Nuf/Pmuf6499D (900Mhz) Transceiver Boards' Schematic Diagram (Sheet 1 Of 2) - Motorola HT-1000 Service Manual

C121
20pF
0V RX
6-6.8V TX
C137
R199
4.7pF
0
S101
SWITCH
C151
ANTENNA 15pF
1 3
1
2
C150
CONTACT
TO UNIVERSAL 3.3pF
L108 4
J401
CONNECTOR
180nH
8
EXTERNAL
ANTENNA
RF SWITCH
2
5 6 7 9
G1
CR109
1
P402 3
2
TO UNIVERSAL
2
CONNECTOR
EXTERNAL
1
ANTENNA
C141
C153
3.3pF
2pF
* INDICATES A COMPONENT THAT IS NOT PLACED
1
2
C1 2 3
3.3pF
DAC_SEL 5VREG
R114
22K
C132
CR101
.022uF
1
3
2
CR103
2
R111
3
10K
0V RX
R113
1 5V TX
10K
NC
R110
C117
10K
33pF
10 7 5 2
C2 R2
U105 4.7V TX 0V RX
8 9
C1 R1
U104 RF PA
3 4
COUPLER
5 1
RF_OUT RF_IN
RFOUT RFIN
1 6
L105
2 4 3
33nH
C135
33pF
2 1
CR108
3
C107 C109 C102
33pF 33pF
*
L127
6.5nH
0V RX
C105 C108
C106
5.1V TX .022uF 33pF
*
L126
180nH
C149
2.4pF
R128
51K
TX 5V
Q2
*
1 5
4
C138
20pF
2 3
NC NC
R2 8
L8
10K
180nH
C15
.022uF
6
U1
7
RF_OUT
2
7
U4
IN OUT RF_IN
RF
4 .55- .7 V
3-POLE FILTER ABP
AMPLIFIER
13 5
GND GND AG2
12
GND GND
R2 7
C10
C1 6
39nH 10
10nH
1 3 8
4 5 6 8 9 10 11
C11
100pF
LCK
B+
CLK
D
5V TX 0V RX
A3 D2 C1C2 B1
B2 E3
CLK SW1
C3 D1 0V TX 5V RX
SEL SW2
A4
EN_BIAS
U102
B4 D4
EN_ANT REF_DA
NC C4
DAC
TX_DA
A2 DATA C5
R104
RX_DA
B3 0
NC
RESET
D5
R105
R_ T
C123
*
33pF
D3 E4 B5 E2
NC
6.6V TX
7.5V RX
R129
1K
R102
5.6K
Q101 1
RT101
2
3 50K C111
33pF
C101
C120 C104
C103
0.1uF .022uF 33pF
1uF
4
C110
2 3
33pF
C115
R6 0.22uF
Q110
1MEG
1
4.3 V TX 7.4 V RX
R4
*
R5
*
L9
270nH
C6 C8 C5
47pF 33pF 3300pF
C3 1 C1 9
.022uF 33pF
C9 8
5.1pF
CR107
3
C4
C7
8.2pF
20pF
1 2 1 7
U5
IN OUT
3-POLE FILTER
2 13
GND GND
3 12
C8 8
GND GND
3.6pF
C13 C7 2
10uF 33pF
4 5 6 8 9 10 11
NUF/PMUF6499D (900MHz)
88 TRANSCEIVER BOARDS' SCHEMATIC DIAGRAM (Sheet 1 of 2)
5VREG
Q108
0V TX 5V RX
5 1
4
C119
.022uF
3 2 C133
10uF
5V TX 0V RX
R103
C118
1K
33pF
Tx_RF
.37V TX 7.5V RX
E4 D4 E3 D3
E2
ICATH_2
C4 D1
5V_T X TX 12
D5
RX_1 D2
TEMP_SENSE
C5
U101 C1
DA_REF BIAS_RT
C3
ALC C2
INT_CAP_OUT ANODE_2
B5
B1
PA_CNTL ANT_SW_BS
B4
B2
PA_OUT CATH_1
A4 A3 B3 A2
R3
AGC
100
LO
5V
T1
XFMR 3
.43V
4 3
U2
7 11
RFN IFN
2
8 12
RFP MIXER IFP
2
BBP
BUFFER
5 1 .43V 14
4
LOIN BDIV
3.93 V
1 5 6 9 10 13
R7
100
C8 9 C8 3 C8 4
C8 5
.022uF 33pF
10uF .022uF
LCK
B+
CLK
D
Tx_RF
R101
3.3K
C122
33pF
R120
2K
C140
.022uF
AGC
LO
C9 2
.022uF
5V
IF
3 4
T2
2
15V07
5V
1 5
C8 2 C9 0
C9 1
33pF
.022uF 10uF
63B81097C08-O
Sheet 1 of 2