SA – module changer
SA TDR unit
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  • TDR measurements
  • 2 – 24 Port Ultra-compact TDR units
  • For coupons and small high speed bare/assembled PCBs
  • Custom high speed probe inserts
  • Dedicated rigs available for high volume applications

Additional information

Fault Coverage
Bent Under Compliant Pins (under connector)

Missing Compliant Pins (under connector)

Concertina Compliant Pins (under connector)

Incorrect Back Drilling

Skew Faults

Impedance Faults



Test Functions
TDR High Speed SI Test

Board Type
Assembled Boards
Coupons/Small Bare Boards
Download Machine Comparison Chart
1- Single Sided Only
2 - Using TDR/VNA Measurement (depends on board architecture)


  • Available with 2 – 24 port high specification ultra-compact TDR unit:
    • 12ps rise time
    • 35 GHz bandwidth
    • 1ps time-base
  • Up to 24 high speed connections to the PCB in one insertion
  • Very fast throughput
  • Very accurate impedance measurements
  • TDR units are less than 100mm from the PCB/coupon
  • Semi-automatic tool changer unit
  • Custom bare board modules:
    • Minimum pitch 0.8mm for differential measurements
    • No minimum pitch for single-ended TDR measurements
  • Custom assembled test modules – all high speed connectors catered for
  • Shuttle plate for easy loading of PCBs and coupons
  • Dedicated test rigs available for high volume applications
  • Configurable pass/fail windows

Documents & Downloads