Instruction Manual

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