Anritsu Performance Verification, Return Loss Confidence Test, ME7840A OMM, Line Type Coaxial

PERFORMANCE VERIFICATION RETURN LOSS CONFIDENCE TEST

Step 6. Connect SC5237 6 dB Offset Termination to Test Port 1 of MS4782 Test Set. Record the measured value in Table 6-1and verify the measured S11 value is 6 ±0.4 dB. Remove SC5237 Termination.

Step 7. Connect SC5270 20 dB Offset Termination to Test Port 1 of MS4782 Test Set. Record the measured value in Table 6-1and verify the measured S11 value is 20 ± 1.0 dB. Remove SC5270 Termination.

Step 8. If system does not have Hot S22 capability, skip steps 8 to 15.

Step 9. Press Cal key.

Step 10. Follow the prompts and select:

PERFORM CAL: 2 PORT

CAL METHOD: STANDARD

LINE TYPE: COAXIAL

SELECT CALIBRATION TYPE: REFLECTION ONLY –

PORT 2 ONLY

FREQUENCY RANGE OF CALIBRATION: 800 MHz TO

1000 MHz

SELECT CALIBRATION DATA POINTS: NORMAL

DATA POINTS: 401 POINTS

PORT 2 CONNECTOR TYPE: N (F)

LOAD TYPE: BROADBAND LOAD

Step 11. Select START CAL soft key to begin calibration.

Step 12. Install calibration device per instruction on the display. Select the appropriate soft key to measure the calibration device.

Step 13. When the “CALIBRATION SEQUENCE COMPLETED” mes-

sage is displayed, press the Enter key to continue.

Step 14. Connect SC5237 6 dB Offset Termination toTest Port 2 of MS4782 Test Set. Record the measured value in Table 6-1and verify the measured S22 value is 6 ± 0.4 dB. Remove SC5237 Termination.

Step 15. Connect SC5270 20 dB Offset Termination to Test Port 2 of MS4782 Test Set. Record the measured value in Table 6-1and verify the measured S22 value is 20 ± 1.0 dB. Remove SC5270 Termination.

ME7840A OMM 6-5