Use this process when the W-CDMA TS 25.141 Clause 7 test settings have been exported for use in the N7600B Signal Studio for W-CDMA / HSPA+ software, the test requires the use of the GMSK Interferer signal, and there is a need to transfer the GMSK file to a signal generator. Only a few of the W-CDMA Clause 7 tests use the GMSK Interferer.
For the tests that require a GMSK Interferer, the Test Case Manager software creates this signal by using a pregenerated waveform file. This means that for this signal, there are no settings to export for use in the Signal Studio software, and the Signal Studio software cannot reproduce this signal.
For a full list of the Signal Studio license requirements needed to use the Test Case Manager software, see the System Requirements topic.
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N7600B-EFP |
This is the minimum Signal Studio license required to playback the GMSK Interferer on a signal generator to where the GMSK waveform file was manually downloaded. |
This process uses both the software and signal generator to transfer and store the GMSK waveform file for later use without the software interface.
Select the test that requires the use of the GMSK Interferer.
Configure and download the test signals.
Click the Stop bottom at the top of the test setting window.
If more information is needed to complete the following steps, refer to the signal generator's User documentation.
These steps apply to the signal generator that received the downloaded GMSK Interferer signal.
Save the GMSK waveform file to the signal generator non-volatile memory.
This keeps the file from being erased if the signal generator is turned off.
Store the signal generator settings using the signal generator's Save feature.
This stores the instrument settings such as frequency and amplitude, and the name of the loaded waveform file if one was being played back.
To recall the settings, use the signal generator's Recall feature to load the saved instrument state, that includes the waveform file.
The recall feature returns the signal generator to most of its previous settings that includes frequency and amplitude, and the GMSK waveform file (if needed, it loads the file from non-volatile memory).
For this signal generator, the only method for a manual download is to use SCPI commands. To obtain the proper commands, refer the ESG SCPI Command documentation.
If more information is needed to complete the steps relative to signal generator operation, refer the signal generator's User documentation.
Ensure that the signal generator has at least the minimum N7600B waveform license requirement.
Use SCPI commands to load the waveform into volatile or non-volatile memory.
Non-volatile memory is the better choice. This prevents losing the file when the signal generator is turned off.
The Test Case Manager software stores the GMSK Interferer waveform file in the same location as the other waveform files.
If the file was loaded into non-volatile memory, use the signal generator Dual ARB mode to load the file into its volatile (waveform) memory.
The file needs to reside in waveform memory for play back.
Set the signal generator's frequency.
Set the signal generator's amplitude.
Turn-on Dual ARB.
Turn-on the signal generator's RF Output.
If there is a needed to save the setup for future use, use the signal generators Save and Recall features.
For these signal generators, there is the choice to use either SCPI commands or transfer the GMSK waveform file with a USB memory stick.
If more information is needed to complete the steps, refer the signal generator's SCPI and/or User documentation.
Ensure that the signal generator has at least the minimum N7600B waveform license requirement.
Use a USB memory stick or SCPI commands to load the waveform into volatile (BBG) or non-volatile (Internal storage) memory.
Internal storage memory is the better choice. This prevents losing the file when the signal generator is turned off.
The Test Case Manager software stores the GMSK Interferer waveform file in the same location as the other waveform files.
If the file was loaded into internal storage memory, use the signal generator Dual ARB mode to load the file into its BBG memory.
The file needs to reside in BBG memory for playback.
Set the signal generator's frequency.
Set the signal generator's amplitude.
Turn-on Dual ARB.
Turn-on the signal generator's RF Output.
If there is a needed to save the setup for future use, use the signal generators Save and Recall features.