The Keysight 11904D is a metrology-grade coaxial adapter that bridges 2.4 mm female and 2.92 mm male connector systems for precision RF and microwave measurements. It enables accurate signal transmission across DC to 40 GHz, supporting extended testing to 67 GHz when paired with compatible accessories. Built to tight tolerances, the adapter delivers return loss greater than 24 dB and repeatability of -40 dB, ensuring stable and reproducible connections in demanding test environments.
Technical Specifications
• Connector Configuration: 2.4 mm Female to 2.92 mm Male
• Frequency Range: DC to 40 GHz
• Electrical Length: 11.3 mm (0.45 in)
• Overall Length: 17.0 mm (0.67 in)
• Diameter: 9.0 mm (0.35 in)
• Return Loss: Greater than 24 dB
• Repeatability: -40 dB
• Grade: Metrology-grade
– Key Features
• Broadband performance from DC through 40 GHz with capability to 67 GHz in system configurations
• Return loss exceeding 24 dB ensures minimal signal reflection and measurement integrity
• Repeatable connections at -40 dB support phase-stable and amplitude-stable measurements
• Compact form factor (17.0 mm length, 9.0 mm diameter) minimizes test setup footprint
• Tight mechanical tolerances maintain consistent electrical performance across multiple connect-disconnect cycles
– Typical Applications
• Radar and satellite system testing
• Wireless communications measurements
• Microwave backhaul characterization
• High-frequency device validation requiring 2.92 mm connector access
– Compatibility & Integration
The 11904D interfaces network analyzers and signal analyzers equipped with 2.4 mm test ports to devices and systems using 2.92 mm connectors. Compatible with Keysight X-Series signal analyzers. Part of the broader Keysight adapter portfolio designed for measurement accuracy and interoperability across RF/microwave test platforms.
