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Test Procedures
TX SAT Deviation Test
TX SAT Deviation Test
Figure 29. Call Control Screen
Tx Frequency
kHz
-0.199
Tx Power
dBm
25.2
Tune Mode
Rf Gen Freq
Auto / Manual
879.990000
MHz
Tune Freq
Amplitud
834.990000
e
-50.0
MHz
dBm
Atten Hold
Input Port
RF In / Ant
On / Off
IF Filter
Output Port
15 KHz
RF Out /
Dupl
Ext TX key
On / Off
Test Mode Commands:
11333#
Load synthesizer to channel
333
122#
Set power level to power step
2
05#
Turn on transmit carrier
251#
Enable 6000 Hz SAT tone
View FM Deviation for the reading.
The transponded SAT FM deviation
specifications:
The demodulated signal on the com-
munications analyzer should have
an audio frequency of
46
DUPLEX TEST
FM Deviation
d
B
2.000
AF Freq
6.00000
AF Anl In
AF Gen1 Freq
FM Demod
6.0000
kHz
Filter 1
AFGen1 To
50 Hz HPF
FM
Filter 2
2.0
6kHz BPF
kHz
DE Emphasis
FM Coupling
750 us / Off
AC / DC
Detector
Audio Out
Pk+-/2
AC / DC
1.95 kHz - 2.2
kHz.
6000
Hz.
Motorola Confidential Proprietary
Communications Analyzer Setup:
kHz
• Select DUPLEX button from the Screen
Control panel
kHz
• PWR is measured in dBm
• Set Frequency Measurement to
auto or manual (display will show TX
Freq. Error)
To Screen
• Set Tune freq to 834.990000 MHz
RF GEN
RF ANL
AF ANL
• Set Input Port to RF In
SCOPE
SPEC ANL
• Set IF filter to 15 kHz
ENCODER
DECODER
RADIO INT
• Set Ext TX Key to Off
• Set RF Gen Freq to 879.990000 MHz
More
• Set Amplitude to -50 dBm
• Set Atten Hold to Off
• Set Output Port to Dupl
• Set AF Gen1 Freq to 6.0000 kHz
• Set AF Gen1 To to FM and 2.0 kHz
• Set FM Coupling to AC
• Set Audio Out to AC
• Set AF Anl In to FM Demod
• Set Filter 1 to 50 Hz HPF
• Set Filter 2 to 6 kHz BPF
• Set DE Emphasis to Off
• Set Detector to Pk+-/2
TDMA Timeport™ P8190
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