R&S®FE170SR Frontend


R&S®FE170SR Frontend
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R&S®FE170SR Frontend
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R&S®FE170SR Frontend
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R&S®FE170SR Frontend
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R&S®FE170SR Frontend
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R&S®FE170SR Frontend
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R&S®FE170SR, hero viewR&S®FE170SR frontend, front lowR&S®FE170SR frontend, back lowR&S®FE170SR frontend, side viewR&S®FE170SR frontend, application imageR&S®FE170SR frontend, application image

Key facts

  • Fully calibrated solution
  • Ease of operation
  • Fully automated
  • Smart accessories
  • Compact form factor

Frequency extension to D-Band (110 GHz to 170 GHz)

The R&S®FE170SR is ideal for early sub-terahertz and 6G research activities. Once connected, the frequency range of the R&S®FSW signal and spectrum analyzer and the R&S®RTP  oscilloscope are extended to the D band (110 GHz to 170 GHz), allowing engineers to access the range they need to develop the next generation of mobile communications. The easy-to-use, fully-calibrated solution is compatible with our signal generator, analyzer and oscilloscope environments. Plug it in and start designing the next generation of mobile communications today

Features & benefits

Fully calibrated solution

The R&S®FE170SR is designed as an external frontend for the R&S®FSW signal and spectrum analyzer and the R&S®RTP oscilloscope. Every R&S®FE170SR is fully characterized during production. As soon as the R&S®FE170SR is connected via LAN, the correction data stored in the frontend is automatically transferred to the base unit. This ensures a fully calibrated  solution. and reduces the time and equipment needed for setup and calibration while enhancing measurement fidelity.

Ease of operation

The R&S®FE170SR fits seamlessly into the operating concept of the R&S®FSW signal analyzer and R&S®RTP oscilloscope. Only three connections (LAN, IF and REF connector) between frontend and base units are required. Automated measurements are easily and reliably set up since multiple instruments do not need to be programmed. 

R&S®FE170SR connection
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R&S®FE170SR connection

R&S®FSW with connected R&S®FE170SR frontend

Excellent signal performance

Generating wideband-modulated signals with excellent modulation quality is essential when developing next generation mobile communications and automotive radar applications. The R&S®FE170SR has outstanding modulation quality. A  5G NR signal with a channel bandwidth of 2 GHz (960 kHz SCS) and QPSK modulation can be analyzed with an EVM better than -36 dB (at 148 GHz). This excellent modulation quality is maintained over a wide dynamic range. 

EVM values versus RMS output power
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EVM values versus RMS output power

Measured EVM of a 5G NR signal (2 GHz BW, 960 kHz SCS, QPSK) at 148 GHz center frequency.

Smart accessories

External bandpass filters optimize spur performance and are offered as optional accessories for the R&S®FE170ST and R&S®FE170SR. The R&S®FE170-Z01, R&S®FE170-Z02 and R&S®FE170-Z03 waveguide bandpass filters offer low insertion loss and excellent VSWR. The characteristics of these devices are stored on an EPROM. A simple cable connection provides data to the base instruments that is automatically included, ensuring a fully calibrated solution. 

Compact form factor

The compact design allows the R&S®FE170SR to be positioned closely to the device under test. This minimizes the length of additional RF feed lines that can increase losses.  Versatile mounting points and adjustable feet allow for more flexibility when positioning the R&S®FE170SR in a test setup. The R&S®WR6.5 waveguide connector allows the DUT or an antenna to be mounted directly for OTA measurements.

Available options

External accessories

Order number 1347.9532.02


Bandpass filter

External bandpass filter (110-136 GHz) for the R&S®FE170ST and R&S®FE170SR 


Order number 1347.9549.02


Bandpass filter

External bandpass filter (126-153 GHz) for the R&S®FE170ST and R&S®FE170SR


Order number 1347.9555.02


Bandpass filter

External bandpass filter (143-170 GHz) for the R&S®FE170ST and R&S®FE170SR 


Order number 1347.9655.02


R&S®WR6.5 waveguide-to-waveguide adapter

Waveguide section straight. Length: 400mm


Order number 1348.5330.02


Frontend height adjustment

Height adjustment and mounting kit for external frontends. 
Horizontal or vertical assembly possible.

Related videos

 Sub-Terahertz, Above Expectations

Sub Terahertz, Above Expectations

Sub-THz testing for 6G: R&S®FE170SR and R&S®FE170ST

Sub-THz testing for 6G: R&S®FE170SR and R&S®FE170ST

#ThinkSix with the R&S®FE170ST and R&S®FE170SR

#Think Six - A simple to use setup for investigating signals in the D-Band

A simple to use setup for investigating signals in the D-Band

For early 6G R&D in the 110-170 GHz D-Band, R&S introduces FE170 Frontend.

Generate & analyze 4 GHz RF bandwidth signals in the D-Band

Generate & analyze 4 GHz RF bandwidth signals in the D-Band

For early 6G R&D from 110-170 GHz, extra bandwidth supports higher data rates

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