Spectrum Analyzer ¸FSU
Specifi cations
Version
09.00
April
2005
Specifi cations
SPECIFICATIONS.............................................................................................................................................................................................. 3
FREQUENCY..................................................................................................................................................................................................... 3
SWEEP ............................................................................................................................................................................................................ 4
RESOLUTION BANDWIDTHS ............................................................................................................................................................................... 4
LEVEL .............................................................................................................................................................................................................. 5
I/Q DATA .......................................................................................................................................................................................................... 8
AUDIO DEMODULATION ..................................................................................................................................................................................... 8
TRIGGER FUNCTIONS ........................................................................................................................................................................................ 8
INPUTS AND OUTPUTS (FRONT PANEL) ............................................................................................................................................................... 8
INPUTS AND OUTPUTS (REAR PANEL) ................................................................................................................................................................. 9
GENERAL SPECIFICATIONS.............................................................................................................................................................................. 10
TRACKING GENERATOR R&S FSU-B9, ATTENUATOR R&S FSU-B12 FOR TRACKING GENERATOR .................................................................. 11
LO/IF PORTS FOR EXTERNAL MIXERS R&S FSU-B21 (FOR R&S FSU26, R&S FSU46 AND R&S FSU50 ONLY) ............................................. 13
Inputs and outputs (front panel) ............................................................................................................................................................... 13
RF PREAMPLIFIER R&S FSU-B23 (FOR R&S FSU26 ONLY, REQUIRES OPTION R&S FSU-B25)...................................................................... 13
ELECTRONIC ATTENUATOR R&S FSU-B25 ..................................................................................................................................................... 14
BROADBAND FM DEMODULATOR OUTPUT R&S FSU-B27 ................................................................................................................................ 15
ORDERING INFORMATION ............................................................................................................................................................................ 16
OPTIONS........................................................................................................................................................................................................ 16
RECOMMENDED EXTRAS ................................................................................................................................................................................. 17
2 Spectrum Analyzer R&S FSU Version 09.00, April 2005
Specifications
Specifications are valid under the following conditions:
30 minutes warm-up time at ambient temperature, specified environmental conditions met, calibration cycle adhered to, and total
calibration performed. Data without tolerances: typical values only. Data designated 'nominal' applies to design parameters and is not
tested.
Frequency
Frequency range
R&S FSU3: DC coupled 20 Hz to 3.6 GHz
AC coupled 1 MHz to 3.6 GHz
R&S FSU8: DC coupled 20 Hz to 8 GHz
AC coupled 1 MHz to 8 GHz
R&S FSU26: DC coupled 20 Hz to 26.5 GHz
AC coupled 10 MHz to 26.5 GHz
R&S FSU46: DC coupled 20 Hz to 46 GHz
R&S FSU50: DC coupled 20 Hz to 50 GHz
Frequency resolution
0.01 Hz
Reference frequency, internal, nominal
Aging per day after 30 days of continuous operation 1 × 10
Aging per year after 30 days of continuous operation 1 × 10
standard OCXO
–9
–7
Temperature drift +5° C to +45° C 8 × 10–8
Total error per year 1.8 × 10–7
Reference frequency, internal, nominal option R&S FSU-B4
Aging per day after 30 days of continuous operation 2 × 10
Aging per year after 30 days of continuous operation 3 × 10
–10
–8
Temperature drift +5° C to +45° C 1 × 10–9
Total error per year 5 × 10–8
External reference frequency
1 MHz to 20 MHz, 1 Hz steps
Frequency display
with marker or frequency counter
Marker resolution span/624
Maximum deviation sweep time >3 × auto sweep time ±(marker frequency × reference error +
0.5% × span +10% × resolution
bandwidth + ½ (last digit))
Frequency counter resolution selectable 0.1 Hz to 10 kHz
Count accuracy S/N >25 dB ±(frequency × reference error + ½ (last
digit))
Display range for frequency axis 0 Hz, 10 Hz to max. frequency
Resolution 0.1 Hz
Max. span deviation 1%
Spectral purity,
SSB phase noise (1 Hz)
f = 640 MHz
Residual FM RBW 10 kHz, RMS 1 Hz nominal
Carrier offset 10 Hz –73 dBc, nominal
10 Hz with option R&S FSU-B4 fitted –86 dBc, nominal
100 Hz
1 kHz
10 kHz
100 kHz
1 MHz
<–98 dBc
<–116 dBc
<–128 dBc
<–128 dBc
<–140 dBc
1
,<–90 dBc, typ. –104 dBc1
1
, <–112dBc, typ. –124 dBc1
1
, <–120 dBc, typ. –133 dBc1
1
, <–120 dBc, typ. –133 dBc1
1
, <–138 dBc, typ. –146 dBc1
10 MHz typ. –160 dBc
1
Valid as of serial number 200000.
Version 09.00, April 2005 Spectrum Analyzer R&S FSU 3
0
SSB phase noise (dBc(1Hz))
-20
-40
-60
-80
-100
-120
-140
-160
-180
10 Hz 100 Hz 1 kHz 10 kHz 100 kHz 1 MHz 10 MHz
R&S FSU center frequency 200 MHz
R&S FSU center frequency 1 GHz
R&S FSU center frequency 5 GHz
R&S FSU center frequency 25 GHz
R&S FSU center frequency 50 GHz
Sweep
Sweep time time sweep, span = 0 Hz
Max. deviation of sweep time 3%
Measurement in time domain
frequency sweep, span ≥ 10 Hz 2.5 ms to 16000 s in steps ≤10%
1 µs to 16000 s in 5% steps
with marker and cursor lines
(resolution 31.25 ns)
Resolution bandwidths
Sweep filters
3 dB bandwidths
Bandwidth uncertainty
10 Hz to 100 kHz (digital) <3%
200 kHz to 5 MHz (analog) <10%
10 MHz –30% to +10%
20 MHz –20% to +20%
Shape factor 60 dB:3 dB
200 kHz to 2 MHz <12
3 MHz to 10 MHz <7
20 MHz, 50 MHz <6, nominal
FFT filters
3 dB bandwidths 1 Hz to 30 kHz in 1/2/3/5 sequence
Bandwidth uncertainty 5%, nominal
Shape factor 60 dB:3 dB <3, nominal
EMI filters
6 dB bandwidths 200 Hz, 9 kHz, 120 kHz
Bandwidth uncertainty 3%, nominal
Shape factor 60 dB:3 dB <6, nominal
50 MHz, f ≤ 3.6 GHz
50 MHz, f > 3.6 GHz
≤100 kHz
10 Hz to 20 MHz in 1/2/3/5 sequence, 50
MHz
–20% to +20%
–30% to +100%
<6
4 Spectrum Analyzer R&S FSU Version 09.00, April 2005
Channel filters
Bandwidths 100, 200, 300, 500 Hz,
Shape factor 60 dB:3 dB <2, nominal
Bandwidth uncertainty 2%, nominal
Video bandwidths
1 Hz to 10 MHz in 1/2/3/5 sequence
1, 1.5, 2, 2.4, 2.7, 3, 3.4, 4, 4.5, 5, 6,
8.5, 9, 10, 12.5, 14, 15, 16, 18 (RRC),
20, 21, 24.3 (RRC), 25, 30, 50, 100,
150, 192, 200, 300, 500 kHz,
1, 1.2288, 1.28 (RRC), 1.5, 2, 3, 3.84
(RRC), 4.096 (RRC), 5 MHz
Level
Display range displayed noise floor to +30 dBm
Maximum input level
DC voltage RF input AC coupled
CW RF power RF attenuation 0 dB
Pulse spectral density
Max. pulse voltage
Max. pulse energy
Intermodulation
1 dB compression of input mixer 0 dB RF attenuation
Third-order intercept point (TOI)
Second harmonic intercept (SHI) f <100 MHz
RF input DC coupled
RF attenuation ≥10 dB
RF attenuation ≥10 dB
RF attenuation ≥10 dB, 10 µs
≤3.6 GHz
>3.6 GHz
R&S FSU8
R&S FSU26, R&S FSU46, R&S FSU50
level 2 × –10 dBm, ∆f >5 × RBW or 10
kHz, whichever is larger
R&S FSU3:
10 MHz ≤ f < 300 MHz
300 MHz ≤ f ≤ 3.6 GHz
R&S FSU8:
10 MHz ≤ f < 300 MHz
300 MHz ≤ f ≤ 3.6 GHz
3.6 GHz ≤ f ≤ 8 GHz
R&S FSU26, R&S FSU46, R&S FSU50:
10 MHz ≤ f < 300 MHz
300 MHz ≤ f < 3.6 GHz
3.6 GHz ≤ f < 26.5 GHz
R&S FSU46:
26.5 GHz ≤ f ≤ 40 GHz
f > 40 GHz
R&S FSU50:
26.5 GHz ≤ f < 28 GHz
28 GHz ≤ f ≤ 40 GHz
f > 40 GHz
100 MHz < f ≤ 400 MHz
400 MHz < f ≤ 500 MHz
500 MHz < f ≤ 1 GHz
1 GHz < f ≤ 1.8 GHz
> 1.8 GHz
50 V
0 V
20 dBm (= 0.1 W)
30 dBm (= 1 W)
97 dBµV/MHz
150 V
1 mWs
+13 dBm, nominal
+10 dBm, nominal
+7 dBm, nominal
>17 dBm, typ. 20 dBm
>19 dBm, typ. 25 dBm
>17 dBm, typ. 20 dBm
>20 dBm, typ. 25 dBm
>18 dBm, typ. 23 dBm
>17 dBm, typ. 20 dBm
>22 dBm, typ. 27 dBm
>12 dBm, typ. 15 dBm
>12 dBm, typ. 15 dBm
12 dBm, nominal
>8 dBm, typ. 11 dBm
>12 dBm, typ. 15 dBm
12 dBm, nominal
>35 dBm
>45 dBm, typ. 55 dBm
>52 dBm, typ. 60 dBm
>45 dBm, typ. 55 dBm
>35 dBm
80 dBm, nominal
Version 09.00, April 2005 Spectrum Analyzer R&S FSU 5
Displayed average noise level
0 dB RF attenuation, termination 50 Ω,
RBW = 1 kHz, VBW = 3 kHz, zero span,
R&S FSU3
R&S FSU8
R&S FSU26
R&S FSU46
R&S FSU50
Maximum dynamic range
1 dB compression to DANL (1 Hz) 170 dB
Immunity to interference
Image frequency f ≤ 3.6 GHz
Intermediate frequency f ≤ 3.6 GHz
Spurious response f >1 MHz, without input signal,
Other interfering signals ∆f >100 kHz
sweep time 50 ms, trace average, sweep
count = 20, mean marker,
normalized to 10 Hz RBW
20 Hz
100 Hz
1 kHz
10 kHz
100 kHz
1 MHz
10 MHz
20 MHz ≤ f < 2.0 GHz
2.0 GHz ≤ f ≤ 3.0 GHz
3.0 GHz ≤ f ≤ 3.6 GHz
20 MHz ≤ f < 2.0 GHz
2.0 GHz ≤ f < 3.0 GHz
3.0 GHz ≤ f < 7 GHz
7 GHz ≤ f < 8 GHz
20 MHz ≤ f < 2 GHz
2 GHz ≤ f < 3.6 GHz
3.6 GHz ≤ f < 8 GHz
8 GHz ≤ f < 13 GHz
13 GHz ≤ f < 18 GHz
18 GHz ≤ f < 22 GHz
22 GHz ≤ f < 26.5 GHz
20 MHz ≤ f < 2 GHz
2 GHz ≤ f < 13 GHz
13 GHz ≤ f < 18 GHz
18 GHz ≤ f < 22 GHz
22 GHz ≤ f < 26.5 GHz
26.5 GHz ≤ f < 40 GHz
40 GHz ≤ f < 46 GHz
20 MHz ≤ f < 2 GHz
2 GHz ≤ f < 13 GHz
13 GHz ≤ f < 18 GHz
18 GHz ≤ f < 22 GHz
22 GHz ≤ f < 26.5 GHz
26.5 GHz ≤ f < 32 GHz
32 GHz ≤ f < 46 GHz
46 GHz ≤ f < 50 GHz
f > 3.6 GHz
f > 40 GHz
3.6 GHz < f ≤ 4.2 GHz
f > 4.2 GHz
0 dB RF attenuation
mixer level <–10 dBm, f ≤ 2.3 GHz
mixer level <–35 dBm, 2.3 GHz <f< 4 GHz
mixer level <–10 dBm
4 GHz ≤ f < 8 GHz
8 GHz ≤ f < 16 GHz
16 GHz ≤ f < 26 GHz
26.5 GHz ≤ f < 40 GHz
f ≥ 40 GHz
<–80 dBm
<–100 dBm
<–110 dBm
<–120 dBm
<–120 dBm
<–130 dBm
<–143 dBm
<–145 dBm, typ. –148 dBm
<–143 dBm, typ. –147 dBm
<–142 dBm, typ. –146 dBm
<–145 dBm, typ. –148 dBm
<–143 dBm, typ. –145 dBm
<–142 dBm, typ. –144 dBm
<–140 dBm, typ. –142 dBm
<–142 dBm, typ. –146 dBm
<–140 dBm, typ. –143 dBm
<–142 dBm, typ. –146 dBm
<–140 dBm, typ. –143 dBm
<–138 dBm, typ. –141 dBm
<–137 dBm, typ. –140 dBm
<–135 dBm, typ. –138 dBm
<–142 dBm, typ. –146 dBm
<–140 dBm, typ. –143 dBm
<–138 dBm, typ. –141 dBm
<–137 dBm, typ. –140 dBm
<–135 dBm, typ. –138 dBm
<–128 dBm, typ. –131 dBm
<–123 dBm, typ. –128 dBm
<–142 dBm, typ. –146 dBm
<–140 dBm, typ. –143 dBm
<–138 dBm, typ. –141 dBm
<–137 dBm, typ. –140 dBm
<–135 dBm, typ. –138 dBm
<–128 dBm, typ. –131 dBm
<–123 dBm, typ. –126 dBm
<–118 dBm, typ. –121 dBm
>90 dB, typ. >110 dB
>70 dB, typ. >100 dB
typ. 70 dB
>90 dB, typ. >110 dB
typ. 70 dB
>70 dB, typ. >90 dB
<–103 dBm
<–80 dBc
<–70 dBc
<–70 dBc
<–64 dBc
<–58 dBc
<–52 dBc
<–52 dBc, nominal
6 Spectrum Analyzer R&S FSU Version 09.00, April 2005
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