The Rohde & Schwarz FSW67 is a high-performance signal and spectrum analyzer covering 2 Hz to 67 GHz, with optional extension to 110 GHz or 500 GHz via external harmonic mixers. Built for aerospace, defense, and communications applications, it delivers exceptional phase noise performance and sensitivity across its entire frequency range. The instrument combines an internal analysis bandwidth up to 8.3 GHz with real-time analysis capability to 800 MHz, enabling precise characterization of complex wideband signals. Its multitouch display and embedded SCPI recorder streamline operation and test automation.
Technical Specifications
Frequency Range: 2 Hz to 67 GHz (extendable to 110 GHz or 500 GHz with external harmonic mixers)
Analysis Bandwidth: Internal up to 8.3 GHz; real-time analysis to 800 MHz; standard I/Q bandwidth 10 MHz with options from 28 MHz to 500 MHz via R&S FSW-B modules
Phase Noise: Typically -140 dBc (1 Hz) at 1 GHz with 10 kHz offset; -143 dBc (1 Hz) at 100 kHz offset; -133 to -138 dBc (1 Hz) at 10 GHz with 10 kHz offset; close-in performance of -114 dBc (1 Hz) at 100 Hz offset
Displayed Average Noise Level (DANL): Typically -159 dBm (1 Hz) at 2 GHz; -150 dBm (1 Hz) at 25 GHz; -120 dBm (1 Hz) at 2 Hz for frequencies up to 40 MHz
Dynamic Range: 88 dBc general; 60 dBc spurious-free for 2 GHz internal analysis bandwidth; improved performance below 1 GHz via dedicated receive path
Measurement Accuracy: Level uncertainty <0.37 dB (≤8 GHz); bandwidth uncertainty <3% nominal; shape factor 60 dB:3 dB <6 nominal
Third Order Intercept (TOI): -20 to -5 dBm
Maximum Input Level: +15 dBm at ≤3 GHz; +10 dBm at 3–8 GHz (RF attenuation 0 dB, preamplifier off)
– Key Features
• Exceptional low phase noise across all frequency bands
• Up to 8.3 GHz internal analysis bandwidth for wideband characterization
• Real-time analysis to 800 MHz for transient event capture
• Flexible I/Q bandwidth options supporting diverse signal types
• Multitouch user interface for intuitive control
• SCPI automation support for streamlined test sequences
– Typical Applications
• Wideband signal analysis in aerospace and defense
• Component characterization for communications systems
• Phase noise and spectral purity measurements
• ACLR and harmonic distortion assessment
– Compatibility & Integration
Optional integration with R&S RTO2064 oscilloscope (5 GHz analysis bandwidth). Supports external harmonic mixers for extended frequency coverage.
