The Keysight N8972A Noise Figure Analyzer is a dedicated instrument for RF component characterization across 10 MHz to 1.5 GHz. Engineered for R&D and production-test environments, it measures noise figure and gain simultaneously on amplifiers and frequency-converting devices with exceptional repeatability. The instrument combines traditional noise figure meter capabilities with an intuitive interface, enabling engineers to configure complex measurements quickly and reliably.
– Technical Specifications
Measurement Range
• Noise Figure: 0 to 35 dB
• Gain: −20 to +40 dB
• Default Measurement Bandwidth: 4 MHz
• Frequency Range: 10 MHz to 1.5 GHz
Connectors & Interfaces
• RF Input: N-type male connector
• Control: Two GPIB ports (one dedicated to LO control for frequency-translating devices)
• Serial: RS232 port
• Display: VGA connector for external monitor
Display & Control
• 17 cm color LCD integrated display
• Three measurement formats: dual-channel or combined graph, tabular, and meter mode
• Graphical display with markers and limit lines
Environmental & Physical
• Operating Temperature: 0°C to +55°C
• Storage Temperature: −40°C to +70°C
• Operating Humidity: Up to 95% RH at 40°C (non-condensing)
• Operating Altitude: Up to 4,600 m
• Dimensions: 222 mm H × 375 mm W × 410 mm D (without handle)
• Weight: 15.3 kg (typical, without options)
• Power Consumption: <300 W (operating), <5 W (standby)
• Power Input: 90–132 V rms or 195–250 V rms, 47–440 Hz
– Key Features
• Simultaneous noise figure and gain measurement
• Dedicated LO control via secondary GPIB for frequency-converting device characterization
• Selectable measurement bandwidth operation
• Intuitive graphical user interface reduces setup complexity
• Multiple display formats for gain and noise figure trending
– Typical Applications
Amplifier characterization, low-noise receiver testing, frequency converter evaluation, and production acceptance testing of RF front-end components.
– Compatibility & Integration
Compatible with SNS series noise sources and Agilent 346 (coaxial) and 347 (waveguide) series noise sources. EMC compliance: EN 50082-1:1992 and CISPR 11:1990/EN 55011:1991 (Group 1 Class A; typically meets Class B limits).



























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