Production tester accelerates GNSS solutions

Posted By : Mick Elliott
Production tester accelerates GNSS solutions

A speed-optimised production tester - the R&S SMBV100A vector signal generator from Rohde & Schwarz, is equipped with the R&S SMBV-P101 package. During production testing of modules and receivers for satellite-based communications, the basic GNSS signal reception and the connection between the antenna and GNSS chipset need to be checked.

The GNSS production tester simulates separate satellites for the GPS, Glonass, BeiDou and Galileo navigation standards in the L1/E1 band specifically for these production tests. The four satellites can be activated individually, each with a high dynamic range of 34 dB.

Level changes can be made on the fly without interrupting the signal, enabling users to simultaneously perform independent sensitivity tests for each navigation system.

The 1 pps or 10 pps GNSS marker allows exact time synchronization between the tester and the DUT. Pure, level-stable CW signals can also be generated to calibrate the test setup or to simulate interferers.

The R&S SMBV-P101 option additionally offers test functions for efficient characterization of GNSS chipsets. As a result, a receiver's ability to handle high movement dynamics can be verified quickly and cost-effectively. To do this, users can access both predefined and user-defined Doppler profiles, from which the R&S SMBV100A automatically generates the appropriate satellite signal.

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