The Narda 3000-10 is a coaxial directional coupler engineered for signal sampling and injection across the 225–460 MHz band. It provides 10 dB nominal coupling with ±1.2 dB variation and 30 dB minimum directivity, enabling precise power measurement, signal monitoring, and system alignment with minimal transmission line disturbance.
Technical Specifications
• Frequency Range: 225 MHz to 460 MHz
• Nominal Coupling: 10 dB
• Coupling Variation: ±1.2 dB
• Directivity: 30 dB minimum
• Insertion Loss: 0.7 dB maximum (0.20 dB excluding coupled power)
• VSWR (Primary Line): 1.10:1 maximum
• VSWR (Secondary Line): 1.15:1 maximum
• Average Power Handling: 200 W
• Peak Power Handling: 10 kW
• Reflected Power: 50 W
• Calibration Accuracy: ±0.1 dB per 10 dB step
• Calibration Frequencies: 0.225, 0.280, 0.350, 0.410, 0.460 GHz
• Impedance: 50 Ω
• Connectors: Type N Female
– Key Features
• Low insertion loss maximizes signal integrity in measurement chains
• High directivity isolates forward and reflected power signals
• Flat coupling response across the 225–460 MHz band simplifies calibration
• High power handling capability—200 W average, 10 kW peak—supports demanding RF applications
• Type N connectors enable direct integration with standard RF test equipment
– Typical Applications
• In-line power measurement and monitoring
• Signal sampling for network analysis and troubleshooting
• Impedance and return loss measurement
• System alignment and characterization
• RF test and development environments
– Compatibility & Integration
Designed for 50 Ω RF systems operating within the 225–460 MHz range. Type N female connectors provide standard connectivity across laboratory and field-deployed RF instrumentation. Dimensions: 10.68 × 2.13 × 0.88 inches; weight: 1.8 oz.
