The Rohde & Schwarz NRV-Z1 is a high-sensitivity diode power sensor engineered for precise average power measurements across 10 MHz to 18 GHz. Built on zero-bias Schottky diode technology, it delivers exceptional dynamic range from 100 pW (−70 dBm) to 20 mW (+13 dBm) with linearity uncertainty of 0.03 dB. Performance extends into the micro-watt region where response approximates thermal sensor behavior, making it ideal for modulated signal characterization and harmonic RMS weighting.
– Technical Specifications
Frequency Range: 10 MHz to 18 GHz
Power Measurement Range: 100 pW (−70 dBm) to 20 mW (+13 dBm); 100 mW average; 100 mW peak
Impedance: 50 Ω
Return Loss (SWR):
• 10 MHz to 1 GHz: 1.06
• >1 GHz to 2 GHz: 1.13
• >2 GHz to 4 GHz: 1.27
• >4 GHz to 18 GHz: 1.41
Electrical Characteristics:
• Zero Offset: ±100 pW
• Display Noise: 40 pW
• Linearity Uncertainty: 0.03 dB (0.7%)
• Power Coefficient: 0
Connector: N-type male
Cable Length: 1.3 m (4 ft)
– Key Features
Maintains frequency and temperature-independent linearity beyond the square-law region up to 20 mW. Zero-bias Schottky diode architecture eliminates bias network losses while enabling sub-picojoule sensitivity. Low display noise of 40 pW ensures reliable measurement of weak signals without sacrificing dynamic range headroom.
– Typical Applications
Suitable for characterizing low-level RF/microwave signals, validating modulated signal profiles, measuring harmonic content with RMS weighting, and supporting precision power audits across UHF and microwave bands.
– Compatibility & Integration
Works directly with Rohde & Schwarz NRVD, NRVS, URV35, and URV55 power meter base units via N-type male connector interface.
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