The Rohde & Schwarz ZN-Z103 is a single-port calibration unit that delivers automatic reflection calibration for vector network analyzers and RF test equipment operating across 2 MHz to 4 GHz. This electronically switched calibration standard contains internal kit data, enabling connected analyzers to calculate error terms and apply calibration autonomously—eliminating manual calibration procedures, reducing operator error, and protecting standards from mechanical wear.
Technical Specifications
Frequency Range: 2 MHz to 4 GHz
RF Interface: Type N male connector, 50 Ohm impedance
Calibration Standards: Electronically switched internal standards with stored calibration kit data
Power and Control: Mini-B USB connector
Measurement Bandwidth: 10 Hz (valid for specified data)
Nominal Power: –10 dBm at calibration ports (valid for specified data)
Performance (at –10 dBm, 10 Hz bandwidth):
• Directivity: >42 dB typical, >38 dB nominal
• Source Match: >36 dB typical, >34 dB nominal
• Reflection Tracking: <0.2 dB typical, <0.3 dB nominal
Operating Temperature: +18 °C to +28 °C
Storage Temperature: –20 °C to +50 °C
– Key Features
• Automatic single-port reflection calibration eliminates manual standards handling
• Internal calibration data storage removes dependency on external kit files
• Electronic switching protects standards from wear and physical degradation
• Status LED provides connection and initialization indication
• Compact single Type N connector configuration for streamlined lab setups
– Typical Applications
• Calibration of vector network analyzer ports prior to RF measurements
• Verification and error correction in broadband RF test systems
• Reduction of measurement uncertainty in reflection coefficient measurements
• Field and laboratory cable and antenna analyzer calibration
– Compatibility & Integration
Primary compatibility with R&S® Cable Rider ZPH handheld cable and antenna analyzers. Secondary compatibility with R&S® ZNx series analyzers running firmware version 2.80 or higher. USB connectivity via supplied cable enables direct connection to compatible analyzer instruments.

















