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PERFORM CAL: 2 PORT
CAL METHOD: STANDARD
LINE TYPE: COAXIAL
SELECT CALIBRATION TYPE: TRANSMISSION
FREQUENCY RESPONSE
PATH: FORWARD PATH (S
21
)
USE OF ISOLATION IN CALIBRATION: INCLUDE
FREQUENCY RANGE: 800 MHz TO 2400 MHz
SELECT CALIBRATION DATA POINTS: NORMAL
DATA POINTS: 401 POINTS
TEST SIGNAL/PORT 1 POWER: 10 dBm
Step 10. After the selections are complete, press the START CAL soft
key to begin calibration.
Step 11. Install calibration device per instruction on the display. Select
the appropriate soft key to measure. Connect a cable between
Test Port 1 and Test Port 2 of MS4782X Test Set when the soft-
ware prompts for a throughline on the display.
Step 12. When the “CALIBRATION SEQUENCE COMPLETED” mes-
sage is displayed, press the Enter key to continue.
Step 13. Press Avg key and select:
SELECT I.F. BANDWIDTH
I.F.BW10Hz
Step 14. Remove the through cable between Test Port 1 and Test Port 2
of MS4782X Test Set and connect terminations to both ports.
Step 15. Press Display key and then select SCALE.
Step 16. Set REFERENCE VALUE to -80.
Step 17. Verify that the trace is less than -80 dB.
PERFORMANCE VERIFICATION SYSTEM DYNAMIC RANGE
ME7840A OMM 6-7