ADC1x5000 1 - david-macmahon/wiki_convert_test GitHub Wiki

Also known as

5Gsps ADC

Specifications

• ADC
  • 1x 1 8-bit Single 5.0GSPS ADC

• Inputs
  • Clock: 2.5GHz (Max) 50Ohm 0dBm
  • Signal: Single-ended
  • Sync: LVTTL, 5V tolerant

• Outputs
  • 1x Tyco Z-DOK+ 40 differential pair connector
    • For non-demux version : 4x 8-bit offset binary data @ DDR
    • '''For demux version : 8x 4-bit offset binary data @ DDR '''
    • 1x digital clock to CASPER standard Z-DOK clock pins

• Control/Configuration
  • ADC: SPI 3-wire Serial
  • External SPI interface on board for future development.

• Printed Circuit Board
  • Stack Up
    • 4-layers
  • Thickness
    • ?? mm
  • Material

    • Rogers RO4003

    • FR-4
  • Insertion Loss
    • ??
  • Z Variation (50Ω nom.)
    • ??

• Miscellaneous

  • Passive heatsink

Versions

• V2.0 - Production Version
  • Block Diagram
  • Schematics Non-Demux(PDF)
  • Schematic_adc_a2_5g_dmux12_201004191600.pdf
  • PCB Manufacturing Data (ZIP)
  • Altium Design Files (ZIP)
  • Bill Of Materials (PDF)

Measured Performance (Preliminary)

• Input RF Bandwidth
  • 1MHz - 1800MHz for non-demux version on Virtex 5 speed grade 1 chip with clock domain crossing scheme applied.
  • 1MHz - 2000MHz for demux version on Virtex 5 speed grade 1 chip.

• Sampling Frequency
  • 1.8GHz for non-demux version.
  • 2.0GHz for demux version.

• VSWR
  • ??
    • 0dB attenuation in signal path

• Channel-to-Channel Crosstalk
  • ??
    • full-scale input

• SFDR
  • ??

• Passband Flatness

• Passband Ripple

• ENOB

• SNR