3-10 LTE Signal Analyzer Option 541 and/or 542 and/or 543 Verification Chapter 3 — Options Verification
3-44 PN: 10580-00279 Rev. E MS272xC MM
n. Turn the output On.
6. Adjust the MG3700A Level setting with the knob so that the power meter reads –10.0 dBm ± 0.5 dB.
7. Set the MS272xC to LTE Signal Analyzer mode and Preset the instrument.
8. Set the MS272xC as follows:
a. Press the Freq main menu key and set the Center Freq to 750 MHz.
b. Press the Measurements main menu key and select Modulation.
c. Press the Constellation submenu key.
9. Record the MS272xC Residual EVM(rms) and Frequency Error reading into the section
“750 MHz, –10 dBm” in Table A-127, “Option 542, LTE Residual EVM and Frequency Accuracy”
on page A-54.
10. Verify that the values are within specification.
11. Adjust the MG3700A Level setting to approximately –33 dBm so that the power meter reads
–50.0 dBm ± 0.5 dB.
12. Record the MS272xC Residual EVM(rms) and Frequency Error reading into the section
“750 MHz, –50 dBm” in Table A-127.
13. Verify that the values are within specification.
14. Set the calibration factor frequency of the power sensor to 2150 MHz.
15. Set MG3700A Frequency to 2150 MHz. Press the Set key.
16. Adjust the MG3700A Level setting with the knob so that the power meter reads –10.0 dBm ± 0.5 dB.
17. Change the Center Frequency of the MS272xC to 2150 MHz.
18. Record the MS272xC Residual EVM and Frequency Error reading into the section
“2150 MHz, –10 dBm” in Table A-127.
19. Verify that the values are within specification.
20. Adjust the MG3700A Level setting to approximately –33 dBm so that the power meter reads
–50.0 dBm ± 0.5 dB.
21. Record the MS272xC Residual EVM and Frequency Error reading into the section
“2150 MHz, –50 dBm” in Table A-127.
22. xxVerify that the values are within specification.
23.
For instruments with option 543, press the Setup main menu key and set the BW to 20 MHz then repeat
Step 5 Substep a through Step 22 using the E-TM_3-1_20M pattern for Step 5 Substep i.
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