Rohde and Schwarz FSA-D Spectrum Analyzer

The Rohde & Schwarz FSA-D is a spectrum analyzer designed for sophisticated signal analysis, research, and development applications requiring wide operational bandwidth, superior sensitivity, and comprehensive measurement capabilities. It delivers precise characterization of complex signals across multiple frequency bands while maintaining low phase noise and exceptional dynamic range - essential for validating performance against stringent industry standards.

Technical Specifications

• 100 Hz to 1.8 GHz Resolution Bandwidth


• –6 dB bandwidths: 10 Hz, 100 Hz, 200 Hz, 1 kHz, 9 kHz, 10 kHz, 100 kHz, 120 kHz, 1 MHz


• –3 dB resolution bandwidths: 1 Hz to 10 MHz (1/2/3/5 sequence); 3.9 kHz, 6.25 kHz standard


• Extended bandwidths to 40 MHz available with optional R&S®FSV3-B8E Phase Noise Performance


• –109 dBc/Hz at 10 kHz offset, 1 GHz carrier frequency


• –109 dBc (1 Hz) at 100 Hz offset; –127 dBc (1 Hz) at 1 kHz offset


• –136 dBc (1 Hz) at 10 kHz offset; –139 dBc (1 Hz) at 100 kHz offset


• –145 dBc (1 Hz) at 1 MHz offset; –156 dBc (1 Hz) at 10 MHz offset


• Enhanced phase noise to –100 dBc (1 Hz) at 10 Hz offset with optional R&S®FSW-B4 Dynamic Range & Sensitivity


• Reference level: –140 dBm to +30 dBm


• Displayed average noise level (DANL): up to –164 dBm


• Third-order intercept point (TOI): up to +28 dBm (RF preamplifier off)


• Maximum input level: +33 dBm (2 W) Sweep Characteristics


• Sweep time: 1 µs to 16,000 s (span = 0 Hz); 3 µs to 16,000 s (span ≥ 10 Hz)


• Sweep time accuracy: ±0.1 % (span = 0 Hz); ±3 % (span ≥ 10 Hz)

Key Features

• Wideband analysis from 100 Hz through 1.8 GHz with selectable resolution bandwidths


• Exceptional phase noise floor enabling detection of weak signals and fine spectral detail


• Fast sweep capabilities supporting real-time and zero-span measurements


• Optional noise cancellation (13 dB improvement) for noise-like signals


• Flexible input level range supporting various signal amplitudes

Typical Applications

• EMI/EMC compliance testing and pre-compliance assessment


• RF component characterization and quality assurance


• Signal integrity analysis in communication systems


• Receiver sensitivity and dynamic range verification


• Phase noise measurement and oscillator performance evaluation

Compatibility & Integration The FSA-D accepts optional modules for extended bandwidth operation and enhanced phase noise performance, enabling configuration tailored to specific measurement requirements across broadband and narrowband applications.