The Keysight N5531S Measuring Receiver System is a specialized metrology platform for precise characterization and calibration of signal generators and step attenuators to 50 GHz. It integrates a PSA Series spectrum analyzer with Option 233, a P-Series or EPM Series power meter, and a dedicated sensor module into a unified instrument requiring no external PC. The system delivers superior accuracy and traceability across one-button measurements in a compact form factor.
– Technical Specifications
Frequency Coverage: Up to 50 GHz. Sensor module options support 100 kHz to 4.2 GHz, 10 MHz to 18 GHz, 30 MHz to 26.5 GHz, and 30 MHz to 50 GHz configurations.
RF Power Measurement Range: -10 dBm to +30 dBm (100 μW to 1 W) with N5532B/A sensor modules and P-Series power meters.
Tuned RF Level (TRFL) Sensitivity: Down to -140 dBm.
Core Components: PSA Series spectrum analyzer (e.g., E444xA models) with Measuring Receiver personality. P-Series power meters (N1911A, N1912A) or EPM Series (N1913A, N1914A). N5532B or N5532A sensor modules with integrated power splitter for independent RF and power measurement paths.
– Key Features
• Absolute TRFL measurement using power meter as high-precision reference, with PSA tuning to signal frequency for minimum power level accuracy
• Relative TRFL measurement without power meter requirement
• Automatic frequency counter with carrier signal detection and level-based auto-adjustment; manual tuning supported
• Integrated power splitter in N5532B eliminates mechanical switches, improving reliability and repeatability
• One-button measurement operation with no external processing required
– Sensor Module Options
• N5532B/A Option 504: 100 kHz to 4.2 GHz
• N5532B/A Option 518: 10 MHz to 18 GHz
• N5532B/A Option 526: 30 MHz to 26.5 GHz
• N5532B/A Option 550: 30 MHz to 50 GHz
– Compatibility & Integration
P-Series power meters require Option 019 for sensor module connection. EPM/EPM-P Series power meters require LAN/GPIB gateway (e.g., Keysight E5810A). RF power accuracy is frequency and power level dependent per PSA Series Specifications Guide.
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