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
Level display
Screen 625 × 500 pixel (one diagram), max. 2
Logarithmic level axis 1 dB to 200 dB, in steps of 1/2/5
Linear level axis 10% of reference level per level division,
Number of traces 1 measurement diagram
2 measurement diagrams
Trace detector Max Peak, Min Peak, Auto Peak
Number of measurement points default value
range
Trace functions Clear/Write, Max Hold, Min Hold, Average
Trace update rate local measurement, display update rate,
Setting range of reference level logarithmic level display –130 dBm to (+5 dBm + RF attenuation),
Units of level axis logarithmic level display
Level measurement uncertainty
Absolute level uncertainty at 128 MHz RBW = 10 kHz, level –30 dBm,
Frequency response
referenced to 128 MHz
Attenuator switching uncertainty f = 128 MHz
Uncertainty of reference level setting RF attenuation 10 dB,
Display nonlinearity
Logarithmic level display RBW ≤ 100 kHz or channel filters,
200 kHz ≤ RBW ≤10 MHz, S/N >16 dB
Linear level display 5% of reference level
Bandwidth switching error referenced to RBW = 10 kHz
625 points, zero span
remote measurement, display off:
zero span / sweep time 1 ms
span = 10 MHz, sweep time 2.5 ms
linear level display 7.0 nV to 7.07 V in steps of 1%
linear level display
reference level –30 dBm,
RF attenuation 10 dB
DC coupling, RF attenuation ≥10 dB,
+20 °C to +30 °C
10 MHz ≤ f < 3.6 GHz
3.6 GHz ≤ f < 8 GHz, span < 1 GHz
8 GHz ≤ f < 22 GHz, span < 1 GHz
22 GHz ≤ f < 26.5 GHz, span < 1 GHz
26.5 GHz ≤ f < 40 GHz, span < 1 GHz
40 GHz ≤ f < 50 GHz, span < 1 GHz,
RF attenuation ≤ 40 dB
f ≥ 3.6 GHz, span ≥ 1 GHz
+5 °C to +45 °C
10 MHz ≤ f <3.6 GHz
3.6 GHz ≤ f < 26.5 GHz
f ≥ 26.5 GHz
0 to 70 dB, referenced to 10 dB
attenuation
referenced to –10 dBm reference level
setting
+20 °C to +30 °C, mixer level ≤–10 dBm)
S/N >20 dB
0 dB to –70 dB
–70 dB to –90 dB
0 dB to –50 dB
–50 dB to –70 dB
RBW >10 MHz, S/N >16 dB
0 dB to –50 dB
1 Hz to 100 kHz
200 kHz to 3 MHz
5 MHz to 50 MHz
FFT filter 1 Hz to 3 kHz
diagrams with independent settings
10 divisions or logarithmic scaling
3
6
(Normal), Sample, RMS, Average, Quasi
Peak
625
155 to 10001 in steps of about a factor of
2
80 per second
70 per second
50 per second
max. 30 dBm, in steps of 0.1 dB
dBm, dBµV, dBmV, dBµA, dBpW
µV, mV, µA, mA, pW, nW
<0.2 dB (σ = 0.07 dB)
<0.3 dB (σ = 0.1 dB)
<1.5 dB (σ = 0.5 dB)
<2 dB (σ = 0.7 dB)
<2.5 dB (σ = 0.8 dB)
<2.5 dB (σ = 0.8 dB)
<3 dB (σ = 1.0 dB)
add 0.5 dB to above values
<0.6 dB (σ = 0.2 dB)
add 0.5 dB to above values
add 1.0 dB to above values
<0.2 dB (σ = 0.07 dB)
<0.15 dB (σ = 0.05 dB)
<0.1 dB (σ = 0.03 dB)
<0.3 dB (σ =0.1 dB)
<0.2 dB (σ =0.07 dB)
<0.5 dB (σ =0.17 dB)
<0.5 dB (σ =0.17 dB)
<0.1 dB (σ =0.03 dB)
<0.2 dB (σ =0.07 dB)
<0.5 dB (σ =0.15 dB)
<0.2 dB (σ =0.07 dB)
Version 09.00, April 2005 Spectrum Analyzer R&S FSU 7
Total measurement uncertainty
0 dB to –70 dB, S/N >20 dB,
span/RBW <100, 95% confidence level,
20 °C to 30 °C, mixer level ≤–10 dBm
f < 3.6 GHz, RBW ≤100 kHz
f < 3.6 GHz, RBW >100 kHz
3.6 GHz ≤ f <8 GHz
8 GHz ≤ f <18 GHz
18 GHz ≤ f <26.5 GHz
26.5 GHz ≤ f < 40 GHz
40 GHz ≤ f < 50 GHz
0.3 dB
0.5 dB
2.0 dB
2.5 dB
3.0 dB
3.0 dB
3.5 dB
I/Q data
Interface GPIB or LAN interface
Memory length max. 512 k samples I and Q
Sample length 24 bit, each I and Q
Sample rate settable in steps of 0.5
(32 MHz × 2–n, n = 0 to 11)
Max. signal bandwidth sample rate ≤2 MHz
4 MHz
8 MHz
16 MHz
32 MHz
IF pre-filter bandwidth 300 kHz to 10 MHz, 1/2/3/5 steps
15.625 kHz to 32 MHz
0.8 × sample rate
2.8 MHz
4.8 MHz
7 MHz
9 MHz
Audio demodulation
AF demodulation types AM and FM
Audio output loudspeaker and phone jack
Marker stop time in spectrum mode 100 ms to 60 s
Trigger functions
Trigger
Trigger source free run, video, external, IF level
Trigger offset
span = 0 Hz ± (125 ns to 100 s), resolution 125 ns
Max. deviation of trigger offset ± (31.25 ns + (0.1% × trigger offset))
Gated sweep
Gate source external, IF level, video
Gate delay
Gate length 125 ns to 100 s,
Max. deviation of gate length
span ≥10 Hz
(mixer level 10 dBm to –50 dBm)
125 ns to 100 s, resolution 125 ns min.
(or 1% of offset)
min., dependent on sweep time
1 µs to 100 s
resolution min. 125 ns or 1% of gate
length
±(31.25 ns + (0.05% × gate length))
Inputs and outputs (front panel)
RF input
Impedance
Connector R&S FSU3, R&S FSU8
R&S FSU26
R&S FSU46
R&S FSU50
VSWR RF attenuation ≥10 dB, DC coupled
f < 3.6 GHz
R&S FSU8:
3.6 GHz ≤ f <8 GHz
R&S FSU26, R&S FSU46, R&S FSU50:
3.6 GHz ≤ f < 18 GHz
18 GHz ≤ f < 26.5 GHz
26.5 GHz ≤ f < 40 GHz
40 GHz ≤ f ≤ 50 GHz
RF attenuation <10 dB or AC coupling 1.5, typical
Setting range of attenuator 0 dB to 75 dB, in 5 dB steps
50 Ω
N female
test port adapter APC 3.5 mm/N female
test port adapter 2.92 mm (K)/N female
test port adapter 2.4 mm/N female
<1.5
<2
<1.8
<2.0
<2.5
<3, nominal
8 Spectrum Analyzer R&S FSU Version 09.00, April 2005
Probe power supply
Supply voltages +15 V DC, –12.6 V DC and ground, max.
Power supply for antennas etc
Supply voltages
Keyboard connector
AF output
Connector
Output impedance
Open-circuit voltage
Power supply for noise source
Output voltage
PS/2 female for MF-2 keyboard
BNC female
150 mA, nominal
5-pin connector
± 10 V and ground, max. 100 mA, nominal
3.5 mm mini jack
10 Ω
up to 1.5 V, adjustable
0 V and 28 V, switchable, nominal
Inputs and outputs (rear panel)
IF 20.4 MHz
Impedance 50 Ω
Bandwidth RBW ≤30 kHz 1.67 × resolution bandwidth, min. 2.6 kHz
RBW = 50 kHz, 100 kHz 400 kHz
200 kHz ≤ RBW ≤10 MHz equal to resolution bandwidth
Level RBW ≤ 100 kHz, FFT filter,
RBW = 200 kHz to 10 MHz,
IF 404.4 MHz
Impedance 50 Ω
Bandwidth RBW >10 MHz equal to resolution bandwidth
Level mixer level ≤0 dBm mixer level typ. –10 dB
Video output
Impedance 50 Ω
Output voltage RBW ≥200 kHz, logarithmic scaling, full
Reference output
Impedance 50 Ω
Output frequency 10 MHz
Level >0 dBm, nominal
Reference input
Impedance 50 Ω
Input frequency range 1 MHz ≤ fin ≤ 20 MHz, in 1 Hz steps
Required level >0 dBm from 50 Ω
Sweep output
Output voltage
External trigger/gate input
Trigger voltage 1.4 V (TTL)
Input impedance ≥10 kΩ
IEC/IEEE bus control
Command set SCPI 1997.0 or HP8566 compatible
Connector 24-pin Amphenol female
Interface functions
mixer level >–70 dBm
mixer level >–50 dBm
active only if RBW >10 MHz
scale
BNC female
–20 dBm at reference level
0 dBm at reference level
BNC female
BNC female
0 V to 1 V (EMF)
BNC female
BNC female
BNC female
0 V to 5 V, proportional to displayed
frequency
BNC female
interface to IEC 625-2 (IEEE 488.2)
SH1, AH1, T6, L4, SR1, RL1, PP1, DC1,
DT1, C0
Version 09.00, April 2005 Spectrum Analyzer R&S FSU 9
LAN interface
USB interface
Serial interface
Printer interface
Mouse interface
Connector for external monitor (VGA)
General specifications
10/100 BaseT, RJ45
type A plug, version 1.1
RS-232-C (COM), 9-pin female
connectors
parallel (Centronics compatible)
PS/2 compatible
15-pin sub-D
Display
Resolution 800 × 600 pixel (SVGA resolution)
Pixel failure rate <1 × 10–5
Mass memory
Mass memory 1.44 Mbyte 3 ½" disk drive, hard disk,
Data storage
Mass memory option R&S FSU-B20 hard disk replaced by a flash disk
Temperature
Temperature operating temperature range
Climatic loading +40 °C at 95% relative humidity
Mechanical resistance
sinusoidal vibration 5 Hz to 150 Hz, max. 2 g at 55 Hz;
random vibration 10 Hz to 100 Hz, acceleration 1 g (RMS)
shock 40 g shock spectrum, meets MIL-STD-
option R&S FSU-B20: random vibration 10 Hz to 300 Hz, acceleration 1.9 g
Recommended calibration interval operation with external reference
RFI suppression meets EMC directive of EU (89/336/EEC)
Power supply
AC supply 100 V to 240 V, 3.1 A to 1.3 A; 50 Hz to
Power consumption R&S FSU3, R&S FSU8
Safety meets EN 61010-1, UL 3111-1,
Test mark VDE, GS, CSA, CSA-NRTL
Dimensions W × H × D in mm 435 × 192 × 460
Weight R&S FSU3
21 cm LC TFT colour display (8.4")
permissible temperature range
storage temperature range
option R&S FSU-B20:
operating temperature range
permissible temperature range
operation with internal reference
R&S FSU26, R&S FSU46, R&S FSU50
R&S FSU8
R&S FSU26
R&S FSU46
R&S FSU50
USB flash disk (not supplied)
>500 instrument settings and traces
+5° C to +40 °C
+0° C to +50 °C
–40°C to +70 °C
0 °C to +50 °C
0 °C to +55 °C
(DIN EN 60068-2-30: 2000-02)
0.5 g from 55 Hz to 150 Hz;
meets DIN EN 60068-2-6: 1996-05,
DIN EN 60068-2-30: 2000-02,
DIN EN 61010-1, MIL-T-28800D, class 5
810C and MIL-T-28800D, classes 3 and 5
(RMS)
2 years
1 year
and German EMC legislation
400 Hz, class of protection I to VDE 411
typ. 130 VA
typ. 150 VA
CSA C22.2 No. 1010-1, DIN EN 61010-1
14.6 kg
15.4 kg
16.5 kg
16.8 kg
16.8 kg
10 Spectrum Analyzer R&S FSU Version 09.00, April 2005
Tracking Generator R&S FSU-B9,
Attenuator R&S FSU-B12 for Tracking Generator
Unless specified otherwise, specifications not valid for frequency range from –3 × RBW to +3 × RBW, however at least not valid
from –100 kHz to +100 kHz. Maximum output level +5 dBm (peak modulation in the case of amplitude-modulated signals).
Frequency
Frequency range 100 kHz to 3.6 GHz
Resolution 1 Hz
Frequency offset
Setting range
Resolution 1 Hz
Spectral purity
SSB phase noise f = 500 MHz, carrier offset 10 kHz
normal mode
with frequency offset
Level
Level setting range
Max. deviation of output level
Absolute f = 128 MHz,
Frequency response referenced to level at 128 MHz,
output level –20 dBm to 0 dBm,
Dynamic range
Attenuation measurement range RBW = 1 kHz, f >10 MHz 100 dB
Harmonics
Spurious, nonharmonics
with FM modulation on
with option R&S FSU-B12
output level –20 dBm to 0 dBm
sweep time >100 ms, +5 °C to +45 °C
100 kHz to 3.6 GHz
output level –30 dBm to –20 dBm,
f= 100 kHz to 3.6 GHz
additional deviation with R&S FSU-B12,
100 kHz to 3.6 GHz
output level –10 dBm
output level 0 dBm
±200 MHz
typ. –120 dBc (1 Hz)
typ. –110 dBc (1 Hz)
typ. –110 dBc (1 Hz)
–30 dBm to +5 dBm in steps of 0.1 dB
–100 dBm to +5 dBm in steps of 0.1 dB
<1 dB (σ = 0.34 dB)
<3 dB, typ. 1.9 dB
3 dB
<1 dB
typ. –30 dBc
typ. –30 dBc
Version 09.00, April 2005 Spectrum Analyzer R&S FSU 11
Modulation
Modulation format external I/Q, AM, FM
Input voltage full scale
AM, FM, V
I/Q
> f
AM
f
Center
Mod
pp
, span = 0 Hz
1 V
22
=+
UU
0.5 V
qi
Modulation depth 0% to 99%
Modulation frequency response 0 Hz to 5 MHz
0 Hz to 30 MHz
> f
FM
f
Center
, span = 0 Hz
Mod
1 dB
3 dB
Frequency deviation full range: 100 Hz, 1 kHz, 10 kHz, 100
kHz, 1 MHz
Modulation frequency range deviation ≤10 MHz
deviation ≤1 MHz
0 Hz to 1 kHz
0 Hz to 100 kHz
Modulation frequency response 0 kHz to 100 kHz 1 dB
> f
I/Q modulation
f
Center
Modulation frequency response 0 Hz to 5 MHz
0 Hz to 30 MHz
Modulation deviation of tracking
generator
I/Q modulation, typical values, baseband
signals generated by the R&S AMIQ
, span = 0 Hz
Mod
1 dB
3 dB
EVM NADC/TETRA/PDC
RMS 2%
peak 4%
PHS
RMS 2%
peak 5%
Phase error GSM/DCS1800/PCS1900
RMS 1.5°
peak 5°
Rho factor IS-95 CDMA 0.997
Inputs and outputs (front panel)
RF output
VSWR
100 kHz ≤ f ≤ 2 GHz
2 GHz ≤ f ≤ 3.6 GHz
N female, 50 Ω
1.2
1.5
Inputs and outputs (rear panel)
TG I/AM IN BNC female
Impedance
50 Ω
Input voltage Vpp 1 V
TG Q/FM IN BNC female
Impedance
50 Ω,
Input voltage Vpp 1 V
12 Spectrum Analyzer R&S FSU Version 09.00, April 2005
LO/IF Ports for External Mixers R&S FSU-B21
(for R&S FSU26, R&S FSU46 and R&S FSU50 only)
LO signal
Frequency range 7.0 GHz to 15.5 GHz
Level +20 °C to +30 °C
+5 °C to +45 °C
IF input
IF frequency 404.4 MHz
Full scale level 2-port mixer
(LO output / IF input, front panel)
3-port mixer (IF input, front panel)
Level uncertainty IF input level –30 dBm, RBW 30 kHz,
2-port mixer, LO output/IF input (front
panel)
+20 °C to +30 °C
+5 °C to +45 °C
3-port mixer, IF input (front panel)
+20 °C to +30 °C
+5 °C to +45 °C
Inputs and outputs (front panel)
Option R&S FSU-B21
LO output / IF input SMA female, 50 Ω
IF input SMA female, 50 Ω
+15.0 dBm ±1 dB
+15.0 dBm ±3 dB
–20 dBm
–20 dBm
<1 dB
<3 dB
<1 dB
<3 dB
RF Preamplifier R&S FSU-B23
(for R&S FSU26 only, requires option R&S FSU-B25)
Level measurement uncertainty
Frequency response preamplifier = on
3.6 GHz to 8 GHz
8 GHz to 22 GHz
Displayed average noise level
0 dB RF attenuation, termination 50 Ω,
preamplifier = off
3.6 GHz to 8 GHz
preamplifier = on
22 GHz to 26.5 GHz
RBW = 1 kHz, VBW = 3 kHz, zero span,
sweep time 50 ms, trace average, sweep
count = 20, mean marker,
normalized to 10 Hz RBW
8 GHz to 26.5 GHz
3.6 GHz to 8 GHz <–152 dBm, typ. –155 dBm
8 GHz to 13 GHz <–149 dBm, typ. –152 dBm
13 GHz to 18 GHz <–147 dBm, typ. –150 dBm
18 GHz to 22 GHz <–144 dBm, typ. –149 dBm
22 GHz to 26.5 GHz <–140 dBm, typ. –145 dBm
<2.0 dB (σ = 0.7 dB)
<2.5 dB (σ = 0.8 dB)
<3.0 dB (σ = 1 dB)
R&S FSU26 specifications + 2 dB
R&S FSU26 specifications + 3 dB
Version 09.00, April 2005 Spectrum Analyzer R&S FSU 13
Electronic Attenuator R&S FSU-B25
Frequency
Frequency range R&S FSU3
R&S FSU8
R&S FSU26
R&S FSU46
R&S FSU50
Setting range
Electronic attenuator 0 dB to 30 dB, in 5 dB steps
Preamplifier 20 dB, switchable
Level measurement uncertainty
Frequency response with preamplifier or electronic attenuator
10 MHz to 50 MHz
50 MHz to 3.6 GHz
3.6 MHz to 8 GHz
Reference error
at 128 MHz, RBW ≤100 kHz, reference
level –30 dBm, RF attenuation 10 dB
electronic attenuator
preamplifier
Displayed average noise level
0 dB RF attenuation, termination 50 Ω,
RBW = 1 KHz, VBW = 3 KHz, zero span,
sweep time 50 ms, trace average,
sweep count = 20, mean marker,
normalized to 10 Hz RBW
preamplifier on
R&S FSU3, R&S FSU8, R&S FSU26
10 MHz to 2.0 GHz
2.0 GHz to 3.6 GHz
R&S FSU8
3.6 GHz to 8 GHz
R&S FSU46, R&S FSU50
10 MHz to 40 MHz
40 MHz to 2 GHz
2 GHz to 3.6 GHz
with the R&S FSU-B25 built in, the
average noise level values displayed by
the base units degrade by (R&S FSU-B25
off):
20 Hz to 3.6 GHz 1 dB
R&S 8, 3.6 GHz to 8 GHz 2 dB
preamplifier off, electronic attenuator 0 dB
20 Hz to 3.6 GHz typ. 2.5 dB
R&S 8, 3.6 GHz to 8 GHz typ. 3.5 dB
Intermodulation
Third-order intercept point (TOI)
electronic attenuator on, ∆f >5 × RBW or
10 kHz
10 MHz to 300 MHz >17 dBm
300 MHz to 3.6 GHz >20 dBm
3.6 GHz to 8 GHz >18 dBm
2
Valid as of R&S FSU-B25 serial number 200000.
2
100 kHz
100 kHz
100 kHz
100 kHz
100 kHz
, 10 MHz to 3.6 GHz
2
, 10 MHz to 8 GHz
2
, 10 MHz to 3.6 GHz
2
, 10 MHz to 3.6 GHz
2
, 10 MHz to 3.6 GHz
<1 dB (σ = 0.34 dB)
<0.6 dB (σ = 0.2 dB)
<2.0 dB (σ = 0.7 dB)
<0.3 dB (σ = 0.1 dB)
<0.3 dB (σ = 0.1 dB)
<–152 dBm
<–150 dBm
<–147 dBm
<–150 dBm
<–152 dBm
<–150 dBm
14 Spectrum Analyzer R&S FSU Version 09.00, April 2005
Broadband FM demodulator output R&S FSU-B27
Frequency deviation
Frequency deviation
Deviation + modulation frequency
FM slope
Frequency Response
DC to 1MHz (<1MHz deviation) < 0,4 dB
4 MHz (<1MHz deviation) 3 dB typ.
Distortion
1 MHz deviation +
Residual FM
LF- Lowpass 100 kHz < 100 Hz RMS
Lowpass filters 3-dB bandwidth 30 kHz, 100 kHz, 300 kHz, 1 MHz
Load impedance 50 Ω 280 mV / MHz ± 20%
1 MHz modulation frequency
≤ 5 MHz
≤ 5 MHz
> 30 dBc
Version 09.00, April 2005 Spectrum Analyzer R&S FSU 15
Ordering information
Order designation Type Order No.
Spectrum Analyzer 20 Hz to 3.6 GHz R&S FSU3 1166.1660.03
Spectrum Analyzer 20 Hz to 8 GHz R&S FSU8 1166.1660.08
Spectrum Analyzer 20 Hz to 26.5 GHz R&S FSU26 1166.1660.26
Spectrum Analyzer 20 Hz to 46 GHz R&S FSU46 1166.1660.46
Spectrum Analyzer 20 Hz to 50 GHz R&S FSU50 1166.1660.50
Accessories supplied
Power cable, operating manual, service manual,
R&S FSU26: test port adapter with 3.5 mm female (1021.0512.00) and N female (1021.0535.00) connector
R&S FSU46: test port adapter with K female (1036.4790.00) and N female (1036.4777.00) connector
R&S FSU50: test port adapter with 2.4 mm female (1088.1627.02) and N female (1036.4777.00) connector
Options
Order designation Type Order No. Retrofittable Remarks
Options
OCXO, low aging / improved phase noise at 10 Hz
carrier offset
Tracking Generator, 100 kHz to 3.6 GHz R&S FSU-B9 1142.8994.02 yes
External Generator Control R&S FSP-B10 1129.7246.02 yes
Output Attenuator, 0 dB to 70 dB, for R&S FSU-B9 R&S FSU-B12 1142.9349.02 yes requires R&S FSU-B9
Removable Hard Disk R&S FSU-B18 1145.0242.0x no excludes R&S FSU-
Second Hard Disk for R&S FSU-B18 R&S FSU-B19 1145.0394.0x requires R&S FSU-B18
Extended Environmental Specifications R&S FSU-B20 1155.1606.08 no
LO/IF Ports for External Mixers R&S FSU-B21 1157.1090.02 yes only for R&S FSU26,
20 dB Preamplifier, 3.6 GHz to 26.5 GHz, for
R&S FSU26
Electronic Attenuator, 0 dB to 30 dB,
and 20 dB Preamplifier (3.6 GHz)
Broadband FM demodulator output, max. dev. 5MHz R&S FSU-B27 1157.2000.02 yes
Firmware / Software
Noise Measurement Software R&S FS-K3 1057.3028.02 preamplifier
Phase Noise Measurement Software R&S FS-K4 1108.0088.02
GSM/EDGE Application Firmware R&S FS-K5 1141.1496.02
FM Measurement Demodulator R&S FS-K7 1141.1796.02
Bluetooth Application Firmware R&S FS-K8 1157.2568.02
Power Sensor Measurements R&S FS-K9 1157.3006.02
Application Firmware for Noise Figure and Gain
Measurements
Application Firmware for Phase Noise Measurement R&S FS-K40 1161.8138.02
3GPP BTS/Node B FDD Application Firmware R&S FS-K72 1154.7000.02
3GPP UE FDD Application Firmware R&S FS-K73 1154.7252.02
3GPP HSDPA BTS Application Firmware R&S FS-K74 1300.7156.02 requires R&S FS-K72
3GPP TD-SCDMA BTS Application Firmware R&S FS-K76 1300.7291.02
3GPP TD-SCDMA UE Application Firmware R&S FS-K77 1300.8100.02
cdma2000/IS-95(cdmaOne)/1xEV-DV BTS
Application Firmware
CDMA2000/1xEV-DV MS Application Firmware R&S FS-K83 1157.2416.02
CDMA2000 1xEV-DO BTS Application Firmware R&S FS-K84 1157.2851.02
CDMA2000 1xEV-DO MS Application Firmware R&S FS-K85 1300.6689.02
R&S FSU-B4 1144.9000.02 yes
B20
R&S FSU46 and
R&S FSU50
R&S FSU-B23 1157.0907.02 no only for R&S FSU26,
requires R&S FSU-B25
R&S FSU-B25 1044.9298.02 yes
(e.g. R&S FSU-B25)
recommended
R&S FS-K30 1300.6508.02 preamplifier
(e.g. R&S FSU-B25)
recommended
R&S FS-K82 1157.2316.02
16 Spectrum Analyzer R&S FSU Version 09.00, April 2005
Recommended extras
Order designation Type Order No.
Headphones 0708.9010.00
US Keyboard with trackball R&S PSP-Z2 1091.4100.02
IEC/IEEE Bus Cable, 1 m R&S PCK 0292.2013.10
IEC/IEEE Bus Cable, 2 m R&S PCK 0292.2013.20
19” Rack Adapter R&S ZZA-411 1096.3283.00
Adapter for mounting on telescopic rails
(only with 19” Adapter R&S ZZA-411)
Matching pads, 50/75 Ω
L Section, matching at both ends R&S RAM 0358.5414.02
Series Resistor, 25 Ω, matching at one
end (taken into account in instrument
function RF INPUT 75 Ω)
SWR bridges, 50 Ω
SWR Bridge, 5 MHz to 3 GHz R&S ZRB2 0373.9017.5X
SWR Bridge, 40 kHz to 4 GHz R&S ZRC 1039.9492.5X
High power attenuators
100 W, 3/6/10/20/30 dB, 1 GHz R&S RBU100 1073.8495.XX (XX = 03/06/10/20/30)
50 W, 3/6/10/20/30 dB, 2 GHz R&S RBU50 1073.8695.XX (XX = 03/06/10/20/30)
50 W, 20 dB, 6 GHz R&S RDL50 1035.1700.52
Connectors and cables
Probe power connector, 3 pin 1065.9480.02
DC blocks
DC Block, 10 kHz to 18 GHz (type N) R&S FSE-Z4 1084.7443.02
External harmonic mixers (for R&S FSU26, R&S FSU46, R&S FSU50 with option R&S FSU-B21)
Harmonic Mixer 40 GHz to 60 GHz R&S FS-Z60 1089.0799.02
Harmonic Mixer 50 GHz to 75 GHz R&S FS-Z75 1089.0847.02
Harmonic Mixer 60 GHz to 90 GHz R&S FS-Z90 1089.0899.02
Harmonic Mixer 90 GHz to 110 GHz R&S FS-Z110 1089.0976.02
For R&S FSU26 only:
Test port adapter N male 1021.0541.00
Test port adapter 3.5 mm male 1021.0529.00
Microwave Measurement Cable with test
port adapter set N male and 3.5 mm male
For R&S FSU46 only:
Test port adapter N male 1036.4783.00
Test port adapter K male 1036.4802.00
Test port adapter 2.4 mm female R&S FSE-Z5 1088.1627.02
For R&S FSU50 only:
Test port adapter N male 1036.4783.00
Test port adapter K female 1036.4790.00
Test port adapter K male 1036.4802.00
R&S ZZA-T45 1109.3774.00
R&S RAZ 0358.5714.02
R&S FSE-Z15 1046.2002.02
Version 09.00, April 2005 Spectrum Analyzer R&S FSU 17
Certified Quality System
ISO 9001
DQS REG. NO 1954 QM
For product brochure, see PD 0758.0016.12
and www.rohde-schwarz.com
(search term: FSU)
Certified Environmental System
ISO
DQS REG. NO 1954 UM
14001
www.rohde-schwarz.com
Europe: Tel. +49 18 05 12 4242, e-mail: customersupport @rohde-schwarz.com · North America: Tel. +1 410-910-798 8, e-mail: customer.sup port @rsa .rohde-schwar z.co m
Asia: Tel. +65 68 463710, e -mail: customer-service @rssg.rohde-schwarz .com
¸is a registered trademark of Rohde & Schwarz GmbH & Co. KG · Trade names are trademarks of the owners · Printed in Germany (Bi as)
PD 0758.0016.22· ¸FSU · Version 09.00 · April 2005 · Data without tolerance limits is not binding · Subject to change
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