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Test Procedures
TX Maximum Deviation Test
TX Maximum Deviation Test
Figure 28. TX Test Screen
TX Frequency
MHZ
834.9900
Tx Power
dBm
27.49
Input Port
Tune Mode
RF In / Ant
Auto / Manual
If Filter
Tune Freq
230 KHz
834.990000
MHz
Ext TX Key
Tx Pwr Zero
On / Off
Zero
Test Mode Commands:
11333#
Load synthesizer to channel
333
122#
Set power level to power step
2
05#
Turn on transmit carrier
356#
Select External TX Audio path
10#
Unmute TX Audio path
58#
Turn on compandor
View FM Deviation for reading.
TX Maximum Deviation Pass Speci-
fications:
9.8 kHz - 12
42
TX TEST
FM Deviation
dB
11.58
AF Freq
1.00000
AF Gen 1 Freq
AF Anl In
FM Demod
1.0000
KHz
Filter 1
AF Gen 1 Lvl
50 Hz HPF
6.00
Filter 2
V
15 KHz LPF
De-Emphasis
750 us / Off
Detector
Pk +- Max
kHz.
Motorola Confidential Proprietary
Communications Analyzer Setup:
• Select TX button from the Screen
KHz
Control panel
• PWR is measured in dBm
KHz
• Set Frequency Measurement to auto
or manual (display will show TX Freq.
Error)
To Screen
• Set TX frequency to 834.990 MHz
RF GEN
RF ANL
• Set IF filter to 230 kHz
AF ANL
SCOPE
SPEC ANL
• Set AF Filter 1 to 50 Hz
ENCODER
DECODER
RADIO INT
• Set AF Filter 2 to 15 kHz
• Set AF gen1 for 1 kHz frequency at
More
6V level (output will go to the audio
port)
TDMA T2290/T2297
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