Industrial Electronics

New R&S PVT360A one box solution for FR1 base station, small cell and RF component characterization and production test

19 January 2023

Rohde & Schwarz has introduced the new R&SPVT360A performance vector tester, a vector signal generator/vector signal analyzer single box tester optimized for Frequency Range 1 (FR1) base station, small cell and radio frequency (RF) component testing in production and characterization environments. It meets the increasingly demanding requirements for 5G New Radio FR1 base station and small cell tests, resulting from additions to the original 3GPP Release 15 specification in Releases 16 and 17.

The instrument’s frequency range from 400 MHz to 8 GHz covers not just all 5G FR1 requirements, but also the extension to unlicensed frequency bands in the U.S. to 7.125 GHz. The 500 MHz maximum signal bandwidth far exceeds the 5G FR1 maximum of 100 MHz, supporting out of band and adjacent channel leakage ratio (ACLR) measurements.

For maximum test throughput, two independent signal generators and analyzers enable fast parallel measurements; the twin channels each support eight parallel full-duplex test ports. For each channel, the output test signal can be broadcast to all eight ports. For input, ports are fast-switched in less than 10 microseconds for sequential analysis of either parallel or multiport devices. Transmitter and receiver tests can be carried out in parallel; the R&S PVT360A optimizes test sequences to minimize any idle time between result processing. With the second channel installed, users can run true multiple-input/multiple-output (MIMO) 2x2 tests with the signal paths tested in parallel, not sequentially. The optional smart channel mode divides the R&S PVT360A in up to eight separate virtual instruments, each with independent output signals and input measurements. The generator and analyzer are shared across the virtual instruments, with optimized resource scheduling for all calculations and processing.

Source: Rohde & SchwarzSource: Rohde & Schwarz

For most production test requirements, standard compliant waveforms for 5G NR release 15, 16 and 17 (plus WLAN standards up to 8 GHz) support all typical base station transmitter and receiver tests such as error vector magnitude (EVM), output power or frequency error. In particular for component characterization applications, with developers searching for the highest possible performance, the low EVM of the R&S PVT360A signal generator provides high precision test signals for minimal measurement uncertainty. If additional signals are required, customized waveforms may be created using WinIQSIM2, the PC-based waveform creation program. For additional analysis the R&S VSE Vector Signal Explorer PC-based signal analyzer software is utilized.

To cover the full range of requirements in the extremely price-sensitive market for production test with a single instrument, the R&S PVT360A option concept supports setups from a single generator and analyzer with eight test ports for frequencies from 400 MHz to 6 GHz and a bandwidth of 250 MHz, up to the complete twin channel configuration each with the full frequency and bandwidth ranges of 8 GHz and 500 MHz. All updates are by keycode, and can be installed instantly.

The new R&S PVT360A performance vector tester will be showcased at the Mobile World Congress 2023 (MWC 2023) in Barcelona at the Rohde & Schwarz booth 5A80 from February 27 to March 2, 2023.

To contact the author of this article, email engineering360editors@globalspec.com


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