The Agilent/Keysight DC10307BRCI-346 is a broadband noise source engineered for RF and microwave measurement applications requiring precise noise figure characterization. Part of the Keysight 346 series, this component generates calibrated noise output across multiple frequency ranges to support gain and added noise measurements of devices under test. The noise source operates with dual states—powered and unpowered—enabling accurate signal analysis in advanced test systems.
Technical Specifications
• Model: DC10307BRCI-346
• Product Family: 346 Series Noise Source
• Frequency Range: Aligns with 346 series variants: 10 MHz to 18 GHz or 10 MHz to 12 GHz or 12 GHz to 26.5 GHz depending on configuration
• Excess Noise Ratio (ENR): Nominal values range from 6 dB to 17 dB across 346 variants
• RF Output Connector: Male APC-3.5 (Type-N available on select models)
• Bias Input Connector: Female BNC
• Power Requirement: +28 V DC
• VSWR: Less than 1.3:1 (typical across 346 series)
• Reflection Coefficient Stability: Minimal change from ON to OFF state, optimized for input-impedance-sensitive device characterization
– Key Features
• Dual-state noise generation for differential measurement methodology
• Low VSWR minimizes signal reflection and measurement uncertainty
• Optimized for accurate impedance-sensitive measurements
• Standardized connectors ensure straightforward system integration
• +28 V trigger enables remote control in automated test environments
– Typical Applications
• Noise figure measurements across RF and microwave frequency bands
• Characterization of low-noise amplifiers and receiver front ends
• Gain measurement validation in signal chain analysis
• Performance assessment of frequency-selective devices
– Compatibility & Integration
The DC10307BRCI-346 integrates with Keysight measurement platforms including NFA, ESA-E Series, PNA-X, PSA Series, and X-Series instruments (PXA, MXA, EXA, CXA) for noise figure and gain measurements.












