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) |