Digitizer Status

• Partially equipped Barrel Module 0 (30 channels) in July �98

  • First system test of �in-drawer� digitizers

• Two 10-bit 40 MSPS ADCs per channel

  • High gain scale 0 - 16 GeV (16 MeV/count)
  • Low gain scale 0 - 1000 GeV (1 GeV/count)
  • Commercial components

• TTC input on optical fiber

  • 40 MHz clock, LVL1 accept, digitizer control data

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