Rohde & Schwarz FSV3 9KHz – 3.6GHz Spectrum Analyzer

The Rohde & Schwarz FSV3 is a 9 kHz to 3.6 GHz spectrum analyzer engineered for signal analysis, spectrum monitoring, and RF system characterization across development, production, installation, and field service environments. This benchtop and portable instrument delivers 0.01 Hz frequency resolution, 1 Hz marker readout, and accurate, repeatable measurements across multiple wireless standards and general RF applications.

Technical Specifications

• Frequency range: 9 kHz to 3.6 GHz (DC-coupled); 1 MHz to 3.6 GHz (AC-coupled)


• Frequency resolution: 0.01 Hz


• Marker resolution: 1 Hz


• Reference frequency aging (standard): 1 × 10⁻⁶ per year


• Reference frequency aging with R&S®FSV-B4 OCXO option: 1 × 10⁻⁷ per year


• Temperature drift (0 °C to +50 °C, standard): 1 × 10⁻⁶


• Temperature drift with R&S®FSV-B4 OCXO (.02): 1 × 10⁻⁷


• Temperature drift with R&S®FSV-B4 extended stability (.03): 1 × 10⁻⁸


• Initial calibration accuracy (standard): 5 × 10⁻⁷


• Initial calibration accuracy with R&S®FSV-B4 OCXO: 5 × 10⁻⁸ RF Performance


• Level measurement uncertainty: 0.4 dB up to 7 GHz


• Phase noise: –110 dBc (1 Hz) at 10 kHz offset


• Third-order intercept (TOI): +15 dBm


• Displayed average noise level (DANL, 1 Hz bandwidth): –155 dBm at 1 GHz; –147 dBm at 30 GHz


• DANL with R&S®FSV-B24 preamplifier: –162 dBm at 30 GHz


• Dynamic range (WCDMA ACLR): 70 dB without noise compensation; 73 dB with noise compensation Analysis Bandwidth & Memory


• Standard bandwidth: Up to 160 MHz


• Optional bandwidths: 28 MHz, 40 MHz (R&S®FSV-B70), 200 MHz (R&S®FSV-B200)


• Analysis length: Up to 50,000 symbols; I/Q memory depth of 200 Msample

Key Features

• Frequency extension to 110 GHz with R&S®FSV-B21 option and harmonic mixers (R&S®FS-Z60/-Z75/-Z90/-Z110)


• Extension to 10 Hz with R&S®FSV-B29 option


• Phase noise, noise figure, and vector signal analysis capabilities


• Analog demodulation and EMI diagnostics

Typical Applications

• LTE (including LTE-Advanced), WLAN (IEEE 802.11ac), WCDMA/HSPA+, TD-SCDMA, GSM/EDGE, CDMA2000®/1xEV-DO, Bluetooth® analysis


• Digital modulation analysis for cellular and wireless standards


• Signal characterization and component testing


• Spectrum monitoring and field diagnostics

Compatibility & Integration Dedicated application modules include R&S®FSV3-K70 for vector signal analysis and R&S®FSV3-K10x for LTE downlink measurements. Optional reference frequency, preamplifier, and bandwidth expansion modules enhance performance for specialized measurement requirements.