Rohde & Schwarz ZNB20 Vector Network Analyzer

Overview

The Rohde & Schwarz ZNB20 is a 4-port vector network analyzer designed for RF component characterization and testing in mobile radio, aerospace, and defense applications. It covers frequency ranges from 9 kHz to 20 GHz with 3.5 mm connectors, providing a combination of high measurement accuracy, fast sweep times, and excellent long-term stability for multi-day measurement campaigns without recalibration.

The ZNB20 delivers high-performance RF measurements with a typical dynamic range of 140 dB, enabling precise characterization of even low-level signals. Trace noise of less than 0.004 dB RMS at 10 kHz IF bandwidth and output power adjustability of more than 95 dB support diverse measurement requirements.

Key Features

• Frequency range: 9 kHz to 20 GHz
• 4 ports with 3.5 mm male connectors
• Dynamic range: 140 dB (at 10 Hz IF bandwidth)
• Trace noise: less than 0.004 dB RMS (at 10 kHz IF bandwidth)
• Output power: up to +13 dBm, adjustable over 95 dB range
• Measurement speed: better than 5 µs per point
• Sweep time: 4 ms for 401 points
• Magnitude and phase drift: typically lower than 0.01 dB/°C and 0.15°/°C

Applications

• RF component characterization and design validation
• Amplifier, mixer, filter, and connector testing
• Cable and interconnect verification
• Production testing of RF modules
• Aerospace and defense RF system development

Included Accessories

• Mechanical calibration and verification kits
• Test cables
• Torque wrenches