Rhode and Schwarz FSVA4 Spectrum Analyzer

The Rohde & Schwarz FSVA4 is a signal and spectrum analyzer engineered for aerospace, defense, and wireless communications applications. It delivers exceptional dynamic range and precise frequency measurements across 10 Hz to 4 GHz, supporting complex signal analysis and standards compliance verification.

Technical Specifications

• Frequency range: 10 Hz to 4 GHz


• Frequency counter resolution: 0.001 Hz


• Frequency counter accuracy: ±(frequency × reference uncertainty + ½ (last digit))


• Frequency reference aging: 1 × 10⁻⁶


• Frequency axis display range: 0 Hz, 10 Hz to maximum frequency


• Frequency axis resolution: 0.1 Hz


• Maximum span deviation: 0.1% Signal Analysis Bandwidth


• Standard analysis bandwidth: 28 MHz


• With R&S®FSVA-B40 option: 40 MHz


• With R&S®FSV-B160 option: 160 MHz maximum analysis bandwidth Dynamic Range and Noise


• Displayed Average Noise Level (DANL): typical –168 dBm (1 Hz)


• Third-order intercept (TOI): typical 20 dBm


• Phase noise at 1 GHz (10 kHz offset): typical –118 dBc (1 Hz)


• Residual FM at 500 MHz (RBW 1 kHz, 100 ms sweep): 7 GHz

Key Features

• Modulation analysis: I/Q, AM, FM (external)


• AM modulation depth: 0% to 100%


• AM/FM modulation frequency range: 0 Hz to 1 MHz


• Frequency counter accuracy across full band with traceable reference uncertainty


• Optional preamplifier support for extended sensitivity

Typical Applications Signal characterization in aerospace and defense environments; wireless communications analysis; spurious emission detection; modulation quality assessment; multicarrier signal evaluation.

Compatibility & Integration Supports R&S®FSV-B22, R&S®FSV-B24, and R&S®FSV-B160 option modules for expanded bandwidth and preamplification capabilities.