Motorola Mototrbo - Page 256

2-8 UHF1 (403–470 MHz) 25–40W PCB/Schematics/Parts List
DNP DNP
C0739
C0737C0733C0730C0726
E0701
C0723C0721C0716C0712C0707
PA_SUPPLY
DNP
C0742C0740C0748C0745
C0755
R0736
E0703
A+
DNPDNP
C0752C0751C0818
9V3_TX_SW_MN
8
7
6
3
2
1
R0879
Q0876
Q0875
R0877
R0878
9V3_TX
3
5
4
ACTIVE HIGH
TP0709
PA_RO_ANT_ENB
R0883
R0882
C0885
ANT_ENB
ANTENNA_EN
1
11
2
IN
10K
47K
HARMONIC FILTER
SH0850
2
1
R0951R0952
L0950L0951
D0950
R0950
C0950
C0951
C0952
REV_DETECTED
2
3
1
J0700
J0700
J0700
J0700
J0700
L0729R0759
G2
G1
3
2
1
R0956
L0952
R0957
R0958
R0954
R0955
FWD_POWER
FWD_DETECTED
C0955
C0954
D0951
2
3
1
R0953
C0953
DNP
C0876
L0875
L0885
C0875
C0880
D0875
2.2VDC(TX ONLY)
DNP DNP
2.2VDC(TX ONLY)
R0744R0742
TP0707TP0706
R0740R0738
GATE_1 GATE_2
1 1
C0753 R0746C0764C0761
TP0708
R0743R0741C0754R0737
FINAL_BIAS
1
PA_CTL_9V3
PA_VCO_9V3
PA_RO_9V3
9V3 9V3
PA_RO_9V3
PA_VCO_9V3
1
1
1
OUT
IN
OUT
D0876
C0886
PA_RXFE_RX_IN
RX_IN
1
2
4 3
1
OUT
LONG TRACE ALONG PA
BYPASS BOTH SIDES
L0876
C0877
DNP
R0876
C0879C0878
9V3_TX_SW_MN
TP0710
R0723
PA_RO_BIAS
R0739
BIAS
V_CONT
FINAL_BIAS
V_CONTROL
1
1
IN
L0880C0882C0883
R0712L0707 R0711C0760C0735C0702C0700
C0848
C0732
Q0701
4
6 5
1
3
2
47K
2.2K
47K
47K
E0700
ANTENNA_EN
DNP
TP0704
TP0703
C0720
C0719
Q0703
1
1
31
42
RF_IN
GND1
GND2
VD_RF_OUT
TEST POINT TO CHECK REF OSC WARPING
C0847
C0846
C0845
L0720
R0706
R0707R0705R0703
TP0701
C0703
PA_RO_TX1
TX1
1
1
IN
DNP
DNP
DNP
DNP
DNP
DNP
C0715
R0708
L0704L0703
D0700
C0704
HI_PWR_PAD LO_PWR_PAD
DNP
C0705
1
3
2
L0730L0701L0700
DNP
C0710
C0706
R0704
R0700
C0701
V_G1
V_CONT
DNP
R0722
C0746
R0745
Q0700
R0702
2
1
3
D
S
G
DNP
DNP
DNP
L0702
R0713
R0701
TP0700
L0709
C0718
9V3_TX
1
DNP
C0849
C0724
C0722
C0713
C0709
C0717
L0705
C0711
TP0702
C0708
1
DNP
DNP
C0791
C0790
C0805
C0794
C0800
C0795
C0727C0731
M0700
R0718
V_G2
1
POS
DNP
DNP
DNP
DNP
DNP
DNP
C0815
C0844
C0843
R0730
R0731
R0732
C0808
R0733
R0734
C0814
C0803
C0804
C0797
C0799
GATE_2
DNP
DNP
R0724
C0816
8
5
4 1
7
6
3
2
9
G2
S3
S4
S2 S1
G1
D2
CE
D1
DNP
Q0705
R0729
GATE_1
DNP
DNP
C0813
C0812
R0725
R0726
R0727
R0728
DNP
DNP
DNP
C0772
C0749
C0842
C0841
C0802
C0801
C0744
C0793
C0798
C0796
C0743
C0741
L0708
TP0705
Q0704
R0719
1
2
3
1
D
S
G
DNP
C0747
R0714
R0715
R0720
R0716
R0717
V_CONT
C0725
C0789
DNP
R0849
C0729
C0734
R0721
C0738
9V3_TX
9V3_TX
9V3_PA
DNP
C0766C0763C0759C0757
DNP
L0710
C0765C0762C0758C0756
DNP
C0769
L0878
D0877
C0888
L0877
C0884
C0881
C0824
C0822
DNP
DNP
DNP
DNP
DNP
C0887
L0711
C0770C0768
C0771
C0767
R0735
C0856
C0855
L0852
C0854
L0851
C0853
L0850
C0852
C0851
C0850
UHF1 (403–470 MHz) 25–40W Transmitter Power Amplifier Schematic Diagram