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Rohde & Schwarz' Q/V band RF upconverter tests satellite payloads

Aug. 14, 2020
The R&S SZV100A RF upconverter from Rohde & Schwarz now offers a solution for testing broadband transponders in the payloads of very high throughput satellites (VHTS).

The R&S SZV100A RF upconverter from Rohde & Schwarz offers a solution for testing broadband transponders in the payloads of very high throughput satellites (VHTS). With its 2 GHz modulation bandwidth, the R&S SZV100A covers the entire frequency range from 36 GHz to 56 GHz. High demands are placed on microwave components in the Q/V band, which means they must undergo extensive testing during development and verification.

Together with the R&S SMW200A vector signal generator, the R&S SZV100A Q/V band RF upconverter provides continuous coverage of all satellite bands from VHF to V band as well as the frequency bands for 5G in the Q/V band. The test setup consists of the R&S SMW200A vector signal generator, the R&S SMA100B RF and microwave signal generator, and the R&S SZV100A Q/V band RF upconverter. With its outstanding RF performance, the R&S SMW200A delivers the modulated broadband IF signal with bandwidths up to 2 GHz, while the R&S SMA100B provides the high-precision LO signal. The maximum output power of the R&S SZV100A is as high as +16 dBm (at 1 dB compression point).

The compact housing design, low weight and mounting points of the R&S SZV100A allow mounting as close as possible to the DUT, for example on the outside of a thermal vacuum chamber (TVAC). The distance between the IF source or LO source and the R&S SZV100A can be as much as 10 meters, allowing an optimized test setup. The upconverter and the signal generators can be operated remotely with a PC software over a LAN connection. The R&S SZV remote control software enables simple and convenient configuration of the entire device setup.

The R&S SZV100A is ideal as a low-cost upgrade for existing test systems. Thanks to the control software, the setup consisting of the R&S SZV100A, R&S SMW200A and R&S SMA100B can be operated as a single instrument. 

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