The Rohde & Schwarz FSA is a spectrum analyzer engineered for signal analysis across RF applications ranging from 9 kHz to 50 GHz. This instrument delivers high-performance measurement capabilities for R&D, manufacturing, and field service environments. The FSA family provides wide dynamic range, excellent phase noise performance, and advanced measurement functions including channel power, spurious emissions, harmonic distortion, vector signal analysis, and pulse measurements. With resolution bandwidths from 1 Hz to 50 MHz and fast sweep times, the FSA enables detailed spectral analysis and efficient signal characterization across diverse RF test scenarios.
Technical Specifications
• Frequency Range: 9 kHz to 50 GHz (model-dependent; variants available to 1.8 GHz)
• Resolution Bandwidth (RBW): 1 Hz to 50 MHz
• Analysis Bandwidth: Up to 1 GHz (selected models); up to 5 GHz (high-end variants)
• Displayed Average Noise Level (DANL): Down to -158 dBm (1 Hz bandwidth) at 1 GHz; -159 dBm (1 Hz) at 2 GHz in advanced models
• Phase Noise: -127 dBc/Hz at 10 kHz offset (1 GHz carrier); -137 dBc (1 Hz) at 10 kHz offset in select models
• Sweep Time: 2.5 ms (frequency domain); 1 µs (time domain)
• Dynamic Range: Wide dynamic range for simultaneous measurement of high and low amplitude signals
– Key Features
• Channel and adjacent-channel power measurements with customizable standards
• CCDF (Complementary Cumulative Distribution Function) analysis
• Fast ACP (Adjacent Channel Power) measurement capability in time domain
• Spurious emission and harmonic distortion measurements
• Vector signal analysis for digital communications
• Pulse measurements for radar applications
• Real-time analysis capabilities in advanced models
– Typical Applications
• RF component and subsystem characterization
• Transmitter and receiver validation
• Spurious and harmonic content analysis
• Modulated signal measurement and oscillator phase noise evaluation
• Radar pulse analysis
– Compatibility & Integration
The FSA series architecture supports integration into multi-instrument test systems and supports various measurement standards and protocols for automated testing workflows.


















