The Rohde & Schwarz FSL6 is a compact spectrum analyzer covering 9 kHz to 6 GHz, designed for research, development, service, and production environments. This lightweight instrument delivers high-end measurement capabilities in a portable form factor, balancing performance with accessibility for wireless communications, EMI analysis, and general signal characterization.
Technical Specifications
Frequency Coverage & Resolution
• Frequency range: 9 kHz to 6 GHz
• Resolution bandwidth: 300 Hz to 10 MHz (–3 dB, 1/3 sequence); optional 10 Hz to 10 MHz with R&S FSL-B7
• Video bandwidth: 10 Hz to 10 MHz
• Span accuracy: Nominal 0.1% (zero span), nominal 3% (≥10 Hz span)
Amplitude Performance
• Displayed average noise level: Typically –162 dBm
• Amplitude range: DANL to +20 dBm
• Third-order intercept point: Typically +18 dBm
• Maximum rated input: DC 50 V
• RF attenuator: 5 dB steps
Phase Noise
• –95 dBc/Hz (1 kHz offset, 500 MHz carrier)
• –103 dBc/Hz (10 kHz offset, 1 GHz carrier)
• –105 dBc/Hz (100 kHz offset, 500 MHz carrier)
• –120 dBc/Hz (1 MHz offset, 500 MHz carrier)
Signal Analysis
• I/Q demodulation bandwidth: 20 MHz
• Sweep time: 1 µs to 16000 s (variable by span)
– Key Features
• Multiple detector types: max, min, auto-peak, sample, RMS, average, quasi-peak
• Tracking generator available (up to 6 GHz)
• Resolution filter shape factor typically <5 (Gaussian)
• Low measurement uncertainty across microwave frequencies
• Weight: <8 kg
– Typical Applications
• Wireless communication standard characterization
• EMI/RFI analysis and troubleshooting
• General-purpose spectrum and signal analysis
• Production and field service measurements
– Compatibility & Integration
• 100BaseT LAN remote control (standard)
• USB host interface (standard)
• Optional GPIB interface (R&S FSL-B10)
• Windows XP Embedded operating system
• Optional internal battery pack for portable deployment
• Optional OCXO reference frequency (R&S FSL-B4)
• Optional gated sweep function (R&S FSL-B8)
