The Agilent/Keysight N1957A is a Physical Layer Test System for characterizing single-ended and differential physical layer components across frequencies from 45 MHz to 50 GHz. Built around an E8364B PNA series vector network analyzer with Option 014, the N4421A 50 GHz test set, and N1930A physical layer test system software, it enables rapid S-parameter and transmission-line measurements on high-speed interconnects.
Technical Specifications
• Frequency range: 45 MHz to 50 GHz
• Primary instrument: E8364B PNA series VNA (Option 014)
• Test set: N4421A 50 GHz
• System software: N1930A physical layer test system
• Product status: Obsolete
– Key Features
• Dual-channel architecture supports single-ended and differential measurements
• Integrated calibration and de-embedding capabilities for accurate component characterization
• Full two-port S-parameter measurement capability to 50 GHz
• Physical layer software bundle simplifies test automation and data analysis
– Typical Applications
• High-speed backplane characterization
• Cable and connector validation
• IC package interconnect assessment
• Controlled impedance trace measurement on circuit boards
• Differential pair characterization
– Compatibility & Integration
The N1957A integrates proven Keysight measurement instruments into a turnkey platform. All system components are factory-configured to operate as an integrated unit, ensuring measurement coherence across the 45 MHz to 50 GHz range.
