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home > Rohde & Schwarz FSC3 9 kHz to 3 GHz Spectrum Analyzer > Rohde & Schwarz FSC3 9 kHz to 3 GHz Spectrum Analyzer
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Rohde & Schwarz FSC3 9 kHz to 3 GHz Spectrum AnalyzerRohde & Schwarz FSC3 9 kHz to 3 GHz Spectrum Analyzer Key Features At A Glance Spectrum analyzer family spanning 9 kHz to 3 GHz (R&S FSC3) and 9 kHz to 6 GHz (R&S FSC6) models LAN (10 100BaseT, RJ 45), front panel USB host, rear USB device, and SCPI 1997. 0 command set for remote control Resolution and video bandwidths from 10 Hz to 3 MHz in a 1 3 sequence Trace detectors include max peak, min peak, auto peak, sample, and RMS Tracking generator
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Rohde & Schwarz FSC3 9 kHz to 3 GHz Spectrum Analyzer

Key Features At A Glance

  • Spectrum analyzer family spanning 9 kHz to 3 GHz (R&S FSC3) and 9 kHz to 6 GHz (R&S FSC6) models
  • LAN (10/100BaseT, RJ-45), front-panel USB host, rear USB device, and SCPI 1997.0 command set for remote control
  • Resolution and video bandwidths from 10 Hz to 3 MHz in a 1/3 sequence
  • Trace detectors include max peak, min peak, auto peak, sample, and RMS
  • Tracking-generator versions available (R&S FSC3 .13 / R&S FSC6 .16) with 0 dBm output and a 0 dB to 40 dB attenuator
  • Optional R&S FSC-B22 RF preamplifier (20 dB nominal gain) lowers the displayed average noise level
  • 14.5 cm (5.7") TFT color display at 640 x 480 pixels, with internal flash and USB memory-stick storage
  • Maximum rated input of 30 dBm (1 W) CW RF and 50 V DC with RF attenuation 10 dB or greater

The Rohde & Schwarz R&S FSC is a spectrum analyzer offered in two frequency classes: the R&S FSC3 covering 9 kHz to 3 GHz and the R&S FSC6 covering 9 kHz to 6 GHz. Each class is available with or without an integrated tracking generator, giving four base configurations across the series. The instrument provides 1 Hz frequency resolution, 631 sweep (trace) points, and a 50 ohm N-female RF input.

A spectrum analyzer measures and displays the amplitude of signals across a frequency span, letting an engineer characterize a signal's spectral content, identify harmonics and spurious products, and read levels at points of interest. The R&S FSC presents results on a logarithmic axis selectable from 1/2/5/10/20/50/100 dB across ten divisions, or on a linear 0 % to 100 % axis, with level units selectable as dBm, dBmV, dBuV, V, or W.

ValueTronics International stocks and holds its own inventory in a 20,000 sq ft secure warehouse at 1675 Cambridge Drive in Elgin, Illinois. That combination lets us match the right configuration to your application and back it with the service ValueTronics has provided since 1992.

Brand Heritage

Rohde & Schwarz is an independent, privately held electronics group headquartered in Munich, Germany, and established more than 75 years ago. It has operated under the Rohde & Schwarz name throughout its history, with no major corporate rebranding.

Compare Other Models in This Series

The R&S FSC series is offered in two frequency classes and two output configurations. The R&S FSC3 covers 9 kHz to 3 GHz and the R&S FSC6 covers 9 kHz to 6 GHz, and each is available either as a base analyzer or with an integrated tracking generator.

Across all four configurations the analyzers share the same core architecture: 1 Hz frequency resolution, 631 sweep points, resolution and video bandwidths from 10 Hz to 3 MHz in a 1/3 sequence, the same detector set, and the same LAN, USB, and SCPI remote-control interfaces.

Each new model linked below is its own product page with condition-matched pricing. Select the configuration that fits your frequency coverage and tracking-generator needs, and the page for that model will reflect its new availability and price.

The primary difference between models is upper frequency limit: the R&S FSC3 reaches 3 GHz while the R&S FSC6 reaches 6 GHz. The second difference is the tracking generator, which is present only on the .13 and .16 versions; on those models the generator spans 100 kHz to 3 GHz or 100 kHz to 6 GHz respectively, with 0 dBm nominal output and a 0 dB to 40 dB attenuator.

The R&S FSC-B22 preamplifier is an option available across the series rather than a model-defining feature. Refer to the comparison table for the per-model frequency range, tracking-generator presence, and order numbers as listed in the ordering information.

Model Frequency Range Tracking Generator Resolution Bandwidth
FSC3 9 kHz to 3 GHz None 10 Hz to 3 MHz
FSC6 9 kHz to 6 GHz None 10 Hz to 3 MHz
FSC6 9 kHz to 6 GHz 100 kHz to 6 GHz 10 Hz to 3 MHz

Additional differences in specifications beyond the few shown above are not listed here — see each model's full specifications below.

Accessories Supplied

  • Power cable
  • USB cable for connection to PC
  • Quick start guide
  • CD-ROM (with operating manual and service manual)

Product Core & Specifications

Specification Value
Frequency
Frequency range (model .03/.13) 9 kHz to 3 GHz
Frequency range (model .06/.16) 9 kHz to 6 GHz
Frequency resolution 1 Hz
Reference frequency, internal, nominal – Aging per year 1 × 10–6
Temperature drift, 0 °C to +30 °C 1 × 10–6
Temperature drift, +30 °C to +50 °C 3 × 10–6
Achievable initial adjustment accuracy 5 × 10–7
Total reference uncertainty (time since last adjustment × aging rate) + temperature drift + calibration accuracy
Frequency readout, marker resolution 0.1 Hz
Frequency readout, uncertainty ±(marker frequency × reference uncertainty + 10 % × resolution bandwidth + ½ (span/(sweep points – 1)) + 1 Hz)
Number of sweep (trace) points 631
Marker tuning frequency step size span/630
Frequency counter resolution 0.1 Hz
Count uncertainty, S/N > 25 dB ±(frequency × reference uncertainty + ½ (last digit))
Frequency span 0 Hz, 10 Hz to 3 GHz/6 GHz
Span setting uncertainty ±span/630
Spectral purity, SSB phase noise (f = 500 MHz, carrier offset 30 kHz) < –95 dBc (1 Hz), typ. –105 dBc (1 Hz)
Spectral purity, SSB phase noise (carrier offset 100 kHz) < –100 dBc (1 Hz), typ. –110 dBc (1 Hz)
Spectral purity, SSB phase noise (carrier offset 1 MHz) < –120 dBc (1 Hz), typ. –127 dBc (1 Hz)
Sweep time
span = 0 Hz 200 µs to 100 s
10 Hz ≤ span ≤ 600 MHz 20 ms to 1000 s
span > 600 MHz 20 ms × span/600 MHz to 1000 s
Uncertainty, span = 0 Hz 1 %, nominal
Uncertainty, span ≥ 10 Hz 3 %, nominal
Bandwidths
Resolution bandwidths, –3 dB bandwidth 10 Hz to 3 MHz in 1/3 sequence
Bandwidth accuracy, 10 Hz ≤ RBW ≤ 300 kHz < 5 %, nominal
Bandwidth accuracy, RBW > 300 kHz < 10 %, nominal
Selectivity, 60 dB:3 dB < 5 (Gaussian type filters), nominal
Video filters, –3 dB bandwidth 10 Hz to 3 MHz in 1/3 sequence
Level
Display range displayed noise floor to +30 dBm
Max. rated input (RF att ≥ 10 dB), DC voltage 50 V
Max. rated input (RF att ≥ 10 dB), CW RF power 30 dBm (= 1 W)
Max. rated input (RF att ≥ 10 dB), Peak RF power (< 3 s duration) 33 dBm (= 2 W)
Max. rated input (RF att ≥ 10 dB), Max. pulse voltage 150 V
Max. rated input (RF att ≥ 10 dB), Max. pulse energy (pulse width 10 µs) 10 mWs
Max. rated input (RF att < 10 dB), DC voltage 50 V
Max. rated input (RF att < 10 dB), CW RF power 20 dBm (= 100 mW)
Max. rated input (RF att < 10 dB), Peak RF power (< 3 s duration) 23 dBm (= 200 mW)
Max. rated input (RF att < 10 dB), Max. pulse voltage 50 V
Max. rated input (RF att < 10 dB), Max. pulse energy (pulse width 10 µs) 1 mWs
TOI, nominal (2 × –20 dBm, RF att = 0 dB, preamp OFF), fin < 300 MHz > 54 dBc (TOI > +7 dBm, typ. +11 dBm)
TOI, nominal, 300 MHz ≤ fin < 3.6 GHz > 60 dBc (TOI > +10 dBm, typ. +15 dBm)
TOI, nominal, 3.6 GHz ≤ fin ≤ 6 GHz > 46 dBc (TOI > +3 dBm, typ. +10 dBm)
TOI, nominal (2 × –40 dBm, preamp ON), fin < 300 MHz > 50 dBc (TOI –15 dBm)
TOI, nominal (preamp ON), 300 MHz ≤ fin ≤ 6 GHz > 56 dBc (TOI –12 dBm)
Second harmonic intercept (SHI), nominal (preamp OFF), fin = 20 MHz to 1.5 GHz +40 dBm
SHI, nominal (preamp OFF), fin = 1.5 GHz to 3 GHz +30 dBm
SHI, nominal (preamp ON), fin = 100 MHz to 3 GHz 0 dBm
Displayed average noise level (preamp OFF, RBW = 100 Hz, VBW = 10 Hz, sample detector, normalized to 1 Hz), 9 kHz to 100 kHz < –108 dBm, typ. –118 dBm
DANL (preamp OFF), 100 kHz to 1 MHz < –115 dBm, typ. –125 dBm
DANL (preamp OFF), 1 MHz to 10 MHz < –136 dBm, typ. –144 dBm
DANL (preamp OFF), 10 MHz to 2 GHz < –141 dBm, typ. –146 dBm
DANL (preamp OFF), 2 GHz to 3.6 GHz < –138 dBm, typ. –143 dBm
DANL (preamp OFF), 3.6 GHz to 5 GHz < –142 dBm, typ. –146 dBm
DANL (preamp OFF), 5 GHz to 6 GHz < –140 dBm, typ. –144 dBm
DANL (preamp ON), 100 kHz to 1 MHz < –133 dBm, typ. –143 dBm
DANL (preamp ON), 1 MHz to 10 MHz < –157 dBm, typ. –161 dBm
DANL (preamp ON), 10 MHz to 1 GHz < –161 dBm, typ. –165 dBm
DANL (preamp ON), 1 GHz to 2 GHz < –159 dBm, typ. –163 dBm
DANL (preamp ON), 2 GHz to 5 GHz < –155 dBm, typ. –159 dBm
DANL (preamp ON), 5 GHz to 6 GHz < –151 dBm, typ. –155 dBm
Image frequencies, nominal, fin – 2 × 21.4 MHz < –70 dBc, typ. –80 dBc
Image frequencies, nominal, fin – 2 × 831.4 MHz < –70 dBc, typ. –90 dBc
Image frequencies, nominal, fin – 2 × 4881 MHz –60 dBc
Intermediate frequencies, 21.4 MHz, 831.4 MHz, 4881.4 MHz –60 dBc, typ. –80 dBc
Intermediate frequencies, 8931.4 MHz –50 dBc
Other interfering signals (signal level – RF att < –20 dBm), f ≤ 3.6 GHz, spurious at fin – 2440.7 MHz < –60 dBc
Other interfering signals, 3.6 GHz < f ≤ 6 GHz, spurious at fin – 4465.7 MHz < –60 dBc
Other interfering signals, related to local oscillators, f ≤ 3.6 GHz, Δf < 300 kHz –60 dBc
Other interfering signals, f ≤ 3.6 GHz, Δf ≥ 300 kHz < –60 dBc
Important: RF emission is in line with EN 55011 class A. Per the datasheet's class A note, operation in residential, commercial, and business areas or in small-size companies requires additional measures to ensure EN 55011 class B compliance.
Important: A USB memory stick is not supplied. External data storage of more than 5000 instrument settings and traces requires a USB memory stick (a 1 Gbyte stick is referenced); internal flash memory holds more than 256 instrument settings and traces.
Important: The supported R&S NRP-Z power sensors (for average power measurement only) require the R&S NRP-Z4 passive USB adapter cable for operation on the R&S FSC; the adapter is ordered separately.

About this New unit

This is a brand-new, factory-sealed unit, supplied exactly as it arrives from the manufacturer and backed by the full manufacturer warranty. For the exact configuration, available options, included accessories, or current lead time for your application, our Test Architects can confirm the details before you order.

ValueTronics supplies both new and used test and measurement equipment. New units ship factory-sealed, exactly as received from the manufacturer; every used unit is inspected and functionally verified in-house at our 20,000 sq ft secure facility in Elgin, Illinois before it ships. Our Test Architects can help you select the condition, calibration, and configuration that fit your application.

Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.

Rohde & Schwarz FSC3 9 kHz to 3 GHz Spectrum Analyzer

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