The Agilent/Keysight K752D is a waveguide directional coupler engineered for precision microwave power measurement, attenuation analysis, and network characterization. Its conventional multi-hole design delivers the low SWR and high directivity demanded by RF and microwave measurement environments. The K752D family spans multiple frequency bands, making it a versatile platform for laboratory and automated test system integration.
Technical Specifications
• Product Type: Waveguide Directional Coupler
• Frequency Range: 33 GHz to 40.0 GHz (WR28 waveguide)
• Coupling Factor: 20 dB
• Directivity: ≥ 40 dB
• SWR (Standing Wave Ratio): ≤ 1.05 (typical)
• Mean Coupling Accuracy: ± 0.7 dB
• Waveguide Size: WR28
• Design: Conventional multi-hole construction
– Key Features
• Low insertion loss and predictable coupling factor maintain measurement fidelity across the operating band
• High directivity (≥ 40 dB) ensures accurate forward and reflected power separation
• Tight SWR performance (≤ 1.05) minimizes system mismatch effects
• Coupling accuracy of ± 0.7 dB supports repeatable quantitative measurements
• Standard waveguide flange compatibility enables integration into existing test configurations
– Typical Applications
• Power level measurement and source leveling
• Attenuation characterization
• Reflectometer setups for return loss and reflection coefficient analysis
• Network analysis with Vector Network Analyzers
• Automated test equipment (ATE) systems
– Compatibility & Integration
The K752D integrates with Keysight Vector Network Analyzers for passive and active microwave component characterization. It functions as a standalone component in laboratory measurement setups or as an embedded element within larger automated test systems. Standard waveguide flange design ensures compatibility with conventional microwave test benches.
