Anritsu MT8801C - Measuring Maximum RF Output Power

5-15
5.2 Testing CDMA Mobile station Output
5.2.4 Measuring maximum RF output power
Maximum RF output power is the maximum output power measured at the antenna
connector of the CDMA mobile station.
Measurement procedure
The explanation in this section starts at the completion of the setting explained in 5.1.2
“Setting MT8801C and the CDMA mobile station”.
(1) Press the F6 (Main Func On Off) key to turn the Main Func On.
(2) Press the F1 (TX & RX Tester) key.
(3) Press the key of Next Menu to display the second page of main function keys
(F1 to F5).
(4) Press the F5 (Stop) key (the Call Proc. status becomes the Idle status).
(5) Turn OFF the CDMA mobile station power (the Loopback status is released).
(6) Set the following items on the Setup Common Parameter screen:
♦ Set BS Output Level at –104.0 dBm.
♦ Set Access Parameter NOM_PWR at 7 dBm.
♦ Set Access Parameter INIT_PWR at 15 dBm.
(7) Press the key of Next Menu to display the first page of main function keys (F1
to F5).
(8) Press the F1 (TX Measure) key.
(9) Press the key of Next Menu to display the second page of function keys (F7
to F12).
(10) Press the F9 (Setup TX Parameter) key.
(11) Set the following items on the Setup TX Measure Parameter screen:
♦ Set Access Parameter PWR_STEP at 7 dBm.
♦ Set Access Parameter NUM_STEP at 15.
♦ Set Access Parameter MAX_RSP_SEQ at 15.
♦ Set Power Control Bit Pattern to be ALL0.
(12) Press the F12 (Back Screen) key.
(13) Press the key of Next Menu to display the second page of main function keys
(F1 to F5).
(14) Press the F5 (Start) key. Turn ON the CDMA mobile station power when the
Call Proc. status becomes the Idle status.
(15) Wait until the Call Proc. status becomes the Idle (Regist).
(16) Press the F2 (NW Originate) key
(17) Wait until the Call Proc. status becomes Loopback.
(18) Press the key of Next Menu to display the first page of main function keys (F1
to F5).
(19) Press the F1 (TX Measure) key.
(20) Press the F12 (Power Meter) key.
(21) Press the key of Next Menu to display the first page of function keys (F7 to
F12).
(22) Press the F11 (Adjust Range) key to optimize the measurement range.