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November 1999
Part No. 001-7780-500
PWR ADJUST
0.047
C119
33P
C60
PWR
TMUT
T5V
BATT
MOD
LTR
TA
33P
C102
33P
C101
33P
C100
33P
C93
C
HC1
+5V
PWR
PLLSK
ULOCK
PLLST
LTR
BATT
PLLSO
MOD
T5V
TMUT
33P
C107
33P
C106
33P
C105
33P
C104
33P
C112
SQLC
AXK6S30645P
J1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16 15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C
HC10
RF5C
VCC
PLLSK
PLLSO
PLLST
W/N
RSSI
NOISE
DET
R5V
33P
C103
15P
C11
2.2U
L1
MB15A02PFV
IC1
6
1
R
5
1
P
4
1
T
U
O
F
3
1
C
N
2
1
C
F
1
1
E
L
0
1
A
T
A
D
9
K
C
O
L
C
8
N
I
F
7
D
L
6
D
N
G
5
O
D
4
C
C
V
3
P
V
2
T
U
O
C
S
O
1
N
I
C
S
O
0.001
C10
0.047
C12
33P
C13
10K
R10
C
HC18
C
HC16
33P
C108
33P
C109
PLL BOARD
470
R14
33P
C9
0.047
C14
10 10V
C1
33P
C2
33P
C8
33P
C7
15P
C136
2.2u
L30
47K
R67
50K
R73
100K
R69
100K
R75
22K
R76
CR-626
X3
4
VCC
3
OUT
2
GND
1
VCON
2SA1576
Q13
33P
C94
0.1
C95
33P
C131
33P
C133
5P
C132
0.01
C128
2SC4215
Q18
TC75S54F
IC4
5
4
2
3
1
33P
C97
0.047
C91
0.1
C89
33P
C90
MA2S111
D9
100K
R74
100K
R72
100K
R68
33P
C120
33P
C96
0.33
L28
3.3K
R80
DTC144EE
Q17
2SA1577
Q16
0.1
C124
33P
C121
33P
C125
220K
R35
10K
R34
0.1
C45
100K
R32
100
R37
220
R36
33P
C48
2SC4081
Q5
33P
C137
47K
R39
100K
R82
33P
C50
2SB1132 Q
Q6
33P
C46
NJM2904V
IC2B
7
6
5
33P
C47
27K
R33
1.8K
R30
100K
R27
56K
R28
1
C122
47K
R24
C
HC14
0.047
C40
33K
R29
470P
C44
33P
C49
NJM2904V
IC2A
8
4
1
2
3
33P
C42
3.3K
R31
470P
C41
100K
R26
33P
C43
1K
R21
470P
C34
5P
C33
33P
C37
1K
R22
10K
R23
HSM88AS
D4
4P
C35
33P
C38
10K
R25
15P
C36
HSM88AS
D5
(CHASSIS UNIT)
2.7K
R45
22
R83
22
R44
BLM21P300S
L25
82
R20
33P
C63
4.7
C57
4.7
C53
C
HC12
C
HC9
10
R46
33P
C67
T5V
BLM21P300S
L24
BLM21P300S
L26
33P
C52
MA2S111
D6
1u
L16
33P
C31
33P
C65
33P
C59
33P
C58
33P
C111
TMUT
BATT
33P
C32
UMD3
Q7
1
2
34
5
6
33P
C68
33P
C64
3P
C134
33P
C77
2.7K
R79
4.7K
R50
56
R52
0.047
C74
15
R47
0.047
C114
33P
C76
470P
C71
1.2K
R49
4.7K
R48
33P
C70
33P
C73 33P
C69
6.8K
R64
33P
C81
3.9K
R55
C
HC15
1.8K
R65
470K
R87
1.2K
R86
33P
C84
33P
C82
15n
L22
0.01
C130
0.01
C129
0.33
L27
33P
C79
56
R66
2SC4228
Q12
NVCO-SM-838
IC3
8
7
6
54
3
2
1
820
R63
15
R59
1.5P
C83
33P
C85
270
R62
18
R61
270
R60
15
R58
6.8K
R15
1.2K
R8
C
HC1
C
HC2
0.1
C17
TC7S66FU
IC2
45
321
DTC144EE
Q3
270
R16
2.7K
R9
100
R7
1.5
C5
0.1
C4
33P
C98
ERJ3GE-JPW
HW2
ERJ3GE-JPW
W3
C
HC13
1u
L23
1.8K
R13
4.7K
R12
R
HR2
100
R3
2SC4081
Q2
2SA1576
Q1
150
R6
1.5K
R5
2.2K
R2
3.3K
R4
5.6K
R1
12P
C16
18P
C15
R
HR1
10K
R101
0.1
C139
W/N
VCC
R5V
NOISE
RSSI
R5V
NAR
C
HC5
WIDE
DTC144EE
Q21
DTA144EE
Q19
DTA144EE
Q20
MA2S111
D10
XTAL
C
HC7
C
HC6
15K
R93
0.1
C28
C
HC2
C
HC3
CPV
VCOV
R5V
RF5V
NAR
10K
R77
XP4601
Q14
1
2
34
5
6
33P
C88
2.7K
R103
MA2S077
D15
MA2S077
D16
MA2S077
D14
MA2S077
D13
CFUM450F
FI5
43
21
10
R92
SFPC450E
FI4
21
3
SFPC450G
FI6
21
3
10K
R94
15K
R96
12n
L20
0.01
C135
22K
R95
0.1
C27
560
R54
12K
R91
56
R85
2.2K
R56
33P
C127
33P
C80
5P
C78
2SC4228
Q11
15
R57
6.8K
R102
7P
C117
3.9n
L29
2.2K
R78
4.7K
R51
1K
R12
2SC3357
Q9
2P
C75
1K
R97
10n
L12
12n
L19
3.5P
C23
0.1
C29
39K
R53
3.5P
C24
33P
C22
2SC4228
Q10
MA78
D7
33P
C72
33P
C25
C-TRIMM
HC20
UM9401F
D11
33n
L11
ERJ3GE-JPW
W6
39n
L14
10P
C55
33P
C54
5P
C62
2.5P
C66
6.8n
L17
270
R9
8.2n
L15
470
R43
470
R41
10
R42
18
R10
270
R11
IN
IC1
CP1
OUT
CP5
VCC2
CP3
VCC3
CP4
VCC1
CP2
2SC3357
Q8
ANT JACK
J1
2
1
0.5P
C140
W1
UM9401F
D3
0.3P
C1
DCS3220-09
L34
MA77
D2
c
HC17
4P
C2
8.8n
L1
8.8n
L2
GLP-802-2
FI7
2
1
G
1
1
G
0
1
C
N
9
C
N
8
G
7
G
6
T
U
O
5
G
4
G
3
G
2
G
1
N
I
33P
C30
MA77
D1
DCS3220-09
L13
560
R104
4.7K
R2
10n
L32
15P
C138
33P
C4
0.047
C8
1.8K
R3
EZFU860AM81T
FI1
33P
C5
33K
R5
180
R7
18n
L6
3P
C7
56
R6
2SC5015
Q1
8.2n
L33
ERJ3GE-JPW
W5
39n
L8
68n
L7
0.18u
L10
18P
C15
33P
C13
1P
C11
33P
C9
56K
R4
560
R1
EZFU860BM81T
FI2
3SK177 U72
Q2
R
HR1
10n
L5
33P
C12
33P
C10
0.01
C1412P
C26
0.01
C18
470
R99
ERJ3GE-JPW
W4
0.5P
C126
390
R98
33P
C16
0.01
C17
4P
C19
FL-295
FI3
0.47U
L9
0.01
C20
ERJ3GE-JPW
HW1
WIDE
0.001
C19
DTC144EE
Q3
33P
C26
C
HC8
IF BOARD
33P
C35
0.001
C24
0.01
C30
330
R22
0.001
C25
FIIN
FIOUT
IF5V
XTAL
NOISE
RSSI
IF5V
R5V
C
HC2
10
C7
4.7
C1
MA8056
D2
2SC4081
Q1
4.7K
R2
0.001
C2
0.001
C5
10
C6
SQLC
DET
RF5C
10
C4
0.047
C3
0.1
C31
0.1
C8
TK11360BM
IC2
3
N.BYPASS
6
VIN
5
GND
4
VOUT
2
GND
1
CONT
TK11350BM
IC1
3
N.BYPASS
6
VIN
5
GND
4
VOUT
2
GND
1
CONT
100K
R25
6.8K
R28
2.2K
R27
100
R16
6.8K
R12
C
HC1
0.001
C34
330K
R17
47K
R15
2.2K
R26
1.2K
R24
220P
C21
220P
C20
470K
R19
1K
R18
100K
R14
47K
R13
UMG2
Q4
45
123
0.047
C33
NOISE
RSSI
0.1
C18
0.1
C29
1.5K
R23
R
HR1
TA31136FN
IC3
16
MIXIN
15
GND
14
N-REC
13
N-DET
12
RSSI
11
IFOUT
10
QUAD
9
AFOUT
8
FILIN
7
FILOUT
6
DEC
5
IFIN
4
VCC
3
MIXOUT
2
OSCOUT
1
OSCIN
0.56U
L2
0.001
C23
330
R9
CDBCA450CX24
X1
0.001
C16
820P
C32
2.7K
R8
2.2K
R7
68P
C17
10K
R20
4.7
C15
56
R4
0.01
C13
0.01
C14
18P
C10
0.01
C11
0.01
C12
180
R5
MA2S728
D3
2SK882 GR
Q2
100K
R21
0.01
C9
IF AMP
LIMITER/SECOND MIXER/DETECTOR
SQUELCH
Squelch
Adjust
CPV REGULATOR
RF5V REGULATOR
VCOV
CRYSTAL
FILTER
FIRST
MIXER
BANDPASS
FILTER
RF AMP
BANDPASS
FILTER
RECEIVER
HARMONIC FILTER
DIRECTIONAL
COUPLER
Forward
Reverse
RF POWER MODULE
DRIVER
PREDRIVER
TRANSMITTER
ANTENNA
SWITCH
POWER CONTROL
Rx Freq Minus 45.225 MHz
TX/RX SWITCH
BUFFER
BUFFER
450 kHz CERAMIC BANDPASS FILTERS
VCO
CTRL
OUT
MOD
SYNTHESIZER
ACTIVE FILTER
VCO CONTROL
SYNTHESIZER
TA SWITCH
CHARGE PUMP
LOOP FILTER
TO
LOGIC
UNIT
14.925 MHzTCXO
TRIPLER
44.775 MHz SECOND INJECTION
LOCK
DETECT
BUFFER
FREQ ADJ
MODULATION AMPLIFIER
TX SWITCH
I
I
O
O
RF BOARD SCHEMATIC
8-5