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 .

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