Keysight Physical Layer Test System (PLTS) 2026

Keysight PLTS 2026 is a 64-bit signal integrity analysis software for high‑speed interconnects like cables, backplanes, and PCBs used in AI infrastructure and 1.6T data centers . The current build is version PLTS2026U1 (released June 15, 2026) .

Key New Features in 2026

Advanced Modulation & Analysis

  • PAM-N support: PAM3, PAM4, PAM6, and PAM8 for emerging 1.6T technologies .

  • TDR impedance flattening: Per IEEE 802.3 TC9 specification .

Automatic Fixture Removal (AFR)

  • Batch automation: With de‑skew, “Ideal Symmetric Data” option, and multiport THRU support .

  • Memory trace and TDR DC extrapolation enhancements .

Performance & Usability

  • 64‑bit architecture: Supports large 16‑ and 32‑port S‑parameter files .

  • Batch file converter: With time‑domain settings support .

  • Multi‑file plotting: Limit increased from 36 to 100 files per plot .

  • Equation parameters: Input support for MATLAB and Python scripting .