The Keysight U9361M RCal Receiver Calibrator is a USB-powered calibration instrument that corrects systematic errors in high-frequency signal analysis by moving the measurement reference plane to the device under test output. Operating from 10 MHz to 110 GHz, it enables complex magnitude and phase corrections, path loss compensation, and absolute power accuracy transfer to signal analyzers. The calibrator employs tunable BPSK comb modulation to improve receive test system accuracy by an order of magnitude.
– Technical Specifications
Frequency and Performance
• Frequency range: 10 MHz to 110 GHz
• Modulation: Tunable BPSK comb
• IF flatness corrections: Up to 5 GHz IF bandwidths
• Frequency reference: Internal 100 MHz clock or external 10 MHz reference input
• Calibration accuracy: ± 10 ppm nominal (initial)
• Aging rate: < ± 1 ppm/year nominal
Power and Connectivity
• Supply: +5V per USB 3.0 specifications
• Current draw: < 900 mA per USB 3.0 specifications
• RF output connector: 1mm
• Control interface: USB
Environmental
• Operating temperature: 0 °C to 55 °C
• Storage temperature: –40 °C to 70 °C
• Maximum humidity: 95% RH up to 40 °C, decreasing linearly to 45% RH at 55 °C (non-condensing)
• Operating altitude: Up to 4600 meters (15,000 feet)
• Environmental compliance: IEC 60068-2 and similar to MIL-PRF-28800F Class 3
– Key Features
• Palm-size compact form factor for laboratory and field deployment
• Corrects frequency response and system path losses
• Transfers absolute power accuracy (dBm) to signal analyzers
• Ultra-stable, repeatable performance with precision factory calibration
• Supports external 10 MHz reference input for enhanced accuracy
– Typical Applications
• Receiver calibration in millimeter-wave test systems
• High-frequency transmitter characterization
• Cable and fixture loss correction at measurement reference planes
• Multiport network analyzer receiver validation
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