Motorola HT Series User Manual

9-476 900 MHz Circuit Board/Schematic Diagrams and Parts List (PCB 8471203M01)
0.1uF
G
1G
150
45J68
.01uF
.01uF
.01uF
.01uF
100
100
R200
.01uF
C245
A1
6
A2
5
A3
4
1
K1
2
K2
3
K3
CR201
C247
.01uF
A1
6
A2
5
A3
4
K1
1
K2
2
K3
3
CR202
.01uF
C246
.01uF
C244
C212
0.1uF
C221
47pF
150
R219
150
R220
150
CLK
CSX
CLK_1_FN
MODIN
DATA_1_FN
C243
22pF
22pF
C208
0.1uF
DATA_2_FN
0.1uF
MODIN_1_FN
C222
CSX_1_FN
47pF
DATA
CLK_2_FN
47pF
C223
C219
47pF
602R
K03
33K
R218
33K
Measured with HP85024A
High Frequency Probe
-20dBm RX VCO
-35dBm Second Harmonic RX VCO
-33.5dBm Second Harmonic TX VCO
-18.5dBm TX VCO
All values above are ’typical’
4.6V
SYNTHESIZER BOTTOM SHIELD SYNTHESIZER TOP SHIELD
VSF_1_FN
C227
PRESC_1_FN
56pF
L203
6.8nH
2
1
C228
1.2pF
47pF
C232
PRESC
C234
10uF
SHIELD
SH201
1
VSF
C229
2.2uF
K03
802R
1
NU
C235
56pF
2
Vdda
1MEG
NU
R212
1
D
N
4
DN
3
OUT
6
IN
NU
75Z04
Y201
TUO
VCC
4
1
NOCV
Y200
16.8MHz
2
GND
3
312R
001
C237
330pF
2
1
NU
9
32C
Fu1
0
.
R211
NU
47K
LOCK_1_FN
1.6pF
2
1
NU
C236
C238
0.1uF
R214 47K
1
SH202
SHIELD
56pF
C241
LOCK
CR203
NU
2 to 9V in RX mode
3.3V
3 to 11V in TX mode
Steering Line DC Voltage
0.1uF
NU
C804
.047uF
C225
AUX3_5V
Vdda_2_FN
R210
680
Vdda
AUX3_5V_1_FN
C805
NU
2
4
1
4.7K
47K
10K
47K
3
0.1uF
Q202
C218
0.1uF
1
12uH
L204
2
132C
2
1
Fp07
4
C801
0.47uF
0.1uF
C803
NU
R204
120
0.1uF
NU
C802
R5
R203
33
1.5K
R209
16.8MHz
R5_2_FN
R202
3.9K
.068uF
C226
AUX4
16_8MHz_2_FN
2
1
Q201
2.2 to 2.7V at room temp
For crystal
47pF
C230
47pF
C242
3
3
DNG_ERP
44
DNG_DP
CLK
6
DNG
D
U201
63A27
22
DNGA
1
TP201
TEST_POINT
VMULT3
VMULT4
WARP
XTAL1
XTAL2
SFOUT
TEST1
TEST2
VMULT1
VMULT2
IOUT
LOCK
MODOUT
FREFOUT
IADAPT
INDMULT
AUX1
AUX2
AUX3
AUX4
ADAPTSW
SFIN
VBPASS
PREIN
PVREF
REFSEL
SFBASE
SFCAP
MODIN
NC1
NC2
NC3
CEX
DATA
BIAS1
BIAS2
CCOMP
AUX4_1_FN
12
11
25
23
24
30
28
37
38
21
15
14
32
35
18
27
26
43
4
10
41
17
29
31
9
8
7
19
45
16
48
1
2
3
40
39
42
46
16_8MHz_1_FN
C216
47pF
5V
2.2uH
L202
C214
2.2uF
R223
0
31
ORV
74
PCV
5
D
DV_
DP
43
DDV_
E
RP
63
DDVD
02
DDVA
C224
47pF
C249
47pF
0.1uF
C215
2.2uF
C217
43
10K
47K
47K
4.7K
0.1uF
C213
C205
0.1uF
C201
56pF
SWB+
C210
47pF
C240
47pF
C211
2.2uF
IN
NR
OUT
SD
ADP3300
U202
ERR
1
GND
5
4V_3.3V_1_FN
Vdda_1_FN
SWB_PLUS_1_FN
2.2uF
C202
4V_3.3V
SWB_PLUS_2_FN
VIN
5
TU
OV
LP2980
U203
2
GND
4
*
F
F
O
_NOCN
3
1
(SOURCE)
12.8V (Typical)
C200
2.2uF
0.1uF
C206
5V_2_FN
2.2uF
C207
5V_1_FN
C233
0.1uF
C209
10uF
2
4
36
10uF
C203
R222
NU
0
5V
0.1uF
C204
47pF
C220
2.2uH
L200
500-599
Switches (Shared w/ Switches Sect.)
250-299
800-849
850-899
Synthesizer
VCO
Synthesizer
Flutter Fighter
FGU Schematic References
200-249
VCTRL_1_FN
VCTRL
TP202
1
Figure 9-281. 900 MHz Synthesizer Schematic Diagram

Motorola HT Series Specifications

General

Brand	Motorola
Model	HT Series
Category	Two-Way Radio
Language	English