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Motorola HT Series User Manual

Motorola HT Series
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Low Band Circuit Board/Schematic Diagrams and Parts List 9-401
NP
1st Lo frequency
4.56 Vdc
1.57 Vdc
3.64 Vdc
3.28 Vdc
17 MHz
2.7 V p-p
13 Vdc
1.3 - 3.5 Vdc
Low band - 17MHz 0.6V p-p
3.23 Vdc RX / 0 Vdc TX
0.15 Vdc RX / 3.25 Vdc TX
1.5 - 11 Vdc
0 = UNLOCK
RECEIVE -47dBm SIGNAL AT 35.04MHz WITH 1K TONE.
D210
A1
A2
A3
K1
K2
K3
A2
A3
K1
K2
K3
D211
A1
TP201
C247
4.7uF
R223
100K
2K
R229
C257
.047uF
R239
1K
TP200
C206
100uH
L225
L226
4.7uH
2.2uF
C258
C236
100pF
CR211
C286
C284
.01uF
.01uF
.01uF
47pF
C285
510
C242
R225
R222
75K
C259
0.47uF
SH200
SHIELD
100
R230
2.7pF
C237
R228
51
R227
100
SHIELD
SH201
C260
.01uF
C287
1K
.01uF
R288
47K
R289
3.9
Q288
R287
C263
12
VMULT4
11
13
VRO
WARP
25
XTAL1
23
XTAL2
24
4.7uF
30
SFOUT
28
TEST1
37
TEST2
38
VBPASS
21
VCP
47
VMULT1
15
VMULT2
14
VMULT3
PD_VDD
PREIN
32
PRE_GND
33
34
PRE_VDD
PVREF
35
REFSEL
18
SFBASE
27
SFCAP
26
SFIN
43
4
LOCK
MODIN
10
41
MODOUT
NC1
17
NC2
29
NC3
31
PD_GND
44
5
9
CLK
8
DATA
7
6
DGND
DVDD
36
FREFOUT
19
IADAPT
45
INDMULT
16
IOUT
48
AUX2
1
AUX3
2
AUX4
3
AVDD
20
BIAS1
40
BIAS2
39
CCOMP
42
CEX
U205
63A27
ADAPTSW
46
AGND
22
AUX1
Y201
75Z03
GND
1
GND1
4
OUT
3
IN
6
.01uF
C233
2.2uF
C281
C280
2.2uF
4
NCON_OFF*
3
VIN
1
VOUT
5
LP2980
U200
GND
2
R286
0
C283
R285
100
4.7uF
.01uF
47K
C299
R219
C249
.01uF
R224
200
0.47uF
C234
0.47uF
C232
C255
.047uF
C261
0.47uF
.047uF
C298
.01uF
C256
U204
ADP3300
6
ERR
1
GND
5
IN
2
NR
4
OUT
3
SD
AUX2
VCTRL
VSF
P
RE_IN
5V
4V_3.3V
Vdda
SWB+
16.8MHZ
MODIN
LOCK
DATA
CLK
CSX
AUX3
FL0830468O
Figure 9-248. Low Band (29.7-42/35-50 MHz) Frequency Generation Unit Synthesizer

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Motorola HT Series Specifications

General IconGeneral
BrandMotorola
ModelHT Series
CategoryTwo-Way Radio
LanguageEnglish

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