1. 26-Sep-11 1 New xTCA Developments at SLAC CERN xTCA for Physics Interest Group Sept 26, 2011 Ray Larsen SLAC National Accelerator Laboratory New xTCA Developments at SLAC - R. Larsen

2. 26-Sep-11 2 Lexicon xTCA – Includes large board ATCA system favored by Telecom and small board AMC MicroTCA shelf with extensions for Physics AMC – Advanced Mezzanine Card in MicroTCA or ATCA Carrier Board RTM, μRTM – Rear Transition Module for ATCA or MicroTCA IPMI – Intelligent Platform Management Interface, core feature of xTCA managed systems SM – Shelf Manager card, 2 used in redundant shelf, non-payload slot LCLS – Linac Coherent Light Source newest generation light sources at SLAC, LCLSI operating, LCLSII approved for construction start 2013 BPM – Accelerator Strip-line or Cavity Beam Position Monitor, typically 4 channels with online calibration between beam pulses PICMG3.8 – New Physics standard for interface from ATCA to RTM MTCA.4 – Complete new 2-wide AMC standard with RTM for MicroTCA AIP – Accelerator Improvement Program New xTCA Developments at SLAC - R. Larsen

3. 26-Sep-11 3 I. Standards Progress Hardware, Software Technical Committees formed under PICMG 2 new HW standards approved –ATCA PICMG3.8 Standard IO interface to Rear Transition Module (RTM), IPMI extension & power connector –MTCA MTCA.4 Crate, 2-wide AMC & RTM, IO interface, IPMI extension and power pins designated New xTCA Developments at SLAC - R. Larsen

4. 26-Sep-11 4 Standard Extensions for Physics New xTCA Developments at SLAC - R. Larsen

5. 26-Sep-11 55 New xTCA Developments at SLAC - R. Larsen PICMG3.8 RTM Interface Standard Rear View 120 - IO Channels (3x40) IPMI, Power Connector (blue) 2 Mechanical Keys Courtesy M. Huffer, SLAC

6. 26-Sep-11 6 Emerging New Electronics Standards - R. Larsen MTCA.4 Prototype Shelves & Modules

7. 26-Sep-11 7 MTCA.4 - 12 Slot Shelf Dual Star New xTCA Developments at SLAC - R. Larsen 12 Payload AMC-RTMs Dual Star Redundant Front View Back- Plane Dual PU slot Dual MCH Slot

8. 26-Sep-11 8 II. SLAC xTCA Initiatives Major SLAC program is Linac Coherent Light Source (LCLS) Machines –LCLSI (now operating using last1/3 of main linac) –LCLSII (just approved, using middle 1/3 of linac) –Each machine supports 6 or more large experimental areas (much larger than storage ring light source experiments) –Linac machine instrumentation needs lots of upgrades via Accelerator Improvement Programs (AIPs) New xTCA Developments at SLAC - R. Larsen

9. 26-Sep-11 9 SLAC Initiatives 2 Experimental Areas –ATCA Massively Parallel Processors (MPP) generic module already deployed in several LCLSI experiments; 2 nd generation MPP using new PICMG 3.8 interface Linac RF & Controls –MTCA.4 demonstrations in development include Reduced RF phase jitter to ~30 femtoseconds Klystron FPGA-based interlocks Beam Position Monitors for LCLSII Injector New xTCA Developments at SLAC - R. Larsen

10. 26-Sep-11 10 xTCA Status LLRF for Main Linac S-Band 50MW station –Prototype developed, accelerator test planned for October 2011 (AIP program) –Struck digitizer AMC w/ SLAC designed RTM Klystron Interlocks –Prototype development near completion, test planned on L-Band test station Q1-2 FY12 –TEWS FPGA AMC w/ SLAC designed RTM BPM System –AIP program approved, commercial AMC digitizer w/ SLAC designed RTM, requirements in development New xTCA Developments at SLAC - R. Larsen

11. 26-Sep-11 11 LLRF MTCA & RF Chassis Testing New xTCA Developments at SLAC - R. Larsen MTCA.4 6-slot with AMC FPGA digitizer, timing, processor controlling intra-pulse feedback loop RF head- end chassis in bench test RTM Section AMC Section μRTM rear view

12. 26-Sep-11 12 RTM 10 Ch ADC-DAC, IPMI Interface Emerging New Electronics Standards - R. Larsen Rear Panel 25 MHz IF Signals In RF Ref In Trigger in Dual I&Q DAC Out Courtesy A. Young, SLAC

13. 26-Sep-11 13 RTM FPGA Interlocks Emerging New Electronics Standards - R. Larsen REAR PANEL INPUTS DC and pulsed signals 2 KSps and 60 MSps 12bit digitizers on board OUTPUTS Multiplexed serial to AMC via RTM interface Works for short pulse or long pulse machines Courtesy D.G. Brown, SLAC

14. 26-Sep-11 14 8- BPM System Block Diagram New xTCA Developments at SLAC - R. Larsen Courtesy S. Hoobler et al, private communication EVR – Event Receiver (trigger over serial network) ADC – AMC BPM digitizer & FPGA processor, Industry units AFE – Analog Front End RTM (buffers, filters, calibration circuits

15. 26-Sep-11 15 Conclusions PICMG3.8, MTCA.4 are major milestones Software work continues –Guidelines on architecture, protocols; need active feedback from user case studies SLAC Initiatives –ATCA Generic Massively Parallel Processors working in LCLSI experiments, Improved version in process –MTCA Opportunities underway to evaluate for three major subsystems –Industry providing infrastructure modules and key applications modules, SLAC designing first RTMs successfully Goal is readiness for major LCLS system upgrades –Both lab and Industry COTS solutions critical New xTCA Developments at SLAC - R. Larsen