R&S®SZU100A Frontend

R&S®SZU100A Frontend
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R&S®SZU100A Frontend
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R&S®SZU100A Frontend
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R&S®SZU100A Frontend
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R&S®SZU100A I/Q upconverter, front highR&S®SZU100A I/Q upconverter, side viewR&S®SZU100A I/Q upconverter, back viewR&S®SZU100A I/Q upconverter, application image

Key facts

  • Upconversion of R&S®SMW200A generated signals to 65.88 GHz
  • Flat frequency response independent of set level and frequency
  • Fully characterized and compensated frequency response
  • High spectral purity paired with high dynamic range
  • Seamless integration into the R&S®SMW200A for maximum usability

mmWave extension for the R&S®SMW200A;

The R&S®SZU100A I/Q upconverter extends the R&S®SMW200A vector signal generator into the mmWave range. Its 2 GHz bandwidth, flat frequency response and dynamic range of over 80 dB allow the R&S®SZU100A to generate high-quality test signals in the frequency range from 57.32 GHz to 65.80 GHz for WLAN IEEE 802.11ad, 5G or microwave links as well as for test satellite and radar systems. The R&S®SZU100A I/Q upconverter conveniently tests components, chips, transceivers, mobile devices and the communications infrastructure for these applications.

Features & benefits

Easy operation

The R&S®SZU100A I/Q upconverter is designed as a remote RF head for the R&S®SMW200A vector signal generator. The R&S®SZU100A fits seamlessly into the operating concept of the R&S®SMW200A. As soon as the upconverter is connected to the R&S®SMW200A via the USB, I/Q and RF connectors, the R&S®SMW200A is converted into a vector signal generator for mmWave applications. An integrated connection test ensures that all cables are connected correctly.

R&S®SZU100A I/Q upconverter test setup
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R&S®SZU100A I/Q upconverter test setup

Ready for multichannel applications

The R&S®SMW200A and R&S®SZU100A combination is the perfect solution for multichannel applications such as beamforming or MIMO in the mmWave range. Whenever required, a dual-channel R&S®SMW200A operates two R&S®SZU100A upconverters in parallel. The two signal paths can be precisely synchronized in time, frequency and phase.

Flexible RF head

Its design as an RF head allows the R&S®SZU100A to be positioned closely to the DUT, minimizing the need for RF feed lines and the associated line losses. The shorter feed lines also reduce the level ripple over the frequency. Versatile mounting points and adjustable feet provide flexibility when positioning the R&S®SZU100A in the test setup. The R&S®WR15 waveguide connector permits direct mounting of the DUT or an antenna for over-the-air measurements.

RF connector options on the R&S®SZU100A.
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RF connector options on the R&S®SZU100A.

High frequency and large bandwidth

With an adjustable center frequency of 58.32 GHz to 64.80 GHz and +-1 GHz RF modulation bandwidth, the R&S®SZU100A is suited to a number of applications in the mmWave range. Using the upconverter together with the R&S®SMW200A enables generation of 2 GHz test signals for airborne radar, tank radar, inter-satellite links, terrestrial point-to-point communications (backhaul/fronthaul), 5G or WLAN IEEE 802.11ad.

High output power and wide dynamic range

The specified maximum output power of +5 dBm (PEP) but typically greater than +10 dBm (PEP) is sufficient to compensate for the increased cable or over-the-air path loss in test setups in the 60 GHz band. An electronic attenuator precisely sets the level to even less than –80 dBm with high level repeatability, fast setting times and exceptional reliability. An integrated level detector ensures a clearly defined output level.

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Exceptional spectral purity

The sophisticated synthesizer design developed by Rohde & Schwarz ensures that both image sidebands and spurs are effectively suppressed across the entire wanted frequency band. Harmonics and nonharmonics are attenuated with more than 50 dBc. When using an R&S®SMW200A with improved phase noise performance, the phase noise at 60.48 GHz with 20 kHz offset is exceptionally low with a typical value of just –102 dBc (1 Hz).

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Excellent modulation quality

High-quality, wideband-modulated test signals are essential, especially for communications standards such as 5G or WLAN IEEE 802.11ad.  The R&S®SZU100A upconverter excels thanks to its outstanding modulation quality. 16 QAM modulated WLAN IEEE 802.11ad signals are generated at a carrier frequency of 60.48 GHz with an EVM of better than –32 dB (meas.). The excellent modulation quality is maintained almost without change – even at low levels.

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Automatic frequency response compensation

Rohde & Schwarz fully characterizes every R&S®SZU100A during the production process and programs it with appropriate correction values. During measurements, the R&S®SMW200A applies these corrections automatically. At every level and every frequency, the R&S®SZU100A always offers a flat frequency response of < 2.0 dB over 2 GHz bandwidth, typically even better. This eliminates the need for time-consuming external calibration procedures.

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Available options

Frequency options

Order number 1425.3110.02


57 GHz to 66 GHz, WR15


Order number 1425.4851.02


USB and I/Q cable for R&S®SZU100A


Order number 1324.5001.02


Waveguide Coax Adapter, WR15 to 1.85 mm (male)
50 GHz to 75 GHz

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