R&S®FSL Spectrum Analyzer

High-end functions in an extremely lightweight, compact package

Key Facts

  • Frequency range 9 kHz to 3 GHz, 6 GHz or 18 GHz
  • Models with and without tracking generator
  • Signal analysis bandwidth of 28 MHz
  • Low measurement uncertainty, even in microwave range
Down to Key Facts

Brief Description

The R&S®FSL is an extremely lightweight and compact spectrum analyzer for cost-conscious users who want the functionality of high-end instruments. The analyzer is ideal for a large number of applications in development, service and production.

Features & Benefits

  • Exceptional performance for its class
  • Fast and versatile in production
  • At home in every development lab
  • Lightweight and compact for on-site installation, maintenance and service

Specifications

Models Frequency range
R&S®FSL3 model.03 9 kHz to 3 GHz
R&S®FSL6 model.06 9 kHz to 6 GHz
R&S®FSL18 model .18 9 kHz to 18 GHz
(overrange 20 GHz)
Down to Specifications

Supported Technologies

  • 3GPP HSPA
  • WiMAX
  • CDMA2000®/1xEV-DO

Key Facts

  • Frequency range 9 kHz to 3 GHz, 6 GHz or 18 GHz
  • Models with and without tracking generator
  • Signal analysis bandwidth of 28 MHz
  • Low measurement uncertainty, even in microwave range
  • General measurement applications, e.g. spectrogram
  • Lightweight and compact for on-site installation, maintenance and service
  • Optional battery operation
  • Easy on-site upgrading with options

Brief Description

The R&S®FSL is an extremely lightweight and compact spectrum analyzer for cost-conscious users who want the functionality of high-end instruments. The analyzer is ideal for a large number of applications in development, service and production.

Despite its compact size, it offers a wealth of functions more typical of the high-end range, thus ensuring an excellent price/performance ratio. The R&S®FSL is the only instrument in its class that features a tracking generator up to 18 GHz and can analyze signals with a bandwidth of 28 MHz. In addition, the R&S®FSL18, which operates at frequencies up to 18 GHz, supports applications in the microwave range.

Features & Benefits

  • Exceptional performance for its class

    • Continuous RF frequency range from 9 kHz to 18 GHz and 28 MHz demodulation bandwidth
    • Low measurement uncertainty even in microwave range
  • Fast and versatile in production

    • High measurement speed and time-saving routines improve throughput
    • Remote control via LAN or IEC/IEEE bus in line with SCPI
  • At home in every development lab

    • Excellent price/performance ratio
    • General-purpose signal analysis
    • Wide range of personalities for various wireless/cellular digital standards
  • Lightweight and compact for on-site installation, maintenance and service

    • Easy portability due to small size and low weight
    • Optional internal battery pack for cordless use
    • Power measurements with R&S®NRP-Zxx power sensors
  • Easy upgrades and a wide range of interfaces

    • On-site plug & play installation of options without opening the instrument
    • Additional interfaces expand the application range of the R&S®FSL
  • Wide range of functions – simple operation

    • Comprehensive set of measurement functions and features more typical of high-end analyzers
    • Built-in measurement routines and versatile selection of firmware options

Specifications

R&S®FSL3
model .03
R&S®FSL3
model .13
R&S®FSL6
model .06
R&S®FSL6
model .16
R&S®FSL18
model .18
R&S®FSL18
model .28
Frequency range 9 kHz to 3 GHz 9 kHz to 3 GHz 9 kHz to 6 GHz 9 kHz to 6 GHz 9 kHz to 18 GHz
(overrange 20 GHz)
9 kHz to 18 GHz
(overrange 20 GHz)
Frequency accuracy 1 × 10-6 1 × 10-6 1 × 10-6 1 × 10-6 1 × 10-6
With R&S®FSL-B4, OCXO 1 × 10-7 1 × 10-7 1 × 10-7 1 × 10-7 standard with the R&S®FSL18 standard with the R&S®FSL18
Resolution bandwidths
Standard 300 Hz to 10 MHz in 1/3 sequence, zero span additionally 20 MHz
With R&S®FSL-B7 10 Hz to 10 MHz in 1/3 sequence, additionally 1 Hz (FFT filter)
Video bandwidths 10 Hz to 10 MHz 10 Hz to 10 MHz 10 Hz to 10 MHz 10 Hz to 10 MHz 10 Hz to 10 MHz 10 Hz to 10 MHz
Signal analysis bandwidth 28 MHz 28 MHz 28 MHz 28 MHz 28 MHz 28 MHz
Phase noise typ. –103 dBc (1 Hz) at 10 kHz from carrier, 1 GHz
Displayed average noise level (DANL)
With 300 Hz RBW typ. –117 dBm typ. –117 dBm typ. –117 dBm typ. –117 dBm typ. –117 dBm typ. –117 dBm
With 1 Hz FFT RBW and preamplifier
(R&S®FSL-B7,
R&S®FSL-B22 options)
500 MHz: typ. –162 dBm
3 GHz: typ. –158 dBm
Third order intercept (TOI) typ. +18 dBm typ. +18 dBm typ. +18 dBm typ. +18 dBm typ. +18 dBm typ. +18 dBm
Detectors pos/neg peak, auto peak, RMS, quasi-peak, average, sample
Level measurement uncertainty <0.5 dB (30 kHz ≤ f ≤ 3 GHz),
<0.8 dB (3 GHz< f ≤ 6 GHz),
<1.2 dB (6 GHz< f ≤ 18 GHz)
Tracking generator no yes no yes no yes
Frequency range 1 MHz to 3 GHz 1 MHz to 6 GHz 10 MHz to 18 GHz
Output level –20 dBm to 0 dBm –20 dBm to 0 dBm –30 dBm to
–10 dBm

Supported Technologies

  • 3GPP HSPA
  • WiMAX
  • CDMA2000®/1xEV-DO
  • IEEE 802.11 a/b/g/n
  • IEEE 802.15.1 Bluetooth®
  • RFID
  • MBMS
  • DVB-C

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