Mircea Bogdan, NSS2007 - PowerPoint PPT Presentation
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Mircea Bogdan, NSS2007
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Title: CDF Drift Chamber Signal Analyzer Board Author: bogdan Last modified by: cratelaptop Created Date: 5/30/2001 6:24:59 PM Document presentation format – PowerPoint PPT presentation
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Title: Mircea Bogdan, NSS2007
1
Custom 14-Bit, 125MHz ADC/Data Processing Module
for the KL Experiment at J-Parc
- M. Bogdan, J. Ma, H. Sanders, Y. Wah
- The University of Chicago
2
Custom 14-Bit, 125MHz ADC DAQ - Block Diagram
DAQ designed for an International High Energy
Physics Experiment (to study CP Violation) at
the new Japanese Accelerator Complex.
- CsI DAQ up to 2,816 Ch 14Bit/125 MHz
- Veto DAQ up to 512 Ch 14Bit/125 MHz
- BHPV DAQ up to 100 Ch 12Bit/500 MHz.
Custom Boards - 14-Bit ADC-125MHz, - 12-Bit
FADC-500MHz, - Crate Traffic Control Module, -
System Trigger Module.
3
Custom 14-Bit, 125MHz ADC CsI Crate - Block
Diagram
- 6U VME Crates
- 16 ADC Boards/Crate
- Local Processing
- Continuous Readout
- Simultaneous Sampling.
4
Custom 14-Bit, 125MHz ADC Module Block Diagram
- Each ADC channel - one AD9254 chip 14
bits/125MHz - 10-Pole Filter/Shaper Included on Board
- One STRATIX II FPGA EP2S60F1020 for 16 ADC
channels - Trigger rate 10kHz, 32 samples/trigger (256ns)
- Input Pipeline 25us depth (3,200 samples)
- Two VME readout buffers - max 128 triggers, (10
ms).
5
Custom 14-Bit, 125MHz ADC Module Schematic Top
Level
- LVDS Inputs
- 8-Bit Parallel
- LVDS Outputs
- 16-Bit Parallel
- 12-Bit Serialized
- Readout
- VME32/64 with CBLT
- GLINK/SLINK if needed.
- Actual Module Schematic DA/Mentor Graphics
6
Custom 14-Bit, 125MHz ADC Analog Channel
Analog Channel Schematic
Filter/Shaper Simulation
7
Custom 14-Bit, 125MHz ADC Hardware
- 16 Channel, 14 bits, 125 MSPS ADC
- 10 pole input filter configurable
- Powerful local processing with FPGA
- Low cost, 6U VME64 with CBLT.
- Built and tested 2 prototypes
- Full-Scale Input 250mV/50Ohm
- Input noise 35 uV RMS
8
14-Bit, 125MHz ADC Board
Preliminary Testing Results
Simulation - Shaper In and Out
VME Acquisitions with new ADC Board
Scope Plots - Shaper In and Out
