Motorola MOTOTRBO XPR 7550e - Figure 7-18. Transmitter Schematic Diagram

7-20 Circuit Board/Schematic Diagrams and Parts List for VHF
R0918
C0901
R0906
R0908
R0905
C0911C0910
C0900
21
VDET_PIN1
R0910
R0911
C0902
C0905C0904
R0913R0912
U0900
E0900
1
48
1
3
2
R0901
R0902
C0906
ANA_TX_RAMP
IN
R0922
U0900
C0908
R0916
L0900
C0907
R0915
48
7
5
6
VR0901
TP_TX_VCTRL
TX_VCTRL
12
1
R0921
R0920
C0909
U0901
ANA_TX_ALC_TEMP
2
13
VOUT
GND
OUT
POS
DIG_TX_PWCTRL_EN
IN
Q0900
C0903
1
4
6
3
2
5
10K
10K
10K
10K
DC_RAWB+
IN
R0766
E0701
L0730
C0748
C0747
TP_TX_ANT_EN
C0706
R0704
C0705
DC_LIN_VWLAN2_3.3V
DC_SW_BP_3.6V
DIG_TX_ANT_EN
1
IN
IN
IN
Q0701
2
1
3
S
D
G
Q0700
3
1
2
10K
47K
R0703
L0703
U0700
4
63
1
5 2
RFIN
VBIAS
GND
GND
NC
RFOUT
C0704
C0736
L0702
C0703
C0701
L0701
R0702
R0701
C0700
R0700
TL_TX_INJ_SHIELD
21
IN
C0710
C0711C0709
R0709
C0712
L0704
C0708
21
R0716
R0708
C0732
R0707
TX_VCTRL
R0710
R0711
R0712
C0718
SH0801
M0700
2 1
1
POS
C0730C0724 C0726 C0727C0725C0722C0721
C0734
C0733
L0788
C0723
L0721
C0808C0735 C0806C0802
C0830
L0805
C0807
C0816
DIG_TX_ANT_EN
C0815
VR0804
U0800
TL_RX_IN_SHIELD
12
10
2
8
5
11
9 7 6 4 3 1
12
G1
GND1
GND2
GND3 GND5
GND4
VDD
CTRL
GND6
GND7
CTGND
RF2
RF3
RF1
OUT
L0806
C0818
C0804
C0801
C0803
L0802L0801
C0728
C0743
L0710
C0742
C0741
DC_RAWB+_TX2
L0720
C0745C0744
C0714
L0713
C0716
C0719
L0711
L0712
C0713
Q0710
C0720
R0714
21
2
1
3
G
S
D
Q0720
3
2
1
S
D
R0833
DC_LIN_VWLAN2_3.3V
IN
C0813
C0814
C0812
E0803
DC_SW_BP_3.6V
IN
C0817
C0811
M0800
VR0801
2
1
4
3
12
IN
GND1
GND2
OUT
R0801
L0804
C0809
C0810
VR0803
E0800
12
4
3
2
1
TAB1
TAB4
TAB3
TAB2
SH0802
2 1
C0715
C0702
C0707
Figure 7-18. Transmitter Schematic Diagram