X 123SDD User Manual Rev A6

• 1 INTRODUCTION
  • 1.1 Description
• 2 SPECIFICATIONS
  • Customization
• CAUTIONS AND WARNINGS
• 4 GETTING STARTED
  • 4.1 Equipment List
  • 4.2 Making connections
  • 4.3 Install Software
  • 4.4 Configuring the unit
  • 4.5 Making a measurement
  • 4.6 Notes
    • 4.6.1 Regions of Interest (ROI)
    • 4.6.2 Calibrating the Horizontal Axis
  • 4.7 Troubleshooting
• 5 ELECTRICAL INTERFACES
  • 5.1 Electrical specifications
    • 5.1.1 Absolute Maximum Ratings
    • 5.1.2 DC Characteristic
  • 5.2 Communication
  • 5.3 Auxiliary Input and Outputs
    • AUX_OUT_1 and _2
      • AUX_IN_1 and _2
      • Single Channel Analyzers (SCAs)
  • 5.4 Timing of Auxiliary Inputs and Outputs
  • 1.1
  • 5.5 Power Interface
    • Turn-On Transients
• 6 MECHANICAL INTERFACE
  • 6.1 Dimensions
  • 6.2 Mounting Hardware
  • 6.3 Connectors
    • Power
      • Auxiliary
      • Ethernet
      • USB
      • RS-232
• 7 SOFTWARE INTERFACE
  • 7.1 Interface Software
    • ADMCA Software
      • DPP API
      • VB Demonstration Software
  • 7.2 Embedded Software
  • Boot Flags
    • Boot Configuration State
      • RS232 Baud Rate
      • FPGA Clock
      • HV Polarity
      • ADC Invert
      • Fast Channel Shaping
      • Spectrum Offset
      • Peak Detect
      • MCA Channel
  • 7.4 Upload Manager
• 8 UNDERSTANDING THE X-123SDD
  • 8.1 Understanding the Complete System
    • Theory of Operation
  • 8.2 Understanding the Detector and Preamplifier
    • 8.2.1 Design and Operation
      • Detector Operation
      • Detector Reset
      • Block Diagram
    • 8.2.2 Performance
      • Energy Resolution
      • High Count Rates
      • Sensitivity
      • X-ray Spectra
  • 8.3 Understanding the Digital Processor
    • 8.3.1 Major Function Blocks
    • 8.3.2 Analog Prefilter
      • System Gain
      • Reset and Continuous Preamplifiers
    • 8.3.3 Pulse Shaping
      • Slow Channel
      • Fast Channel
      • Baseline Restoration
    • 8.3.4 Pulse Selection
      • Thresholds
      • Pile-Up Rejection
      • Reset Lockout
      • Risetime Discrimination
      • Gate
    • 8.3.5 MCA, MCS, Counters, and SCAs
      • Multichannel Analyzer
      • Acquisition Time
      • Dead Time
      • Counters
      • Single Channel Analyzers
      • Multichannel Scaler
    • 8.3.6 Electrical & Software Interfaces
  • 8.4 Understanding the Power Supplies
• 9 APPLICATION NOTES
  • 9.1 Do’s and Don’ts