Key facts
- Unparalleled low phase noise and best sensitivity on the market
- 8.3 GHz internal analysis bandwidth
- 800 MHz real-time analysis bandwidth
- SCPI recorder simplifies code generation
- High dynamic range enables outstanding EVM performance
Key facts
Experience everyday excellence with the FSW, the high-performance signal and spectrum analyzer that redefines precision. Ideal for a variety of applications – from complex communication systems to RF components – this powerful analyzer is your trusted partner for reliable measurements and unparalleled phase noise performance. Whether developing high-performance radars or characterizing wideband components, the wide internal analysis bandwidth and exceptional accuracy of the FSW set signal analysis standards. You can trust the FSW for the most demanding tasks, day after day.
Quick links
RF performance that meets exacting demands
The FSW redefines the top-of-the-line signal and spectrum analyzers, offering superior RF phase noise, displayed average noise level, intermodulation suppression and dynamic range for ACLR and harmonic measurements.
Phase noise
Phase noise at 10 GHz carrier frequency at 10 kHz offset from the carrier: typ. –133 dBc (1 Hz).
Designed for convenience
Convenient user interface
Advanced FSW with 12.1 inch high resolution, multitouch display and much more.
In-depth 5G physical layer signal analysis
R&S®FSW-K144 5G NR downlink application
R&S®FSW-K144 detects and sets many parameters automatically, giving you more time to concentrate on insights from the detailed analysis.
Fast and comprehensive radar signal analysis
In addition to wide analysis bandwidth (up to 8.3 GHz), FSW analysis functions essential for radar testing.
R&S®FSW-K6 pulse measurement option
The R&S®FSW-K6 pulse measurement application measures all relevant pulse parameters at the touch of a button.
Image-free wideband signal analysis in the E band
The R&S®FSW85 signal and spectrum analyzer features a YIG preselector for frequencies between 8 GHz and 85 GHz, providing image-free spectrum analysis. The wide analysis bandwidth (up to 8.3 GHz) combined with the R&S®FSW-K60/-K60C transient analysis/chirp measurement option allows you to characterize up to 5 GHz wide FMCW signals such as those used in automotive radars.
Automotive radar measurements
FMCW signal with 2 GHz bandwidth at 77 GHz measured with the R&S®FSW-K60C option and the R&S®FSW-B2001 2 GHz internal bandwidth extension
High-performance measurement solutions for designing, developing and testing satellite payloads, payload subsystems and components
The FSW offers dedicated measurement applications for the most critical measurements such as group delay, linearity, gain transfer, noise power ratio (NPR), etc. It also demodulates satellite RF signals of several standards such as DVB-S2X and OneWeb. The FSW scalable, wide analysis bandwidth (up to 8.3 GHz) meets the increasing demand for wide signal bandwidths.
R&S®FSW-K17 multicarrier group delay measurements
Measures absolute and relative group delay with high accuracy within milliseconds.
Don’t miss a thing with the real-time spectrum analysis option
The FSW real-time options allow users to reliably detect extremely short sporadic interference in the nanosecond range even in close proximity to powerful carriers – in a bandwidth of up to 800 MHz. Real-time spectrum analysis enables users to analyze existing frequency hopping algorithms and create alternative ones to prevent collisions between signals of different standards operating in the same frequency band.
Real-time spectrum of the ISM band at 2.4 GHz
Analyzes and prevents collisions between signals of different standards operating in the same frequency band (e.g. WLAN and Bluetooth®).
Digital signal analysis
The R&S®FSW-K70 vector signal analysis option enables users to flexibly analyze digitally modulated single carriers down to the bit level. The clearly structured operating concept simplifies measurements despite a wide range of analysis tools.The R&S®FSW-K70M allows analysis of signals with two different modulation schemes, such as DVB-S2X signals.The R&S®FSW-K70P extension measures the raw bit error rate (BER) on PRBS data up to PRBS23.
Analysis of a 1024QAM modulated signal
Constellation diagram, result table, symbol table and EVM distribution.
Order number 1331.5003.08
Order number 1331.5003.13
Order number 1331.5003.26
Order number 1331.5003.43
Order number 1331.5003.50
Order number 1331.5003.67
Order number 1331.5003.85
Order number 1313.0703.02
OCXO precision frequency reference
Order number 1313.2464.02
Resolution bandwidth up to 80 MHz
for R&S®FSW43 / R&S®FSW50 / R&S®FSW67 / R&S®FSW85
Export license required.
Order number 1313.2464.26
Resolution bandwidth up to 80 MHz
for R&S®FSW8 / R&S®FSW13 / R&S®FSW26
Order number 1338.6911.02
Resolution bandwidth 40 MHz
Order number 1313.0761.02
Highpass filter for harmonic measurements
Order number 1313.0990.02
Electronic attenuator, 1 dB steps
for R&S®FSW8 / R&S®FSW13 / R&S®FSW26
Order number 1331.7693.02
Frequency extension, 90 GHz
for R&S®FSW85 only;
without preselection for f > 85 GHz
Order number 1313.0832.13
RF preamplifier, 100 kHz to 13.6 GHz
for R&S®FSW8 / R&S®FSW13
Order number 1313.0832.26
RF preamplifier, 100 kHz to 26.5 GHz
for R&S®FSW26
Order number 1313.0832.43
RF preamplifier, 100 kHz to 43.5 GHz
for R&S®FSW43 / R&S®FSW67
No export license required.
Order number 1313.0832.49
RF preamplifier, 100 kHz to 50 GHz
for R&S®FSW50
No export license required.
Order number 1313.0832.51
RF preamplifier, 100 kHz to 50 GHz
for R&S®FSW50
Export license required.
Order number 1313.0832.66
RF preamplifier, 100 kHz to 67 GHz
for R&S®FSW67
No export license required.
Order number 1313.0832.67
RF preamplifier, 100 kHz to 67 GHz
for R&S®FSW67
Export license required.
Order number 1313.0861.02
40 MHz analysis bandwidth
Order number 1313.0878.02
80 MHz analysis bandwidth
Order number 1325.4850.14
160 MHz analysis bandwidth
Order number 1325.4867.14
320 MHz analysis bandwidth
Order number 1331.7106.14
512 MHz analysis bandwidth
Order number 1331.6400.14
1200 MHz analysis bandwidth
Not available for the R&S®FSW8 and R&S®FSW13. Not in combination with R&S®FSW-B2000.
Order number 1331.6916.14
2000 MHz analysis bandwidth
Not available for the R&S®FSW8 and R&S®FSW13. Not in combination with R&S®FSW-B2000.
Order number 1338.5215.14
4400 MHz analysis bandwidth
Not available for R&S®FSW8, R&S®FSW13 and R&S®FSW26
Order number 1338.5221.14
6400 MHz analysis bandwidth
Not available for R&S®FSW8, R&S®FSW13 and R&S®FSW26
Order number 1338.5238.14
8312 MHz analysis bandwidth
Not available for R&S®FSW8, R&S®FSW13 and R&S®FSW26
Order number 1325.4750.02
2 GHz analysis bandwidth
R&S®RTO2044 / R&S®RTO1044 oscilloscope required. Not available for the R&S®FSW8 and R&S®FSW13.
Order number 1331.6997.85
5 GHz analysis bandwidth
Available for the R&S®FSW85. R&S®RTO2064 oscilloscope required. Not available in combination with R&S®FSW-B2000.
Order number 1331.6997.43
5 GHz analysis bandwidth
Available for the R&S®FSW43. R&S®RTO2064 oscilloscope required. Not available in combination with R&S®FSW-B2000.
Order number 1313.1100.28
LO/IF connections for external mixers
for R&S®FSW26 / R&S®FSW43 / R&S®FSW50 / R&S®FSW67
Order number 1313.1100.86
LO/IF connections for external mixers
for R&S®FSW85
Order number 1313.0784.02
Digital baseband interface
Order number 1331.6980.02
DIG IQ 40G streaming out interface
R&S®FSW-B512/-U512/-B1200/-U1200/-B2001/-U2001/-B800R required
Order number 1350.7008.02
DIG IQ 40G streaming out interface 1GHz
R&S®FSW-B1200/-U1200/-B2001/-U2001/-B800R required
Order number 1313.1651.13
Analog baseband inputs, 40 MHz analysis bandwidth
for R&S®FSW8 / R&S®FSW13
Order number 1313.1651.26
Analog baseband inputs, 40 MHz analysis bandwidth
for R&S®FSW26 / R&S®FSW43 / R&S®FSW50
Order number 1313.1651.67
Analog baseband inputs, 40 MHz analysis bandwidth
for R&S®FSW67
Order number 1313.1651.86
Analog baseband inputs, 40 MHz analysis bandwidth
for R&S®FSW85
Order number 1313.6547.02
80 MHz analysis bandwidth for analog baseband inputs
R&S®FSW-B71 required
Order number 1331.8302.02
Oscilloscope baseband inputs
Order number 1331.6451.02
I/Q memory extension, 6 GB
R&S®FSW-B160/‑U160/‑B320 required
Order number 1331.6751.02
I/Q memory extension, 8 GB
R&S®FSW-B1200, R&S®FSW-B2001 or R&S®FSW-B800R required
Order number 1338.5273.02
I/Q memory extension 24 Gbyte
Requires R&S®FSW-B4001, R&S®FSW-B6001 or R&S®FSW-B8001.
Order number 1313.1622.02
External generator control
Order number 1313.0790.10
Spare solid state drive (removable hard drive)
Order number 1353.3290.02
USB-B port for instrument control
Order number 1313.1368.02
GSM/EDGE/EDGE evolution/VAMOS measurements
Order number 1313.1422.02
3GPP FDD (WCDMA) BS measurements (incl. HSDPA and HSDPA+)
Order number 1313.1439.02
3GPP FDD (WCDMA) MS measurements (incl. HSUPA and HSUPA+)
Order number 1313.1445.02
TD-SCDMA BS measurements
Order number 1313.1451.02
TD-SCDMA UE measurements
Order number 1313.1468.02
CDMA2000® BS measurements
Order number 1313.1474.02
CDMA2000® MS measurements
Order number 1313.1480.02
1xEV-DO BS measurements
Order number 1313.1497.02
1xEV-DO MS measurements
Order number 1313.1545.02
UTRA/LTE FDD BS measurements
Order number 1313.1551.02
EUTRA/LTE FDD UE measurements
Order number 1313.1568.02
EUTRA/LTE advanced and MIMO measurements (downlink)
Order number 1313.2487.02
EUTRA/LTE advanced UL measurements
Order number 1313.1574.02
EUTRA/LTE TDD BS measurements
Order number 1313.1580.02
EUTRA/LTE TDD uplink measurements
Order number 1331.6351.02
EUTRA/LTE NB-IoT downlink measurements
Order number 1331.7370.02
VERIZON 5GTF downlink measurements
Order number 1331.8060.02
VERIZON 5GTF uplink measurements
Order number 1338.3606.02
5G-NR downlink measurements
Order number 1338.3612.02
3GPP 5G-NR uplink measurements
Order number 1338.6486.02
5G NR combined ACLR/SEM/EVM measurements
Requires R&S®FSW-K144 or R&S®FSW-K145
Order number 1351.1355.02
5G NR multi-CC combined ACLR/SEM/EVM measurements
Requires R&S®FSW‑K147
Order number 1350.6624.02
5G NR Rel. 16 extension for uplink/downlink measurements
Order number 1350.7108.02
5G NR Rel. 17 extension for uplink/downlink measurements
Order number 1353.2642.02
O-RAN measurements
Requires R&S®FSW-K144 or R&S®FSW-K145
Order number 1313.1351.02
Bluetooth BR/EDR/LE measurements
Order number 1350.6930.02
HRP UWB measurements
Order number 1313.1500.02
WLAN 802.11a/b/g measurements
Order number 1313.1516.02
WLAN 802.11n measurements
Order number 1313.4209.02
WLAN 802.11ac measurements
Order number 1331.6345.02
WLAN 802.11ax measurements
Order number 1350.6730.02
WLAN 802.11be measurements
Order number 1321.5646.02
WLAN 802.11p measurements
Order number 1313.1639.02
WLAN 802.11ad measurements
Order number 1338.4902.02
WLAN 802.11ay measurements
Order number 1313.1339.02
Analog modulation analysis for AM/FM/φM
Order number 1325.2170.02
Amplifier measurements
Order number 1331.6845.02
Direct DPD measurements
Order number 1338.7230.02
Frequency response and group delay measurements
Order number 1345.1470.02
Memory polynomial DPD
(R&S®FSW-K18 and R&S®FSW-K18D options required)
Order number 1313.1380.02
Noise figure measurements
Order number 1313.1397.02
Phase noise measurements
Order number 1325.2893.02
Spurious measurements
Order number 1313.1400.02
EMI measurements
Order number 1331.5932.02
CISPR calibration for R&S®FSW-K54
Order number 1313.1416.02
Vector signal analysis
Order number 1338.4177.02
Multimodulation analysis
Order number 1338.3893.02
BER PRBS measurements
Order number 1313.1539.02
OFDM signal analysis
Flexible analysis of custom OFDM and DFT-OFDM (SC-FDMA) signals down to bit level.
Order number 1338.2716.02
User defined frequency correction by SnP file
Corrects frequency response (amplitude and phase) of measurement setup.
Order number 1350.6118.02
External frontend control
Order number 1353.2894.02
I/Q noise cancellation
Order number 1313.1322.02
Pulse measurements
Order number 1325.3783.02
Time sidelobe measurements
R&S®FSW-K6 option required.
Order number 1313.7495.02
Transient measurements
Order number 1322.9745.02
Transient chirp measurements
R&S®FSW-K60 option required.
Order number 1322.9916.02
Transient hop measurements
R&S®FSW-K60 option required.
Order number 1353.2413.02
Transient phase noise measurments
R&S®FSW-K60C or R&S®FSW-K60H option required.
Order number 1331.4388.02
VOR/ILS measurements
Order number 1313.4150.02
Multicarrier group delay measurements
Order number 1338.5896.02
Subspan measurement for group delay
Requires R&S®FSW-K17, R&S®FSW-B512, R&S®FSW-B512R, R&S®FSW-B1200, R&S®FSW-B2001, R&S®FSW-B800R, R&S®FSW-B4001, R&S®FSW-B6001 or R&S®FSW-B8001.
Order number 1331.8283.02
Noise power ratio measurements
Order number 1331.7387.02
OneWeb reverse link measurements
Order number 1325.4138.02
DOCSIS 3.1 OFDM downstream
Order number 1325.4144.02
DOCSIS 3.1 OFDMA upstream
Order number 1345.2253.02
Local VSE enabler
Order number 1331.7106.16
Real-time spectrum analyzer, 512 MHz, POI ≤ 15 µs
Includes 512 MHz analysis bandwidth and 200 MHz IF filter. Export license required.
Order number 1331.6400.16
Real-time spectrum analyzer, 800 MHz, POI ≤ 15 µs
Includes 2000 MHz analysis bandwidth. Not available in combination with R&S®FSW-B2000. Export license required.
Order number 1338.2700.02
160 MHz real-time measurement application, POI ≤ 15 µs
R&S®FSW-B160 or R&S®FSW-B320 required. Not available for R&S®FSW-B512/-B512R/-B1200/-B2001/-B800R. No export license required.
Order number 1338.4731.02
512 MHz real-time measurement application, POI > 15 μs
Requires R&S®FSW-B512.
Order number 1338.7801.02
800 MHz real-time measurement application, POI > 15 μs
Requires R&S®FSW-B1200 or R&S®FSW-B2001.
Order number 1350.6718.02
Health and Utilization Monitoring
Service für R&S®FSW
Order number 1313.3602.02
USB mass memory write protection
Order number 1322.7936.02
Security write protection for solid-state drive
Order number 1345.1011.06
Software
Brings the experience and power of Rohde & Schwarz signal analysis to PC and cloud
Order number 1309.9580.06
User-defined Frequency Correction by SnP File
Order number 1310.0002.03
Licence Dongle
Order number 1310.0002.04
Floating license dongle
Order number 1320.7622.81
Software maintenance
Order number 1320.7516.06
Pulse measurements application
Order number 1320.7868.06
Transient measurements
Transient analysis
Order number 1320.7874.06
Transient chirp measurements
Transient analysis, requires R&S®VSE-K60
Order number 1320.7880.06
Transient hop measurements
Transient analysis, requires R&S®VSE-K60
Order number 1320.7539.06
Analog modulation analysis (AM/FM/φM)
Modulation analysis for AM/FM/φM modulated single carriers
Order number 1320.7522.06
Vector signal analysis
Order number 1320.7922.06
OFDM signal analysis
Order number 1345.1434.06
Amplifier measurements
Order number 1345.1440.06
Direct DPD measurements
Order number 1345.1457.06
Frequency response measurements
Order number 1345.1492.06
Memory polynomial DPD
Order number 1345.1211.06
Multi-modulation analysis
R&S®VSE-K70 option required
Order number 1345.1228.06
BER PRBS measurements
R&S®VSE-K70 option required
Order number 1320.7574.06
GSM measurements
GSM/EDGE/ EDGE Evolution
Order number 1320.7580.06
3GPP FDD measurements
WCDMA signal analysis
Order number 1320.7545.06
EUTRA/LTE FDD uplink and downlink measurement application
LTE signal analysis
Order number 1320.7551.06
EUTRA/LTE advanced and MIMO (downlink)
LTE signal analysis
Order number 1320.7568.06
EUTRA/LTE TDD uplink and downlink measurement application
LTE signal analysis
Order number 1320.7900.06
EUTRA/LTE
Narrowband IoT analysis
Order number 1309.9574.06
5G NR uplink and downlink measurement application
Order number 1350.7020.06
O-RAN measurements
Order number 1320.7597.06
IEEE 802.11a/b/g measurements
WLAN signal analysis
Order number 1320.7680.06
IEEE 802.11p measurements
WLAN signal analysis
Order number 1320.7600.06
IEEE 802.11n measurements
WLAN signal analysis
Order number 1320.7616.06
IEEE 802.11ac measurements
WLAN signal analysis
Order number 1345.1411.06
IEEE 802.11ax measurements
WLAN signal analysis
Order number 1345.1463.06
HRP UWB measurements
Order number 1048.0171.02
Harmonic Mixer 40 GHz to 60 GHz (U band)
Order number 3638.2240.02
Harmonic Mixer 50 GHz to 75 GHz (wideband signal analysis)
Order number 3638.2270.02
Harmonic Mixer 60 GHz to 90 GHz (wideband signal analysis)
Order number 3638.2292.02
Harmonic Mixer 75 GHz to 110 GHz (wideband signal analysis)
Order number 3622.0708.02
Harmonic Mixer 90 GHz to 140 GHz
Order number 3622.0714.02
Harmonic Mixer 110 GHz to 170 GHz
Order number 3593.3250.02
Harmonic Mixer 140 GHz to 220 GHz
Order number 3593.3267.02
Harmonic Mixer 220 GHz to 325 GHz
Order number 1338.8008.18
Smart noise source 10 MHz to 18 GHz
Order number 1338.8008.26
Smart noise source 10 MHz to 26.5 GHz
Order number 1338.8008.40
Smart noise source 100 MHz to 40 GHz
Order number 1338.8008.55
Smart noise source 100 MHz to 55 GHz
Order number 1338.8008.67
Smart noise source 100 MHz to 67 GHz
Order number 1338.8008.90
Smart noise source 60 GHz to 90 GHz
Order number 1338.8008.11
Smart noise source 75 GHz to 110 GHz
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