The Keysight 346A Noise Source is a high-performance reference tool for noise figure measurements across RF and microwave applications. Operating from 10 MHz to 18 GHz, it provides a stable and reliable noise output with a nominal ENR of 6 dB, enabling engineers and researchers to evaluate the noise performance of low-noise amplifiers, mixers, and communication receivers with confidence.
Optimized for use with Keysight noise figure analyzers, spectrum analyzers, and other RF test instruments, the 346A ensures accurate calibration and repeatable results. Its robust construction and consistent ENR characteristics make it ideal for laboratory, production, and field environments where reliable RF performance testing is critical.
Key Features:
Frequency range: 10 MHz to 18 GHz
Nominal ENR: 6 dB for precise noise characterization
Designed for accurate noise figure measurements of RF components and systems
Stable, repeatable performance for laboratory and production use
Compatible with Keysight noise figure analyzers and spectrum analyzers
Durable design for long-term reliability
Compatible Chemicals:
Not applicable – RF/microwave electronic test equipment.
Included Accessories:
Standard connectors, user manual, and calibration data.
Compliance:
Manufactured under ISO 9001 quality management systems
Supports ISO 17025 calibration and traceability
Benefits for Lab & Field Users:
Provides accurate calibration for noise figure measurements
Ensures consistent and repeatable results across wide frequency ranges
Reduces measurement uncertainty in RF testing
Simplifies integration with Keysight RF/microwave analyzers
Reliable solution for aerospace, defense, telecom, and research labs





