The Andrew Hybrid Tee Reflectometer test set comprises three integrated models (49000-159H-I, 48988-159H, and 40501-159H) designed for precise testing and measurement of hybrid tee components in RF and microwave systems. This reflectometry-based instrument suite characterizes signal reflection and impedance matching across operational frequencies, enabling engineers to assess hybrid tee performance and maintain RF/microwave infrastructure integrity.
Technical Specifications
Model 48988-159H — Hybrid Tee Reflectometer
• Impedance: 50 Ω
• Measurement time per point: minimum 100 µs, typical 200 µs
• Measurement points: 2 to 100,001
• Time domain gating: standard
• Dynamic range: 74 dB to 109 dB (varies by measurement type)
• Return loss measurement capability: up to 35 dB
• Powered and operated via USB interface
• Frequency setting resolution: ±5×10⁻⁶, ±2.5×10⁻⁶
Model 40501-159H — Termination Load
• Impedance: 50 Ω
• Termination element for RF/microwave test configurations
Model 420-14A-159H — Calibration Load
• Enables reflectometer calibration for measurement accuracy
– Key Features
• Multi-component test set architecture consolidates reflectometer, termination, and calibration elements
• Time domain gating enables time-windowed measurements
• Wide measurement point flexibility: 2 to 100,001 points per acquisition
• USB-powered operation supports field deployment
• 50 Ω impedance matching for standard RF systems
– Typical Applications
• Hybrid tee component characterization across operational frequencies
• Return loss and reflection analysis in RF/microwave networks
• Impedance matching verification in transmission systems
• Field-deployable reflectometry measurements
– Compatibility & Integration
• All models operate as an integrated test set for hybrid tee evaluation
• Standardized 50 Ω impedance ensures compatibility with RF/microwave infrastructure
• USB interface provides control and data acquisition connectivity
