Project
GBCR

GBCR

Introduction

The GigaBit Cable Receiver (GBCR) ASIC is designed as an equalizer chip to compensate the ITk pixel data transmission loss in the high frequency range after the twinax Type-1 data E-links at 1.28Gb/s.

There are ~4500 GBCR chips in the ITk Pixel system.

ATLAS ITK readout system
ATLAS ITK readout system

The TWiki page for GBCR: GBCR

The software link: rce/gbcr_qc

The GBCR Testing Github: GBCR-Testing

Performed QC Tests

  1. EQ Amplitude Factors Test
  2. Disable RX Channel Function Test
  3. Retiming Mode Function Test
  4. Retiming Mode & Voted Mode Correlation Test
  5. RX 5 Channel Retiming Mode Test

Milestones

Click to view the breakdown
  1. Developed the GBCR software gitlab repo.
  2. QC’ed several GBCR3 chips for SEU test.
  3. QC test procedures