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Motorola Confidential Proprietary
TDMA Timeport™ P8190
Test Procedures
42
RX TEST
SINAD
dB
V
AC Level
8
22.25
24
0.6336
RF Gen Freq
MHz
879.990000
Amplitude
-116.0
dBm
-116.0
RF Out
Atten Hold
Output Port
RF Out / Dupl
On / Off
AF Gen1 Freq
1 . 0000
kHz
AF Gen1 To
FM
kHz
8.00
AF Gen2 Freq
1 . 0000
kHz
AF Gen2 To
FM
OFF
Filter 1
C message
Filter 2
15
kHz LPF
Ext
Load R
8 . 00
To Screen
RF GEN
RF ANL
AF ANL
SCOPE
SPEC ANL
ENCODER
DECODER
RADIO INT
More
RX Sensitivity Test (SINAD)
Communications Analyzer Setup:
Select
RX
button from the Screen Con
trol panel
Set
RX frequency
to
879.990 MHz
Set
Amplitude
to
-116 dBm
Set
AF gen1
to
1 kHz frequency
at
8 kHz deviation
, using
FM modula
tion
(PLEASE NOTE: this is for AMPS
only; NAMPS uses much lower devia
tion)
Set
AF Filter 1
set to
C message fil
tering
Set
AF Filter 2
to
15 kHz
Test Mode Commands:
11333# Loads synthesizer to chan
nel 333
08#
Unmute receive audio path
58#
Turn on compandor
474#
Set volume control to level 4
356#
Set RX audio path to Ext. Au
dio Path
Sinad measured on the communica-
tions analyzer must be more than
12dB
.
Duplex SINAD can be measured with the
same setup by entering 122# and the 05#
test command, which turns on the trans-
mitter at power step 2. Narrow band
SINAD can be measured by entering
571# and setting the FM Deviation to
3kHz. Refer to the RX troubleshooting
section for radios not within the pass
specifications.
Figure 25. RX Test Screen
RX Sensitivity Test (SINAD)
Summary of Contents for Timeport P8190
Page 1: ...DIGITAL WIRELESS TELEPHONE Model P8190 TDMA 800MHz Analog 800MHz Service Manual Level III ...
Page 3: ......
Page 28: ... 2000 Motorola Inc TDMA Timeport P8190 Cellular Overview 16 ...
Page 36: ...24 TDMA Timeport P8190 Accessories 2000 Motorola Inc ...
Page 44: ...Motorola Confidential Proprietary TDMA Timeport P8190 TDMA Test Mode NAM Programming 32 ...
Page 66: ...Motorola Confidential Proprietary TDMA Timeport P8190 Test Procedures 54 ...
Page 76: ...64 TDMA Timeport P8190 Disassembly Speaker Vibrator Removal Motorola Confidential Proprietary ...
Page 88: ...76 TDMA Timeport P8190 Parts List Motorola Confidential Proprietary ...