The Rohde & Schwarz HZ16 is a wideband preamplifier that amplifies weak RF signals across the 100 kHz to 3 GHz frequency range, delivering 20 dB typical gain with a 4.5 dB nominal noise figure. It bridges near-field probes and spectrum analyzers or test receivers to enable detection and measurement of very weak high-frequency fields that would otherwise fall below receiver sensitivity thresholds. The HZ16 is engineered for EMC precompliance testing, emissions measurements, and field development work where signal-to-noise ratio and measurement reliability are paramount.
– Technical Specifications
• Frequency range: 100 kHz to 3 GHz
• Gain: 20 dB (typical)
• Noise figure: 4.5 dB (nominal)
• Maximum RF input power: 13 dBm
• RF connectors: BNC (female), 50 Ω input and output
• Operating voltage: 12 V DC ±10 %
• Current drain: 50 mA (typical)
• Power consumption (mains): 30 W (maximum)
• Mains supply: 100 V to 240 V AC ±10 %, 50 Hz to 60 Hz ±5 %
• Dimensions: 240 mm × 55 mm × 195 mm
• Weight: 600 g (in case)
• Operating temperature: +5°C to 45°C
• Storage temperature: -40°C to +70°C
– Key Features
• Low-noise amplification maintains measurement integrity across weak-signal applications
• Direct integration with standard 50 Ω BNC-equipped spectrum analyzers and test receivers
• Compact form factor for bench and field deployment
• IEC/EN 60950-1 safety compliance and Class B EMC emission ratings
– Typical Applications
• EMI precompliance testing per CISPR 11, CISPR 32, and FCC Part 15
• Controller hardware development and field strength measurements
• CE marking and emissions characterization
• Near-field probe measurement systems (e.g., R&S HZ-15 probe sets)
– Compatibility & Integration
The HZ16 connects between any near-field probe and spectrum analyzer or test receiver with 50 Ω BNC female input/output connectors. Its compact design and low power draw (50 mA @ 12 V DC) support both lab and portable measurement setups.
