Anritsu MT8801C - 5.2 Testing CDMA Mobile Station Output; Measuring Open Loop Output Power

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5.2 Testing CDMA Mobile station Output
5.2.2 Measuring open loop output power
Open loop output power is calculated from the input power of the CDMA mobile
station.
[Output power (dBm)]
= – [Input power (dBm)] –73
+ [Access Parameter NOM_PWR (dB) ]
+ [Access Parameter INIT_PWR (dB) ]
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 On the Main Func.
(2) Press the F1 (TX & RX Tester) key.
(3) Check whether the Loopback status is displayed on the Setup Common Param-
eter screen.
(4) Set the following item on the Setup Common Parameter screen:
♦ Set BS Output Level at –25.0 dBm.
(5) Press the F1 (TX Measure) key.
(6) Press the F12 (Power Meter) key.
(7) The Power Meter screen is displayed (shown below).
(8) Press the key of Next Menu to display the second page of function keys (F7
to F12).
(9) Press the F8 (Power Control Bit Pattern) key to set Power Control Bit to be
Alternate.
(10) Press the F7 (Power Measure Method) key to set Power Measure Method to be
IF Level Meter.
(11) Press the key of Next Menu to display the first page of function keys (F7 to
F12).