Anritsu MT8801C - Measuring Dynamic Range

5-35
5.3 Testing CDMA Mobile station Input
5.3.3 Measuring dynamic range
Dynamic range is the input power range where FER (Frame Error Rate) does not
exceed the specified value (0.5).
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) Press the F2 (RX Measure) key.
(5) Press the F7 (FER Measure) key.
(6) Check whether AWGN is set to Off on the Frame Error Rate screen.
(7) Set the following items on the Frame Error Rate screen:
♦ Set BS Output Level at –104.0 dBm.
♦ Set Traffic Channel Level at –15.6 dB.
(8) Press the F12 (Back Screen) key.
(9) Press the key of Next Menu to display the second page of function keys (F7
to F12).
(10) Press the F9 (Setup RX Parameter) key.
(11) Set the following items on the Setup RX Measure Parameter screen:
♦ Set Sample to be 1000 Frame.
♦ Set FER at 0.5 %.
♦ Set FER Upper Limit at 0.5 %.
(12) Press the F12 (Back Screen) key.
(13) Press the key of Next Menu to display the first page of function keys (F7 to
F12).
(14) Press the F7 (FER Measure) key (to display the Frame Error Rate screen).