The Keysight P9371B is a 2-port vector network analyzer delivering S-parameter measurements across 9 kHz to 6.5 GHz in a portable, faceless form factor. Controlled via external PC through Thunderbolt 3, this instrument combines benchtop VNA capability with reduced physical footprint and sub-2 kg weight. It operates with 1 Hz frequency resolution and 8 dBm typical output power, employing measurement science and GUI architecture shared with higher-end Keysight VNA platforms to ensure consistency across instrument families.
– Technical Specifications
• Frequency Range: 9 kHz to 6.5 GHz
• Frequency Resolution: 1 Hz
• Output Power: 8 dBm (typical)
• Ports: 2
• Test Port Connectors: 3.5 mm (female)
• Dimensions: 48 mm × 176 mm × 333 mm
• Weight: Less than 2 kg
• Primary Interface: Thunderbolt 3 to external PC
• Secondary Interfaces: USB, MCX
– Key Features
• Measures all four S-parameters (S11, S12, S21, S22) for two-port devices
• Time domain analysis via software applications—TDR and TDT modes supported
• Automatic Fixture Removal (AFR) application for passive component characterization
• Electronic calibration (ECal) module support for rapid calibration cycles
• Mechanical calibration module support for enhanced measurement accuracy
• Scalar mixer/converter calibrated measurements via software applications
• Cascadable architecture: two P93xxB units can be configured for up to 8-port operation with additional licensing and cabling
• No internal data storage—design suitable for secure or restricted-access environments
• VNA activation software included; multiport calibration assistant software available
– Typical Applications
S-parameter characterization of RF and microwave components and subsystems across consumer, industrial, and aerospace frequency ranges. Time-domain reflectometry for transmission line analysis and impedance discontinuity localization. Passive filter, amplifier, and mixer evaluation.
– Compatibility & Integration
Requires Windows 10 (64-bit only), Version 1909 or later. PC-controlled operation via Thunderbolt 3 provides measurement data processing and instrument control from standard workstation hardware.
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