Page History

• Previous preamp and digitizer design:
  • PC_264_800_03_C00
  • PC_264_800_02_C00
• Gunther's presentation
• Larry's Rough Draft
• Option 1: 1-GSPS + 125-MSPS
  • Cost per PMT channel: $1,400
  • Cost per ADC channel: $700
  • Power estimate per board: 35W
• Option 2: 500-MSPS + 125-MSPS
  • Cost per PMT channel: $1,175
  • Cost per ADC channel: $590
  • Power estimate per board: 31W
• Option 3: 1-GSPS + 250-MSPS
  
  • Cost per PMT channel: $1,481
  • Cost per ADC channel: $741
  • Power estimate per board: 41W
• Option 4: 500-MSPS + 250-MSPS
  
  • Cost per PMT channel: $1,255
  • Cost per ADC channel: $628
  • Power estimate per board: 37W

Power supply design (option 3):

• Diagram
• Power estimator
• Preliminary schematics
• External power supply for one box (4 boards)
• Rack mount kit for the external power supply

Recommended ADC drivers:

• LMH3401 7-GHz, Ultra-Wideband, Fully-Differential, Fixed-Gain Amplifier (min 12dB/4x)
• LMH6401 DC to 4.5 GHz, Fully-Differential, Digital Variable-Gain Amplifier (-6bB/0.5x to 26dB/20x)

Driver reference designs:

• TIDUB15: 16-Bit 1-Gsps Digitizer Reference Design With AC and DC Coupled Variable Gain Amplifier
• TIDUAK3: Cascaded LMH5401 and LMH6401 Reference Design

TINA-TI simulations:

• LMH6401 AC coupled
  • Schematics for TINA-TI
• LMH6401 DC coupled
  • Schematics for TINA-TI
• Cascaded LMH5401 and LMH6401 DC coupled
  • Schematics for TINA-TI
  • Schematics in PDF
  • AC transfer in low gain (-6db/0.5x)
  • AC transfer in high gain (26db/20x)

Fast ADC for high gain (2x) channels:

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