HP / Agilent 8970B Noise Figure Meter, 10 MHz to 1600 MHz

The HP/Agilent 8970B is a precision noise figure meter for RF and microwave component characterization across 10 MHz to 1600 MHz. It delivers accurate noise figure measurement, noise temperature calculation, and noise power ratio assessment for amplifiers, mixers, and frequency converters in both development and production environments.

– Technical Specifications

Frequency Range: 10 MHz to 1600 MHz

Measurement Parameters:
• Noise Figure (NF) in dB
• Noise Power Ratio (NPR) for specific configurations
• Noise Temperature (T) derived from Noise Figure

Input/Output Connectors:
• RF Input: Type N female, 50 ohm
• LO Input (mixer measurements): Type N female, 50 ohm
• IF Output (mixer measurements): Type N female, 50 ohm
• GPIB (IEEE-488) for remote control and data acquisition

Impedance: 50 ohm nominal input and output

Power Requirements:
• Voltage: 100–120 VAC or 200–240 VAC (switchable or auto-ranging)
• Frequency: 47–63 Hz

Display: Digital readout for noise figure and measurement parameters

– Key Features

• Wide dynamic range for comprehensive noise characterization across single-stage and cascaded multi-stage devices
• GPIB interface enables integration into automated test systems
• User-friendly interface optimized for R&D and production workflows
• Measurement bandwidth and accuracy specifications are load-dependent; consult instrument documentation for operating parameters

– Typical Applications

• Amplifier noise performance validation
• Mixer and frequency converter characterization
• Component noise figure trending in high-volume production
• Multi-stage cascade analysis

– Compatibility & Integration

The 8970B operates with external programmable RF signal generators (e.g., HP 8370B, HP 83710B) and noise sources (e.g., HP 346B, HP 346C) to enable full noise figure and gain measurement capability. Standard RF adapters and test cables support field integration.