User Manual
Power Delta Calibration – continued
Jan 2002
G-9
SC4812ET BTS Optimization/ATP — CDMA LMF
Figure G-6: Delta Calibration Setup – HP8935 to HP8935
Hewlett–Packard Model HP 8935
Short RF Cable
DUPLEX OUT
RF IN/OUT
FW00806
Agilent E4406A Power Delta
Calibration
The Agilent E4406A transmitter tester and E4432B signal generator test
equipment combination can be used for CDMA 2000 as well as
IS–95A/B operation modes. The power delta calibration is performed on
the E4406A, but the E4432B is required to generate the reference signal
used to calculate the power delta offset. After the offset value has been
calculated, add it to the TX cable loss value in the LMF.
Follow the procedure in Table G-4 to perform the Agilent E4406A
Power Delta Calibration procedure.
Table G-4: Agilent E4406A 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. After it is warmed up and stabilized, calibrate the test equipment as described in the
“Test Set Calibration” section of the Optimization/Calibration chapter in the SC 4812ET
Optimization/ATP manual.
1
Zero the Power Meter prior to connecting the power sensor to the RF cable from the signal generator.
* IMPORTANT
For best accuracy, always re–zero the power meter before connecting the power sensor to the
component being calibrated.
2 Connect a short RF cable from the E4432B RF OUTPUT connector the HP437 power meter power
sensor (see Figure G-7).
3 Set the E4432B signal generator as follows:
– Press Preset to exit any modes for which the signal generator is configured.
– Press Frequency and enter the frequency of the channel to be calibrated on the numeric keypad.
– Using the soft keys to the right of the screen, select the frequency range to be measured; for
example MHz.
– Press Amplitude and, using the numeric keypad, set signal amplitude to 0 (zero).
– Using the soft keys, set the measurement type to dBm.
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