Bandwidths, Level – Atec Rohde-Schwarz-FSH-Z1 User Manual
Page 4
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Version 08.00, June 2011
4
Rohde & Schwarz R&S
®
FSH4/FSH8 Spectrum Analyzer
Bandwidths
Resolution bandwidths
Range
–3 dB bandwidth
1 Hz to 3 MHz in 1/3 sequence
1 Hz ≤ RBW ≤ 300 kHz
nominal < 5 %
Bandwidth accuracy
RBW > 300 kHz
nominal < 10 %
Selectivity 60 dB:3 dB
nominal < 5 (Gaussian type filters)
Video filters
Range
–3 dB bandwidth
1 Hz to 3 MHz in 1/3 sequence
Level
Display range
displayed noise floor to +30 dBm
Maximum rated input level with RF attenuation ≥ 10 dB
model .04/.08/.14/.18
80 V
DC voltage
model .24/.28
50 V
CW RF power
30 dBm (= 1 W)
Peak RF power
duration < 3 s
33 dBm (= 2 W)
Max. pulse voltage
150 V
Max. pulse energy
pulse width 10 µs
10 mWs
Maximum rated input level with RF attenuation < 10 dB
DC voltage
50 V
CW RF power
20 dBm (= 100 mW)
Peak RF power
duration < 3 s
23 dBm (= 200 mW)
Max. pulse voltage
50 V
Max. pulse energy
pulse width 10 µs
1 mWs
Intermodulation
intermodulation-free dynamic range, signal level 2 × –20 dBm, RF attenuation = 0 dB,
RF preamplifier = OFF
f
in
< 300 MHz
> 54 dBc (TOI > +7 dBm, typ. +11 dBm)
300 MHz ≤ f
in
< 3.6 GHz
> 60 dBc (TOI > +10 dBm, typ. +15 dBm)
3.6 GHz ≤ f
in
≤ 8 GHz
> 46 dBc (TOI > +3 dBm, typ. +10 dBm)
intermodulation-free dynamic range, signal level 2 × –40 dBm, RF attenuation = 0 dB,
RF preamplifier = ON
f
in
< 300 MHz
> 50 dBc (TOI > –15 dBm)
Third-order intercept (TOI),
nominal values
300 MHz ≤ f
in
≤ 8 GHz
> 56 dBc (TOI > –12 dBm)
RF attenuation = 0 dB, RF preamplifier = OFF
f
in
= 20 MHz to 1.5 GHz
+40 dBm
f
in
= 1.5 GHz to 3 GHz
+30 dBm
f
in
= 3 GHz to 4 GHz
+20 dBm
RF attenuation 0 dB, RF preamplifier = ON
Second harmonic intercept (SHI),
nominal values
f
in
= 100 MHz to 4 GHz
0 dBm
Displayed average noise level
0 dB RF attenuation, termination 50 Ω, RBW = 100 Hz, VBW = 10 Hz,
sample detector, log scaling, tracking generator OFF, normalized to 1 Hz
frequency
preamplifier = OFF
9 kHz to 100 kHz
(models .04/.14/.08/.18 only)
< –108 dBm, typ. –118 dBm
100 kHz to 1 MHz
< –115 dBm, typ. –125 dBm
1 MHz to 10 MHz
< –136 dBm, typ. –144 dBm
10 MHz to 2 GHz
< –141 dBm, typ. –146 dBm
2 GHz to 3.6 GHz
< –138 dBm, typ. –143 dBm
3.6 GHz to 5 GHz
< –142 dBm, typ. –146 dBm
5 GHz to 6.5 GHz
< –140 dBm, typ. –144 dBm
6.5 GHz to 8 GHz
< –136 dBm, typ. –141 dBm
frequency
preamplifier = ON
100 kHz to 1 MHz
< –133 dBm, typ. –143 dBm
1 MHz to 10 MHz
< –157 dBm, typ. –161 dBm
10 MHz to 1 GHz
< –161 dBm, typ. –165 dBm
1 GHz to 2 GHz
< –159 dBm, typ. –163 dBm
2 GHz to 5 GHz
< –155 dBm, typ. –159 dBm
5 GHz to 6.5 GHz
< –151 dBm, typ. –155 dBm
6.5 GHz to 8 GHz
< –147 dBm, typ. –150 dBm