Wave Impedances

Measure your wave impedance in PCBs, cables, and connectors to ensure superior signal integrity, minimize losses, and optimize high-frequency performance.

Typical Setup for differential wave impedance measurements using the DTDR-65 time domain reflectometer. Typical Setup for differential wave impedance measurements using the DTDR-65 time domain reflectometer.
Wave impedance result for SMA cable, displayed with impedance mask in the SeunisPro software. Wave impedance result for SMA cable, displayed with impedance mask in the SeunisPro software.
PCB impedance test-coupon measurement setup using DTDR-65 unit and SDTP-E economy probe. PCB impedance test-coupon measurement setup using DTDR-65 unit and SDTP-E economy probe.
PCB impedance testing with SDTP-E TDR economy probe. PCB impedance testing with SDTP-E TDR economy probe.
SeunisPro automatically generates customizable PDF reports of PCB impedance measurements. SeunisPro automatically generates customizable PDF reports of PCB impedance measurements.
SMA to RJ45 Ethernet cable adapter for wave impedance testing. SMA to RJ45 Ethernet cable adapter for wave impedance testing.
Adjustable TDR precision probe SDTP-P for measuring PCB line impedances. Adjustable TDR precision probe SDTP-P for measuring PCB line impedances.
Wave impedance measurement with SeunisPro, showing transmission lines with blind and thru vias. Wave impedance measurement with SeunisPro, showing transmission lines with blind and thru vias.
Wave impedance line definition settings in SeunisPro software. Wave impedance line definition settings in SeunisPro software.
Example selection of impedance-controlled coaxial cables. Example selection of impedance-controlled coaxial cables.

What types of impedance can be measured?

  • Single-Ended Wave Impedance
  • Differential Wave Impedance
  • Common-Mode Wave Impedance

Which DUTs can be measured?

  • PCBs » Real physical PCBs & impedance test-coupons
  • Cables » all kinds of cables up to 1km
  • Connectors » all kinds of connectors
  • Entire Systems » e.g. with PCBs, interconnects, cables

Which TDR is best suited for your DUT?