Trace: • USRP Calibration Procedure
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gp_simulator:usrp_calibration_procedure [2019/02/26 18:29] yasko |
gp_simulator:usrp_calibration_procedure [2019/02/27 15:06] (current) admin |
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=====USRP Calibration Procedure===== | =====USRP Calibration Procedure===== | ||
- | To calibrate the USRP, follow the steps provided below. In the "USRP" tab:\\ | + | To calibrate the USRP, follow the steps provided below. |
- | * Check the "Conducted Connection" box; \\ | + | |
- | * Define the corresponding values in the "USRP Cal Facrotor, db" and "Attenuator, db" fields, set "Cable Length" to 0, and then select the required "Spoofing Mode."\\ | + | In the "USRP" tab: |
- | * Spoofing Mode to Asynchronous\\ | + | * Check the "Conducted connection" box; |
+ | * Define the corresponding values in the "**USRP Cal Facrotor, dB**" and "**Attenuator, dB**" fields, set "**Cable Length, m**" to **0**, and then select the required "Spoofing Mode;" | ||
{{:gp_simulator:gp-simulator_usrp_calibration.png?600|}} | {{:gp_simulator:gp-simulator_usrp_calibration.png?600|}} | ||
\\ | \\ | ||
- | * Connect RF out of USRP to spectrum analyzer or RF power meter. If the spectrum analyzer is set to CF to 1575.42 MHz and bandwith to 10 MHz and switch on power measurement. | + | * Connect RF port of the USRP to the spectrum analyzer or RF power meter. When using the spectrum analyzer, we recommend set **CF** to **1575.42 MHz**, **bandwidth** to **10 MHz**, and switching on the power measurement mode; |
- | * Set "DUT input power, dBm" to "-20 dBm" | + | * Set "**DUT input power, dBm**" to "**-20 dBm**" respectively; |
- | * Click on the "Scenario Start" button. | + | * Click on the "Start Scenario" button to finish; |
{{:gp_simulator:gp-simulator_usrp_start_calibration.png?600|}} | {{:gp_simulator:gp-simulator_usrp_start_calibration.png?600|}} | ||
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<WRAP left round info 60%> | <WRAP left round info 60%> | ||
- | The measured power in the bandwidth should be within "-45 dbm" range. | + | The measured power in the bandwidth should be within the "-45 dBm" range. |
</WRAP> | </WRAP> | ||
\\ | \\ |