R&S®FSU Spectrum Analyzer

High-end spectrum analysis

Specifications

  R&S®FSU3 R&S®FSU8 R&S®FSU26 R&S®FSU43
Frequency range 20 Hz to 3.6 GHz 20 Hz to 8 GHz 20 Hz to 26.5 GHz 20 Hz to 43 GHz
Reference frequency aging: 1 x 10 –7/year, with R&S®FSU-B4 option: 3 x 10 –8/year
Spectral purity
Phase noise typ. –133 dBc (1 Hz) at 640 MHz in 10 kHz from carrier
Sweep time
Span ≥10 Hz 2.5 ms to 16 000 s
Span 0 Hz (zero span) 1 μs to 16 000 s
Resolution bandwidth 10 Hz to 50 MHz (R&S®FSU43: 10 Hz to 10 MHz), FFT filter: 1 Hz to 30 kHz, channel filter, EMI bandwidth
Video bandwidth 1 Hz to 10 MHz
Display range displayed average noise level to +30 dBm
Displayed average noise level (1 Hz RBW)
1 GHz typ. –158 dBm typ. –158 dBm typ. –156 dBm typ. –156 dBm
7 GHz − typ. –154 dBm typ. –156 dBm typ. –153 dBm
13 GHz − − typ. –153 dBm typ. –153 dBm
26 GHz − − − typ. –148 dBm
40 GHz − − − typ. –143 dBm
Displayed averagenoise level with preamplifier ON
(R&S®FSU-B25), 1 GHz, 1 Hz RBW		 < –162 dBm < –162 dBm < –162 dBm < –162 dBm
Displayed averagenoise level with preamplifier ON
(R&S®FSU-B24), 26 GHz, 10 Hz RBW		 − − typ. –166 dBm typ. –166 dBm
Trace detectors Max Peak, Min Peak, Auto Peak, Sample, RMS, Average, Quasi Peak, CISPR-AV, CISPR-RMS
Total measurement error, f < 3.6 GHz 0.3 dB
Display linearity 0.1 dB (0 dB to –70 dB)

  R&S®FSU46 R&S®FSU50 R&S®FSU67
Frequency range 20 Hz to 46 GHz 20 Hz to 50 GHz 20 Hz to 67 GHz
Reference frequency aging: 1 x 10 –7/year, with R&S®FSU-B4 option: 3 x 10 –8/year
Spectral purity
Phase noise typ. –133 dBc (1 Hz) at 640 MHz in 10 kHz from carrier
Sweep time
Span ≥ 10 Hz 2.5 ms to 16 000 s
Span 0 Hz (zero span) 1 μs to 16 000 s
Resolution bandwidth 10 Hz to 50 MHz (R&S®FSU43: 10 Hz to 10 MHz), FFT filter: 1 Hz to 30 kHz, channel filter, EMI bandwidth
Video bandwidth 1 Hz to 10 MHz
Display range displayed average noise level to +30 dBm
Displayed average noise level (1 Hz RBW)
1 GHz typ. –156 dBm typ. –156 dBm typ. –152 dBm
7 GHz typ. –153 dBm typ. –153 dBm typ. –148 dBm
13 GHz typ. –153 dBm typ. –153 dBm typ. –148 dBm
26 GHz typ. –148 dBm typ. –148 dBm typ. –142 dBm
40 GHz typ. –143 dBm typ. –136 dBm typ. –142 dBm
50 GHz – typ. –131 dBm typ. –140 dBm
60 GHz – – typ. –132 dBm
Displayed averagenoise level with preamplifier ON
(R&S®FSU-B25), 1 GHz, 1 Hz RBW		 < –162 dBm < –162 dBm −
Displayed averagenoise level with preamplifier ON
(R&S®FSU-B24), 26 GHz, 10 Hz RBW		 typ. –166 dBm typ. –166 dBm −
Trace detectors Max Peak, Min Peak, Auto Peak, Sample, RMS, Average, Quasi Peak, CISPR-AV, CISPR-RMS
Total measurement error, f < 3.6 GHz 0.3 dB
Display linearity 0.1 dB (0 dB to –70 dB)