Tx St Deviation Test - Motorola V120x Instruction Manual

TX ST Deviation Test

TX Frequency
M Hz
834.9900
d B
TX Po wer
27.60
Inp ut Po rt
Tun e Mo de
Auto /M anu al
RF in/An t
Tune Freq IF Filter
23 0 k Hz
834 .99 00 00
TX Pwr Zero
Ex t T X Key
Zero
On/Off
TestModeCommands:
Using RadioComm software (Please refer to the
RadioComm Test Procedure)
- Suspend Radio
- Load synthesizer to channel 333
- Set power level to power step 2,
- Turn on Carrier
- Enable signaling tone
View FM Deviation for reading.
The peak ST deviation measured on the
communications analyzer should be
±800 Hz deviation.
The demodulated signal on the communi-
cations analyzer should have an audio fre-
quency of 10 kHz.
TX TEST
FM D ev iation
7.890
AF Freq
10.0000
AF Anl In AFGen1 Freq To Screen
1 .00 00
FM D emod
KH z
CA LL C NTL
Filter 1 AFGen1 Lvl SMS
AU THEN
6.0 0
50 Hz H PF
Filter 2
V
15k Hz L PF
RX TEST
De-Emph asis
750 . s /Off
Detector
Pk+ - M ax
8 kHz
Communications Analyzer
KHz
Setup
• SelectTX button from the Analog
Screen Control panel
KHz
• PWR ismeasured in d Bm
• Set Frequency Measurement to
auto or manual (display will show
CDM A
TX Freq. Error)
• SetTX frequency to 834.990 MHz
• SetIF filter to 230 kHz
Analog
• SetAF Filter 1 to 50 Hz
Config
• SetAF Filter 2 to 15 kHz
TESTS
• SetAF gen1 for 1 kHz frequency
at 6V level (output will go to the au-
dio port)
41
Motorola Confidential Proprietary
Test Procedures
: