akre/Kotturi, LLRF Workshop, Knoxville, Oct 22-26, 2007
- Low Level RF Status, Akre/Kotturi, FAC Accelerator Systems Breakout, SLAC, Oct 29-31, 2007
- LCLS X-Band Sept 2008, Akre, MCC presentation, SLAC, Oct 1, 2008
- LCLS LLRF Distribution, Akre, MCC presentation, SLAC, Oct 1, 2008
- LCLS LLRF Distributed Control System, Kotturi, EPICS Collaboration meeting, Vancouver, Canada, May 1, 2009
Schedule
- LCLS LLRF Hardware Installations
- LCLS LLRF Software Task List 24oct2007
- LCLS LLRF Software Task List 03oct2008
- LCLS LLRF Software Task List 25nov2008
Operations
LLRF/feedback Meetings slaconly
Upgrades
LCLS Controls | LCLS SLC-Aware IOC | EPICS at SLAC | SLAC Computing | SLAC Networking | SLAC Home Contact: Dayle Kotturi
Last Modified: May 8, 2009