Rohde & Schwarz ZNH26

Rohde & Schwarz ZNH26 is a portable vector network analyzer that provides measurements in a wide frequency range from 30 kHz to 26.5 GHz. This device is a powerful tool for engineers working in the field, thanks to its compact design, high performance, and versatility.

Main Features:

• Frequency range: 30 kHz to 26.5 GHz.
• Single-port measurement: cables and antennas, available with the basic version of the device.
• Two-port measurements: supports the full set of S-parameters (S₁₁, S₁₂, S₂₁, S₂₂).
• Dynamic range: up to 100 dB (typical), enabling accurate measurements of filter and antenna isolation.
• Interface: touchscreen and intuitive menu for configuration.
  
  

Main Capabilities:

1. Distance to fault (DTF) measurement:
   • Helps identify cable damage and locate faults.
2. Single-port cable loss measurement:
   • Provides data on line attenuation.
3. Reflection measurement:
   • Analyzes the matching of antennas and other components.
4. Transmission measurement:
   • Analyzes the parameters of signal transmission through a component.
5. Additional functions:
   • Optional power measurements, pulse measurements, and wave parameters extend the device’s capabilities.
     
     

Applications:

• Servicing and testing communication systems.
• Quick troubleshooting in radar and satellite systems.
• Setting up and testing antennas, cables, and other communication system components.
  
  

Advantages:

• Compactness: Lightweight and small form factor for easy field use.
• Ease of use: Touchscreen interface simplifies control, and the intuitive menu speeds up measurement processes.
• Versatility: Wide frequency range and additional features meet engineers' needs.
  
  

Basic ZNH26 Package:

1. Distance to fault measurement.
2. Single-port cable loss measurement.
3. Reflection and transmission measurements.
4. Full set of S-parameters (S₁₁, S₂₁, S₁₂, S₂₂).
   
   

Four-Receiver Architecture

R&S ZNH26 is equipped with a four-receiver architecture that includes dedicated reference and test receivers on both ports (port 1 and port 2). This setup supports advanced calibration types, such as:

• UOSM calibration: unknown through, open, short, and matched load.

This calibration type is particularly useful for devices with different types of connectors on input and output ports.

Ease of Use

1. Intuitive control:
   • Touchscreen supports standard gestures like pinch-to-zoom, familiar from smartphones.
   • Gesture controls make operation more convenient and natural.
2. Remote access:
   • Free apps for PC, Android, and iOS are available for device control.
   • Remote management ensures seamless operation even when the operator is away from the device.
3. Measurement wizard:
   • Automated test sequences simplify measurement setup.
   • Speeds up testing and reduces user error.
     
     

Single-Port Cable and Antenna Measurements

• 16001 points per trace:
  • Allows measurements of electrically long cables without length limitations, important for detecting breaks and damage.
• Cable loss verification:
  • For single-port loss measurements, only one cable end needs to be connected. The other end can be:
    • Short-circuited.
    • Left open.
• Antenna efficiency evaluation:
  • Evaluates antenna performance through reflection measurements.
  • Low reflection indicates efficient energy transmission.
  • High reflection can damage components and reduce system efficiency.
• Data formats:
  • Return loss.
  • Voltage Standing Wave Ratio (VSWR).
  • Reflection coefficient.
    
    

Four S-Parameter Measurements

1. Applications:
   • Development and production of components.
   • Design validation for compliance with specifications.
   • Maintenance of deployed RF and microwave systems.
2. Supported measurements:
   • Full set: S₁₁, S₂₁, S₁₂, S₂₂.
   • Display modes: single, split, triple, and quad.
   • Various data formats.
3. Field applications:
   • Quick troubleshooting in communication systems.
   • Optimization of components for system efficiency.
     
     

R&S ZNH26 is the ideal tool for engineers working in communications, radar, and satellite technologies.