Rohde & Schwarz FPS13 Signal and Spectrum Analyzer 10Hz to 13.6GHz

The Rohde & Schwarz FPS13 is a signal and spectrum analyzer covering 10 Hz to 13.6 GHz, engineered for precision measurement across wireless communications, aerospace and defense, and EMC testing. This 2U rack-mountable instrument delivers exceptional phase noise performance, ultra-low displayed average noise levels down to –155 dBm at 1 GHz, and analysis bandwidth to 160 MHz. The FPS13 combines wide dynamic range, frequency resolution to 0.01 Hz, and input level range from –154 dBm to +30 dBm, making it ideal for production monitoring and laboratory environments where measurement accuracy and compact deployment are critical.

Technical Specifications

• DC coupled: 10 Hz to 13.6 GHz


• AC coupled: 10 MHz to 13.6 GHz


• Signal analysis bandwidth: up to 160 MHz


• Frequency resolution: 0.01 Hz; counter resolution: 0.001 Hz Signal Integrity


• Phase noise: typically –110 dBc (1 Hz) at 10 kHz offset; typically –130 to –153 dBm (1 Hz) at 9 kHz to 3.6 GHz offset


• Displayed average noise level: typically –155 dBm at 1 GHz in 1 Hz bandwidth


• Third order intercept: typically +15 dBm


• 1 dB compression point: typically +3 dBm (f ≤ 7 GHz); typically +5 dBm (f > 7 GHz) RF Input & Attenuation


• Input level range: –154 dBm to +30 dBm


• Attenuation range: 0 dB to 70 dB (1 dB steps)


• Level measurement uncertainty: 0.4 dB up to 7 GHz Measurement Capabilities


• Sweep points: 101 to 32001 (default 1001)


• Sweep time accuracy: ±0.1 % (zero span); ±3 % (swept, span ≥ 10 Hz)


• Bandwidth accuracy: < 2 % (nom.); bandwidth uncertainty: < 3 % (nom.) Optional Enhancements


• RF preamplifier option (R&S FPS-B22/B24) reduces 1 dB compression point to typically –12 dBm (f ≤ 7 GHz)


• Precision reference frequency option (R&S FPS-B4 OCXO) available for enhanced stability

Key Features

• Compact 2U form factor for rack integration


• Extended frequency resolution to 0.001 Hz via counter mode


• Intermodulation performance: typically –3 dBm (nom.) across 10 MHz to 3.6 GHz


• Second harmonic intercept to 25 dBm (nom.) with preamplifier option

Typical Applications

• Wireless communications signal characterization


• Aerospace and defense measurement systems


• EMC compliance and immunity testing


• Production line monitoring and troubleshooting