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Motorola HT Series User Manual

Motorola HT Series
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9-458 900 MHz Circuit Board/Schematic Diagrams and Parts List (PCB 8485910Z01)
24
XTAL2
47
VCP
15
VMULT1
14
VMULT2
VMULT3
12
11
VMULT4
13
VRO
WARP
25
23
XTAL1
PVREF
18
REFSEL
27
SFBASE
26
SFCAP
30
SFIN
28
SFOUT
37
TEST1
38
TEST2
21
VBPASS
29
NC2
31
NC3
44
PD_GND
5
PD_VDD
32
PREIN
33
PRE_GND
34
PRE_VDD
35
DVDD
19
FREFOUT
45
IADAPT
16
INDMULT
43
IOUT
4
LOCK
10
MODIN
41
MODOUT
17
NC1
40
BIAS1
39
BIAS2
CCOMP
42
9
CEX
8
CLK
7
DATA
6
DGND
36
46
ADAPTSW
22
AGND
48
AUX1
1
AUX2
2
AUX3
3
AUX4
20
AVDD
2
4
1
3
10K
47K
47K
4.7K
2
GND
3
OUT
VCC
4
1
VCON
1
3
2
4
10K
47K
47K
4.7K
2
GND
4
NC
ON_OFF*
3
1
VIN
5
VOUT
1
GND
5
IN
2
NR
4
OUT
3
SD
6
ERR
A1
6
A2
5
A3
4
1
K1
2
K2
3
K3
K2
2
K3
3
A1
6
A2
5
A3
4
K1
1
U203
U201
Q201
C240
47pF
47pF
C222
56pF
C201
47pF
C221
C232
47pF
R203
33
150
R219
R220
150
100
47pF
R200
C210
.01uF
C245
2.2uH
L200
R213
.047uF
C225
100
16.8MHz
Y200
47pF
C220
47pF
C216
CR201
C212
0.1uF
.01uF
C239
2.2uF
L203
C211
6.8nH
C242
47pF
2.2uH
L202
2.2uF
C200
0.1uF
C208
0.1uF
C206
U202
47pF
C230
R223
0
R202
3.9K
C218
0.1uF
1.5K
R209
56pF
C227
R210
680
SH201
C228
1.2pF
2.2uF
C207
.01uF
C244
0.1uF
C215
0.1uF
C233
33K
R218
.01uF
C247
R214
47K
22pF
C243
Q202
30K
R208
2.2uF
C214
C209
10uF
12uH
L204
2.2uF
C229
47pF
C223
C203
10uF
C241
56pF
.068uF
C226
C234
10uF
C238
0.1uF
C219
47pF
R206
SH202
30K
0.47uF
C801
C246
.01uF
0.1uF
C213
C217
2.2uF
0.1uF
C204
CR202
R204
120
C205
0.1uF
C224
47pF
C249
C202
47pF
2.2uF
470pF
C231
All values above are typical
Measured with HP85024A
High Frequency Probe
-21dBm TX VCO
-46dBm Second Harmonic
TX VCO
2.2 to 2.7V at
room temp
-25dBm RX VCO
12.8V (Typical)
For crystal
Steering Line DC Voltage
2 to 9V in RX mode
3 to 11V in TX mode
-43dBm Second Harmonic
RX VCO
SYNTHESIZER BOTTOM SHIELD SYNTHESIZER TOP SHIELD
SWB+
CLK
AUX3_5V
4V_3.3V
PRESC
LOCK
4.6V
VCTRL
3.3V
Vdda
TP202
Vdda
DATA
MODIN
VSF
CSX
TP201
(SOURCE)
5V
16.8MHz
AUX4
5V
R5
250-299
800-849
500-599
Switches (Shared w/ Switches Sect.)
850-899
Synthesizer
VCO
Synthesizer
Flutter Fighter
FGU Schematic References
200-249
ISS.
REVISION
RLSE.
MARKED
RLSE
.
FL0830704O
O
LR
Drawings originated overseas.
Figure 9-281. 900 MHz Synthesizer Schematic Diagram

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Motorola HT Series Specifications

General IconGeneral
BrandMotorola
ModelHT Series
CategoryTwo-Way Radio
LanguageEnglish

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