Model |
R&S®FSL18
model .18 |
R&S®FSL18
model .28 |
Frequency range |
9 kHz to 18 GHz
(overrange 20 GHz) |
9 kHz to 18 GHz
(overrange 20 GHz) |
Frequency accuracy |
1 × 10-6 |
- |
With R&S®FSL-B4, OCXO |
standard with the R&S®FSL18 |
standard with the R&S®FSL18 |
Resolution bandwidths |
Standard |
300 Hz to 10 MHz in 1/3 sequence, zero span additionally 20 MHz |
With R&S®FSL-B7 |
10 Hz to 10 MHz in 1/3 sequence, additionally 1 Hz (FFT filter) |
Video bandwidths |
10 Hz to 10 MHz |
10 Hz to 10 MHz |
Signal analysis bandwidth |
28 MHz |
28 MHz |
Phase noise |
typ. -103 dBc (1 Hz) at 10 kHz from carrier, 1 GHz |
Displayed average noise level (DANL) |
With 300 Hz RBW |
typ. -117 dBm |
typ. -117 dBm |
With 1 Hz FFT RBW and preamplifier
(R&S®FSL-B7, R&S®FSL-B22 options) |
500 MHz: typ. -162 dBm
3 GHz: typ. -158 dBm |
Third-order intercept (TOI) |
typ. +18 dBm |
typ. +18 dBm |
Detectors |
pos./neg. peak, auto peak, RMS, quasi-peak, average, sample |
Level measurement uncertainty |
<0.5 dB (30 kHz ‰¤ f ‰¤ 3 GHz),
<0.8 dB (3 GHz< f ‰¤ 6 GHz),
<1.2 dB (6 GHz< f ‰¤ 18 GHz) |
Tracking generator |
no |
yes |
Frequency range |
- |
10 MHz to 18 GHz |
Output level |
- |
-30 dBm to
-10 dBm |