The Keysight M9805A is a PXIe Vector Network Analyzer delivering high-performance RF characterization across 100 kHz to 26.5 GHz. This two-port module employs the same measurement science as Keysight’s PNA and ENA series, ensuring consistency across platforms. Purpose-built for multiport applications, the M9805A cascades within a single chassis to support up to 34 ports, or scales across multiple chassis for configurations up to 50 ports. All test ports operate synchronously with full N-port error correction, enabling simultaneous measurements on complex device networks.
Technical Specifications
• Frequency Range: 100 kHz to 26.5 GHz
• Native Port Configuration: 2 ports per module
• Multiport Scalability: Up to 34 ports (single chassis), up to 50 ports (multiple chassis)
• Temperature Stability: 0.005 dB/°C typical
• Harmonics: −25 dBc typical
• Corrected Error Terms (Mechanical Calibration—85058B kit):
– Directivity: ±0.019 dB (100 kHz–1 MHz), ±0.01 dB (2–10 GHz)
– Source/Load Match & Reflection Tracking: ±0.019 dB (100 kHz–1 MHz), ±0.033 dB (10–20 GHz)
– Transmission Tracking: ±0.302 dB (100 kHz–1 MHz), ±0.033 dB (2–10 GHz)
• Corrected Error Terms (Electronic Calibration—N4694D module):
– Directivity: ±0.08 dB (100 kHz–1 MHz), ±0.04 dB (2–20 GHz)
– Source/Load Match & Reflection Tracking: ±0.08–0.06 dB (100 kHz–1 MHz), ±0.05–0.06 dB (2–20 GHz)
– Transmission Tracking: ±0.148 dB (100 kHz–1 MHz), ±0.065 dB (2–20 GHz)
– Key Features
• PXI VNA dynamic range, measurement speed, trace noise, and temperature stability
• Fully synchronous multiport architecture with simultaneous measurement capability
• Fast multiport calibration via electronic calibration (ECal) modules
• N-port error correction for accurate passive and active device characterization
– Typical Applications
• Passive component characterization (filters, couplers, transformers)
• Amplifier and mixer measurements
• Frequency converter analysis
• Multiport device testing requiring synchronized measurements
– Compatibility & Integration
Leverages Keysight measurement science platform consistency with PNA, ENA, and Streamline Series VNAs. Supports industry-standard ECal modules for rapid field calibration.
