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TDMA M3090/M3097:
RF_DET
B
R206
Page B25
TX_2.75
Page B27
SW_QMOD_KEY
Q270
Page B19
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Motorola's request.
Motorola Confidential Proprietary
RF Detect Circuit
CR904
C912
D
C911
R909
C906
R906
C907
L902
C
G
F
R908
C901
C902
CR902
R903
E
C903
CR901
Q901
Channel: 333
TX Freq: 879.99MHz
TX Power Level 2
VOLTAGE SUPPLIES
Colored boxes represent the area in
which the components are placed.
DET_800_1900
TL931
Power Step 2 3
4
5 6 7
A
2.73V 2.73V 2.73V 2.73V
0V
B
1.23V .87V
.63V
.46V 1.36V .96V
TX_STEP
ON
OFF
C
0.26V 0.60V
D
0.65V 0.06V
0.24V 1.24V
E
0.27V 2.71V
F
ON
OFF
TX
2.70V
0V
G
TX_2.75
TX_STEP
U201 Pin17
A
Page B17
0V
Page B27
Page B25
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