Test procedure: -4 – Anritsu ME7840A User Manual

Page 101

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Step 6.

Connect SC5237 6 dB Offset Termination to

Test Port

1 of

MS4782 Test Set. Record the measured value in Table 6-1
and verify the measured S

11

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 6-1
and verify the measured S

11

value is 20 ± 1.0 dB. Remove

SC5270 Termination.

Step 8.

If system does not have Hot S

22

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 to

Test Port 2

of

MS4782 Test Set. Record the measured value in Table 6-1
and verify the measured S

22

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 6-1
and verify the measured S

22

value is 20 ± 1.0 dB. Remove

SC5270 Termination.

PERFORMANCE VERIFICATION

RETURN LOSS CONFIDENCE TEST

ME7840A OMM

6-5

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