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Motorola HT Series User Manual

Motorola HT Series
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9-400 Low Band Circuit Board/Schematic Diagrams and Parts List
1KHz 0.86v p-p
RECEIVE -47dBm SIGNAL AT 35.04MHz WITH 1K TONE.
RF MEASUREMENTS MADE WITH BOONTON 92 MILLIVOLTMETER.
1
7 MHz on Low Band
17 MHz 0.6v p-p
0.5 - 2.7 vdc
1.8 vdc
2.5 Vdc
3 Vdc
219.3 MHz
-29.5 dBm
- 36 dBm
1.5 Vdc
5 VdcRX
For <-50 dBm RF
= 3 Vdc
~
3 Vdc
1.5 Vdc
1.5 Vdc
1.5 Vdc
1.5 Vdc
Sawtooth Voltage
IF AMP IF FILTERSECOND LO
AGC PROCESSING
109.65MHz CRYSTAL FILTER
IF AMPLIFIER
SECOND LO
SECOND LO LOOP FILTER
LVZIF
C301
0.22uF
C335
C304
15pF
SH301
SHIELD
4700pF
R310
3.6K
13pF
C311
C323
.022uF
20
1500pF
C334
R318
C308
1uF
C324
100pF
4
OUT
10uF
C319
31B01
FL301
2
GND1
GND2
3
5
GND3
6
GND4
1
IN
1.5K
R304
R315
47K
0.5pF
C302
1uF
C341
R305
L304
390nH
10K
2K
0.1uF
C333
R317
SH302
SHIELD
47K
R303
47K
R302
C326
0.1uF
91K
R309
2.2uH
L307
C336
C317
10uF
10uF
C337
C309
.01uF
.022uF
220nH
L303
C331
.022uF
15pF
C316
390nH
L305
2
NC
1
4
VCC
5
13pF
C313
U302
TC7SU04F
GND
3
4700pF
C305
C306
8pF
0.1uF
C310
1.5K
1uF
C340
U301
R312
2.2uH
C343
L308
0.22uF
0.1uF
C307
5.6K
R307
1.5K
R301
1.3K
R306
SH303
SHIELD
SH300
SHIELD
C312
C342
13pF
1uF
C328
0.1uF
C330
.022uF
VAG
32
VAG_REF
25
VPP
9
13pF
C314
RED_VCC
1
RED_VSS
2
ROSE_VCC
30
ROSE_VSS
29
RSSI_FLT
5
RSSI_OUT
4
TESTA
16
TESTD
8
LIM
31
MIX_BYP
42
MIX_IN
46
MLPD_CR
24
PHASE_LOCK
26
PREAMP_OUT
47
PRE_AGC
48
PRE_IN
3
EXTBS
6
FREF
21
GND
20
GOLD_VCC
10
GOLD_VSS
14
GREEN_VCC
41
GREEN_VSS
43
IOUT
15
C4P
37
CEX
19
CLK
18
COL
13
DATA
17
DEMOD_HF
28
DEMOD_OUT
27
EMIT
11
BRP_OFF
23
C1M
33
C1P
40
C2M
34
C2P
39
C3M
35
C3P
38
C4M
36
U303
32D83
AFC
7
BASE
12
BLUE_VCC
45
BLUE_VSS
44
BROWN_VCC
22
.022uF
C321
1
3
2
0.22uF
C325
R316
BFQ67W
Q301
33nH
L306
200
0.22uF
C320
C327
4700pF
R308
0.1uF
C332
12K
C315
9.1pF
1uF
C339
10K
R314
CR301
470nH
L302
120nH
L301
C348
2pF
R5
4700pF
C303
CE
CLK
DATA
DEMOD
IF
RSSI
Vdd
1
6.8MHz
CHECK
ONE
O.K. AS IS
O.K. AS MARKED
( )
( )
ISS.
REVISION
RLSE.
CORRECTED
AS
MARKED
ILLUSTRATOR DATEENGINEERDATE PROGRAM DISK
RLSE
.
LETTERING SIZE:
REQUIRES:
EDITOR DATECHECKERDATE
Illustrator
RX Backend - 8485658Z01.O
JP 12/15/99
O
EH
FL0830472
FL0830472O
Figure 9-247. Low Band (29.7-42/35-50 MHz) Receiver Back End Schematic Diagram

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Motorola HT Series Specifications

General IconGeneral
BrandMotorola
ModelHT Series
CategoryTwo-Way Radio
LanguageEnglish

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