3-7 Option 883, LTE Signal Analyzer Verification Chapter 3 — Options Verification
3-28 PN: 10580-00342 Rev. D MS2720T MM
6. Adjust the MG3700A Level setting with the knob so that the power meter reads –15.0 dBm ± 0.5 dB.
7. Set the MS2720T to LTE Signal Analyzer mode and Preset the instrument.
8. Set the MS2720T 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 MS2720T Frequency Error reading into the section
“750 MHz, –15 dBm” in Table A-92, “Demodulation, LTE Frequency Accuracy” on page A-46.
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 MS2720T Frequency Error reading into the section
“750 MHz, –50 dBm” in Table A-92.
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 –15.0 dBm ± 0.5 dB.
17. Change the Center Frequency of the MS2720T to 2150 MHz.
18. Record the MS2720T Frequency Error reading into the section “2150 MHz, –15 dBm” in Table A-92.
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 MS2720T Frequency Error reading into the section “2150 MHz, –50 dBm” in Table A-92.
22. xxVerify that the values are within specification.
23. 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.
To Next Page
Loading...
