The Rohde & Schwarz ZN-Z55 is an automatic calibration unit purpose-built for vector network analyzer systems. Operating across 9 kHz to 50 GHz, it delivers precise calibration in laboratory and production environments without requiring warm-up time. The unit connects via USB with automatic detection and plug-and-play configuration, eliminating manual setup steps. Its dual 2.4 mm female connectors support multiport calibration topologies, making it suitable for complex measurement configurations.
Technical Specifications
Frequency Range: 9 kHz to 50 GHz
Impedance: 50 Ohms
Ports: 2 × 2.4 mm (female) connectors
Input Power Range: –45 dBm to +20 dBm nominal
Damage Level: +20 dBm
Weight: 2 kg
Directivity (Effective Error Coefficient):
• 9 kHz to 100 kHz: > 40 dB (specification)
• 100 kHz to 2 GHz: > 44 dB (specification)
• 2 GHz to 10 GHz: > 39 dB (specification)
• 10 GHz to 20 GHz: > 37 dB (specification)
• 20 GHz to 30 GHz: > 35 dB (specification)
– Key Features
• USB control interface with automatic device detection
• Plug-and-play functionality—minimal setup overhead
• Zero warm-up time requirement
• Multiport calibration support for advanced measurement architectures
• Automatic port assignment detection during calibration cycle
• Automatic data transfer to connected VNA via USB
• Recommended USB cable length not to exceed 1 m
– Compatibility & Integration
The ZN-Z55 calibrates Rohde & Schwarz ZVA/T, ZNB/T, ZNC, ZND, and ZNL vector network analyzers. It supports multiport systems including R&S ZNBT and R&S ZNB+ configurations.
