The Rohde & Schwarz NRP50S(N) is a three-path diode power sensor for precision RF and microwave power measurements spanning 50 MHz to 50 GHz. The three-path diode architecture delivers fast, accurate measurements across a 93 dB dynamic range by utilizing overlapping diode paths optimized for different measurement ranges, minimizing hysteresis and reducing measurement delay. This design enables signal-to-noise performance and measurement speed essential for demanding test scenarios.
Technical Specifications
Frequency & Power Range
• Operating frequency: 50 MHz to 50 GHz
• Power level range: −70 dBm to +20 dBm
• Measurement range: 100 pW to 100 mW
• Maximum average power: 200 mW
• Maximum peak envelope power: 1 W (10 µs pulse width)
• Dynamic range: 93 dB
Measurement Performance
• Triggered measurement speed: up to 10,000 measurements/s
• Fast continuous average mode: more than 50,000 readings/s
• Video bandwidth (trace mode): 100 kHz
• Lower measurement limit: −70 dBm
Impedance Matching (SWR)
• 50 MHz to 2.4 GHz: < 1.13 (< 1.11 at +15 °C to +35 °C)
• 2.4 GHz to 8.0 GHz: < 1.20 (< 1.18)
• 8.0 GHz to 18.0 GHz: < 1.25 (< 1.23)
• 18.0 GHz to 26.5 GHz: < 1.30 (< 1.28)
• 26.5 GHz to 33.0 GHz: < 1.35 (< 1.33)
Physical & Connectivity
• Connector: 2.4 mm (male)
• Dimensions: 110 mm × 27 mm × 35 mm
• Weight: 0.2 kg
• Interfaces: USB (via NRP-ZKU cable), LAN (N-suffix version), trigger I/O port
– Key Features
• Three-path diode technology optimized for smooth range transitions and reduced measurement artifacts
• Measurement modes: continuous average, burst average, timeslot average, gate average, trace, and statistics
• Triggered and free-run measurement capability for flexible test automation
• Fully characterized sensor with calibration data stored on device
– Typical Applications
• Amplifier testing and characterization
• Signal analysis across microwave frequencies
• Power calibration and reference measurements
• Pulsed and modulated signal measurement
– Compatibility & Integration
The NRP50S(N) integrates with R&S NRPV software and R&S NRX base unit platforms for comprehensive power measurement solutions.
