Modern VSAs such as the Tektronix RTSA offer excellent connectivity features including the capability of interacting with applications running in the embedded PC. This strategy allows to implement "virtual analyzers" and to develop applications that can connect to the instrument independently of the computer where the application runs and of the communication interface.

DBA uses the OpenChoice™ architecture from Tektronix based in the VISA standard to communicate with the RSA3000 and RSA6100 series analyzers. This allows the user to run the DBA right in the analyzer or, if desired, from an external computer through the traditional GPIB interface or remotely through the Internet using the built-in Ethernet interface. Off-line analysis can be performed on a variety of file formats including those supported by the Tektronix Real-Time and Portable Spectrum Analyzers.
DBA can be used as a "virtual DVB-T/H" analyzer so it uses the instrument diplay and controls all the necessary settings.
DBA can communicate with the instrument through any TCP-IP connection so it can be used in the field and handled by experts from a central location.
DBA can work on live signals or it can analyze captured files. It can team up with the RSAVu software for complete off-line signal characterization.
DBA can analyze iqt files imported from the Tektronix H600/SA2600 series of Portable Spectrum Analyzers
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