R&S®FSQ Signal Analyzer

Signal analysis and high-end spectrum analysis in one instrument

Specifications

  R&S®FSQ3 R&S®FSQ8 R&S®FSQ26 R&S®FSQ40
Frequency range 20 Hz to 3.6 GHz 20 Hz to 8 GHz 20 Hz to 26.5 GHz 20 Hz to 40 GHz
Reference frequency aging: 1 x 10 –7/year, with R&S®FSU-B4 option: 2 x 10 –8
Spectral purity
Phase noise typ. –133 dBc (1 Hz) at 10 kHz carrier offset, carrier frequency 500 MHz
Distortion 1 Hz
Sweep time
Span >10 Hz 2.5 ms to 16 000 s
Span 0 Hz (zero span) 1 μs to 16 000 s
RBW 10 Hz to 50 MHz, FFT filter: 1 Hz to 30 kHz, channel filter, EMI bandwidth
VBW 1 Hz to 30 MHz
Display range DANL to +30 dBm
DANL (1 Hz RBW)
1 GHz typ. –158 dBm typ. –155 dBm typ. –156 dBm typ. –155 dBm
7 GHz − typ. –154 dBm typ. –155 dBm typ. –153 dBm
13 GHz − − typ. –151 dBm typ. –151 dBm
26 GHz − − typ. –146 dBm typ. –147 dBm
40 GHz − − − typ. –141 dBm
DANL with preamplifier ON
(R&S®FSU-B25), 1 GHz, 1 Hz RBW		 –162 dBm –162 dBm –162 dBm –162 dBm
DANL with preamplifier ON
(R&S®FSU-B23), 26 GHz, 1 Hz RBW		 − − –150 dBm −
Trace detectors Max Peak, Min Peak, Auto Peak, Sample, RMS, Average, Quasi Peak
Total measurement uncertainty, f < 3.6 GHz 0.3 dB
Display linearity 0.1 dB (0 dB to –70 dB)