Atec Rohde-Schwarz_FSL Series - Manual (Page 5)

Version 09.00, December 2008 R&S ® FSL Spectrum Analyzer 5
Frequency
R&S ® FSL3 9 kHz to 3 GHz
R&S ® FSL6 9 kHz to 6 GHz
Frequency range
R&S ® FSL18 9 kHz to 18 GHz (overrange 20 GHz)
Frequency resolution 1 Hz
Reference frequency, internal, nominal
Aging per year
1 × 10 –6
Temperature drift 0 °C to +50 °C 1 × 10 –6
Reference frequency, internal, nominal R&S ® FSL-B4 OCXO reference frequency
option, standard with the R&S ® FSL18
Aging per year 1 × 10 –7
Temperature drift 0 °C to +50 °C 1 × 10 –7
Frequency readout
Marker resolution
1 Hz
Uncertainty ±(marker frequency × reference
uncertainty + 10 % × resolution bandwidth
+ ½ (span / (sweep points – 1)) + 1 Hz)
default span / 500 Marker tuning frequency step size
marker step size = sweep points span / (sweep points – 1)
Frequency counter resolution 1 Hz
Count uncertainty S/N > 25 dB ±(frequency × reference uncertainty +
½ (last digit))
Frequency span 0 Hz, 10 Hz to 3/6/20 GHz
Span uncertainty 3 %
Spectral purity SSB phase noise f = 500 MHz
1 kHz typ. –95 dBc (1 Hz)
10 kHz <–98 dBc (1 Hz), typ. –103 dBc (1 Hz)
100 kHz <–98 dBc (1 Hz), typ. –105 dBc (1 Hz)
Carrier offset
1 MHz <–115 dBc (1 Hz), typ. –120 dBc (1 Hz)
Sweep time
span = 0 Hz 1 µs to 5 µs in 125 ns steps
5 µs to 16000 s in 5 % steps
10 Hz ≤ span ≤ 3.2 kHz 2.5 ms to 5 s/Hz × span
3.2 kHz < span ≤ 1.5 GHz 2.5 ms to 16000 s
1.5 GHz < span ≤ 3 GHz 5 ms to 16000 s
Sweep time
span > 3 GHz 10 ms to 16000 s
span = 0 Hz nominal 0.1 % Uncertainty
span ≥ 10 Hz nominal 3 %