Test Procedures
Motorola Confidential Proprietary
48
CDMA T720
TX Frequency Error Test
Communications Analyzer
Setup
:
• Select TX button from the Analog
Screen Control panel
• PWR ismeasured indBm
• Set Frequency Measurement to
auto or manual (display will show
TX Freq. Error)
• SetTXfrequencyto 835.05MHz
• SetIF filter to 230 kHz
• SetAF Filter1 to 50 Hz
• SetAF Filter 2 to 15 kHz
• SetAF gen1 for 1 kHz frequency
at6V level (output will go to the au-
dio port)
Test Mode Commands:
The frequency error measured on the
communications analyzer must be less
than ±1 kHz.
TX TEST
Tune Mode
Input Port
RF in/Ant
AFGen1 Freq
11.58
1.0000
KHz
AF Freq
TX F requency
Auto/Manual
AF Anl In
FM Demod
Detector
Pk+ - Max
AFGen1 Lvl
6.00
V
TX Power
KHz
KHzFM Deviation
MHz
dB
Tune Freq
IF F ilter
230 kHz
Ext TX Key
On/Off
750 .s /Off
De-Emphasis
15kHz LPF
Filter 2
50 Hz HPF
Filter 1
TX P wr Zero
Zero
834.990000
1.00000
834.9900
27.60
To S creen
CDMA
CALL CN TL
SMS
AUTHEN
Analog
RX TEST
Config
TESTS
Using RadioComm software
- Suspend Radio
- Load synthesizer to channel 350
- Set power level to step 2,
- Turn on Carrier
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