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Rohde & Schwarz Rohde & Schwarz FSW43 opt FSW-B4, FSW-B17, FSW-B10, Call
Rohde & Schwarz FSW43 Signal and Spectrum Analyzer, 2 Hz - 43.5 GHz Call
Rohde & Schwarz - FSW43-B4/B21/B24/B71/B160 Signal/Spectrum $118800
Rohde and Schwarz FSW43 Signal and Spectrum Analyzer 2 Hz to 43.5 GHz Call
 

Rohde & Schwarz FSW43 (Signal and Spectrum Analyzer) Main Features and Specifications

Rohde & Schwarz FSW43

Low end frequency limit  2.00 Hz 
High end frequency limit  43.50 GHz 
Resolution Bandwidth Min.  1 Hz 
Resolution Bandwidth Max.  80.00 MHz 
Amplitude Range  Display range is displayed noise floor up to +30 dBm  
Status -
Launch Date Oct-2012
See also FSW13 , FSW26 , FSW8
Rohde & Schwarz

The high-performance R&S®FSW signal and spectrum analyzer was developed to meet demanding customer requirements. Offering low phase noise, wide analysis bandwidth and straightforward and intuitive operation, the analyzer makes measurements fast and easy.

  • Frequency range from 2 Hz to 8 GHz / 13.6 GHz / 26.5 GHz / 43.5 GHz
  • Low phase noise of –137 dBc (1 Hz) at 10 kHz offset (1 GHz carrier)
  • –88 dB dynamic range (with noise cancellation) for WCDMA ACLR measurements
  • Up to 160 MHz analysis bandwidth
  • <0.4 dB total measurement uncertainty up to 8 GHz
  • High spurious-free dynamic range of >100 dBc
  • Large I/Q memory depth for seamless recording of long signal sequences
  • High-resolution 12.1" (31 cm) touchscreen for convenient operation
    • Efficient operation with optimized user guidance: Flat menu structures, Transparent windows, Toolbar, Zoom function, Smartgrid
    • MultiView: multiple results available at a glance
  • Multiple measurement applications can be run and displayed in parallel
  • RF performance that meets exacting demands
    • Unmatched phase noise – ideal for measuring oscillators for radar and communications applications
    • Excellent dynamic range for spurious measurements thanks to low DANL
    • Harmonic measurements made easy – due to integrated highpass filters
    • High sensitivity even at low frequencies
    • High accuracy of < 0.4 dB up to 8 GHz
    • Unparalleled dynamic range up to 1 GHz with separate receive path
  • Ideal for analyzing radar systems
    • Fast identification and analysis of spurious emissions
    • Low phase noise for oscillator measurements
    • Measuring pulse parameters at the touch of a key
    • Analyzing short pulse rise and fall times
  • Multi-standard radio analyzer (MSRA)
  • When speed counts
    • High measurement rates and fast sweep times with sweep rates of up to 1000 sweeps/s
    • Fast switchover between instrument setups
    • Efficient measurement functions speed up operation
    • Integrated support of R&S®NRP-Zxx power sensors
  • Option for keeping test data confidential

The new high-end R&S FSW43 signal and spectrum analyzer covers the frequency range from 2 Hz to 43.5 GHz. Its high RF dynamic range, measurement speed and numerous functions make the R&S FSW43 an excellent microwave analyzer. The displayed average noise level of –164 dBm with preamplifier switched on is very low in the microwave range. With a phase noise of –117 dBc (Hz) at 40 GHz and 10 kHz carrier offset, the analyzer allows high-sensitivity measurements even close to the carrier, for example, on radar signals. As a result, inherent errors during signal analysis are minimized. The high-end analyzer also features an impressive measurement speed of up to 1000 sweeps/s. And the user can quickly switch between different instrument setups. With its broad analysis bandwidth of up to 160 MHz, the analyzer can easily measure wideband, hopping and chirp signals which occur in A&D (Ka band) and automotive (E band) radar applications.


Equipped with the R&S FSW-B21 option, the frequency range of the analyzer can be extended up to 110 GHz using the R&S FS-Z60, -Z75, -Z90 and -Z110 external mixers. The external mixers take advantage of the analyzer’s very high second intermediate frequency of 1.3 GHz, providing an image-free range of 2.6 GHz for wideband signals – a much wider range than offered by comparable solutions. Consequently, the R&S FSW43 is ideal for spectral measurements, for example, on WLAN signals in the 60 GHz band as specified in the IEEE 802.11ad standard.

R&S®FSW43 specifications:

  • Frequency range: 2 Hz to 43.5 GHz, DC coupled, 10 MHz to 43.5 GHz, AC coupled
  • Resolution bandwidth with standard filter: 1 Hz to 10 MHz, 80 MHz (with R&S®FSW-B8 option)
  • I/Q demodulation bandwidth: 10 MHz
    • With FSW-B28 option: 28 MHz
    • With FSW-B40 option: 40 MHz
    • With FSW-B80 option: 80 MHz
    • With FSW-B160 option: 160 MHz
  • Displayed average noise level (DANL)
    • 2 GHz, 8 GHz: -156 dBm (1 Hz) typical 
    • 2 GHz with FSW-B13 option: -159 dBm (1 Hz) typical
    • 2 GHz with noise cancellation, preamplifier off: -169 dBm (1 Hz) typical
    • 8 GHz with FSW-B24 preamplifier option: -169 dBm (1 Hz) typical
    • 20 GHz: -150 dBm (1 Hz) typical
    • 40 GHz: -144 dBm (1 Hz) typical
    • 40 GHz with FSW-B24 preamplifier option: -165 dBm (1 Hz) typical
  • Residual spurious response, RF attenuation = 0 dB
    • f ≤ 1 MHz: <–90 dBm
    • 1 MHz < f < 8900 MHz: <–110 dBm
    • f ≥ 8900 MHz: <–100 dBm
  • Display range: Displayed noise floor up to +30 dBm
  • WCDMA ACLR dynamic range with noise cancellation: 88 dB
  • Third order intercept (TOI)
    • f < 1 GHz: +30 dBm typical
    • f < 3 GHz: +25 dBm typical
    • 8 GHz to 26 GHz: +17 dBm typical
    • 13.6 GHz to 40 GHz: +15 dBm typical
  • Maximum input level
    • DC voltage, AC coupled: 50 V
    • DC voltage, DC coupled: 0 V
    • CW RF power, RF attenuation = 0 dB: 20 dBm (= 0.1 W)
    • CW RF power, RF attenaution ≥10 dB: 30 dBm (= 1 W)
    • Pulse spectral density, RF attenutation = 0 dB, RF preamplifier OFF: 97 dB μV/MHz
    • Maximum pulse voltage, RF attenaution ≥10 dB: 150 V
    • Maximum pulse energy, RF attenuation ≥10 dB, 10 μs: 1 mWs
  • Phase noise, 10 kHz offset from carrier
    • 500 MHz carrier: –140 dBc (1 Hz) typical
    • 1 GHz carrier: –137 dBc (1 Hz) typical
    • 10 GHz carrier: –128 dBc (1 Hz) typical
  • Total measurement uncertainty at 8 GHz: 0.4 dB