User Manual

Power Delta Calibration – continued

Jan 2002

G-7

SC4812ET BTS Optimization/ATP — CDMA LMF

Figure G-4: Delta Calibration Setup – R3561L to R3465

R3561L

RF OUT

INPUT

Short RF Cable

R3465

FW00804

HP8935 Power Delta

Calibration

Follow the procedure in Table G-3 to perform the HP8935 Power Delta

Calibration procedure.

Table G-3: HP8935 Power Delta Calibration Procedure

Step Action

* IMPORTANT

Perform this procedure after test equipment has been allowed to warm–up and stabilize for a minimum

of 60 minutes.

1 Connect a short RF cable between the HP8935 Duplex Out port and the HP437B power sensor (see

Figure G-5).

2 Set the HP8935 signal source as follows:

– Measure mode to CDMA Gen

– Frequency to the CDMA Calibration target frequency

– CW RF Path to IQ

– Output Port to Dupl

– Data Source to Random

– Amplitude to 0 dBm

3 Measure and record the power value reading on the HP437B Power Meter.

4 Record the Power Meter reading as result A ________________________.

5 Turn off the source HP8935 signal output, and disconnect the HP437B.

NOTE

Leave the settings on the source HP8935 for convenience in the following steps.

6 Connect the short RF cable between the source HP8935 Duplex Out port and the RF–IN/OUT port

(see Figure G-6).

7 Ensure that the source HP8935 settings are the same as in Step 2.

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