Nuf6410B/C, Nuf6498B/C, Nuf6500B/C And Nuf6501C (800Mhz) Transceiver Boards' Schematic Diagram (Sheet 1 Of 2) - Motorola HT-1000 Service Manual
Mtx series
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C121
20pF
CR101
1
2
R111
10K
0V RX
6-6.8V TX
R199
0
C137
33pF
S101
SWITCH
C151
ANTENNA
20pF
1
3
1
2
CONTACT
C150
TO UNIVERSAL
J401
4
L108
2.4pF
CONNECTOR
180nH
8
EXTERNAL
ANTENNA
2
5 6 7
9
RF SWITCH
G1
1
CR109
3
2
TO UNIVERSAL
2
CONNECTOR
EXTERNAL
1
ANTENNA
C141
C153
10pF
2.4pF
C12
3.3pF
DAC_SEL
R114
22K
3
CR103
2
3
1
NC
R110
C117
10K
33pF
10
7
5
2
U105
C2
R2
8
9
U104
RF PA
C1
R1
3
4
COUPLER
5
1
RF_OUT
RF_IN
RFOUT
RFIN
1
6
2
4
3
L105
33nH
2
1
CR108
C135
3
33pF
C107
C109
33pF
*
5.1V TX
L127
6.5nH
0V RX
L126
C108
C105
C106
180nH
33pF
.022uF
C149
*
2.4pF
R128
51K
TX 5V
4.3 V TX
7.4 V RX
C138
20pF
C15
.022uF
R28
10K
6
U1
RF_OUT
1
7
2
IN
U4
OUT
RF_IN
RF
3-POLE FILTER
2
13
AMPLIFIER
GND
GND
3
12
GND
GND
C16
C10
1
3 8
.55- .7V
7.5pF
2.2pF
4
5
6
8 9 10 11
NOTE:
INDICATES A COMPONENT THAT IS NOT PLACED
*
5VREG
LCK
B+
CLK
D
C132
.022uF
5V TX 0V RX
NC
NC
A3
D2 C1
C2 B1
B2
E3
CLK
SW1
0V TX 5V RX
C3
D1
SEL
SW2
U102
A4
EN_BIAS
0V RX
B4
D4
R113
EN_ANT
REF_DA
5V TX
10K
NC
DAC
C4
TX_DA
A2
C5
R104
DATA
RX_DA
B3
NC
0
RESET
D5
R_T
D3
E4
B5
E2
NC
6.6V TX 7.5V RX
R129
1K
1
Q101
RT101
2
3
50K
C102
C120
C104
C101
C103
33pF
0.1uF
1uF
.022uF
33pF
4
2
3
C110
Q110
33pF
1
L9
270nH
C6
C8
C5
47pF
33pF
5V
L8
C31
C19
180nH
.022uF
39pF
CR107
3
C4
12pF
7
1
2
1
7
U5
IN
OUT
3-POLE FILTER
4
2
13
ABP
GND
GND
5
3
12
AG2
GND
GND
R27
10
C13
C72
C88
4
5
6
8 9 10
11
10uF
39pF
5.1pF
C11
100pF
NUF6410B/C, NUF6498B/C, NUF6500B/C AND NUF6501C (800MHz)
TRANSCEIVER BOARDS' SCHEMATIC DIAGRAM (Sheet 1 of 2)
76
5VREG
Q108
5
1
0V TX 5V RX
4
C119
.022uF
3
2
C133
10uF
5V TX 0V RX
C123
R105
33pF
*
C118
R103
33pF
1K
.37V TX 7.5V RX
R102
5.6K
C113
33pF
E4
D4 E3
D3
C122
E2
33pF
C111
ICATH_2
33pF
C4
D1
5V_TX
TX 12
D5
D2
TEMP_SENSE
RX_1
U101
C5
C1
DA_REF
BIAS_RT
C3
ALC
C2
INT_CAP_OUT
ANODE_2
B5
B1
PA_CNT L
ANT_SW_BS
B4
B2
R120
PA_OUT
CATH_1
2K
C115
0.22uF
A4
A3
B3
A2
C140
.022uF
R3
100
3300pF
C98
T1
330pF
XFMR
3
4
3
7
11
RFN
IFN
8
2
12
RFP
U2
IFP
C7
2
6.2pF
MIXER
BBP
5
1
14
4
LOIN
BUFFER
BDIV
3.93V
C84
C82
C89
C83
C85
R7
.022uF
.022uF
.022uF
39pF
10uF
100
1 5
6
9 10 13
LCK
B+
CLK
D
Tx_RF
R101
3.3K
AGC
LO
5V
C92
.022uF
5V
IF
3
4
T2
15V07
2
5V
1
5
C90
C91
39pF
10uF
63B81097C05-O
Sheet 1 of 2
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