The Keysight P9373A is a compact, PC-controlled USB Vector Network Analyzer delivering RF and microwave measurements from 300 kHz to 14 GHz. Part of Keysight’s Streamline Series, this two-port VNA combines trusted measurement science with a portable, cost-effective design suitable for manufacturing test, component evaluation, and field deployment across wireless, aerospace, and defense applications.
– Technical Specifications
• Frequency Range: 300 kHz to 14 GHz
• Ports: 2 (expandable to 4 with compatible modules)
• Port Connectors: 3.5 mm, SMA, SMB (female variants available)
• Port Impedance: 50 Ohms
• Dynamic Range: >115 dB at 6.5 GHz (10 Hz IFBW)
• Trace Noise: <0.003 dBrms (1 kHz IFBW)
• Temperature Stability: 0.005 dB/°C up to 4.5 GHz
• Directivity: Below 52 dB
• Output Power: 0 to 10 dBm
• Power Sweep Range: −40 to 7 dBm
• Noise Floor: −108 to −98 dBm
• Harmonics: −14 to −6 dBc
• IF Bandwidth: 10 Hz
• Frequency Resolution: 1 to 6 Hz
• Measurement Speed: 24 msec (201 points, full 2-port calibration, 100 kHz IFBW)
• Dimensions: 176 × 48 × 333 mm
• Weight: 1.9 kg
– Key Features
• USB 3.0 control interface; PC-based operation via Keysight software
• Measurement science and GUI consistent with Keysight's higher-end VNAs
• Supports all Keysight Electronic Calibration (ECal) modules and mechanical calibration
• Compact benchtop form factor enables portability between test locations
– Typical Applications
• Manual test of passive components: antennas, filters, cables, connectors, adapters
• Wireless component manufacturing test
• Aerospace/defense manufacturing test
• Design validation in classified environments
• Light-manufacturing applications
– Compatibility & Integration
Requires Keysight IO Libraries Suite (2021 or later) and P937xA firmware on the host PC. Port expansion to four channels available; P937xA and P50xxA Series modules cannot be combined in multiport configurations.
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