Icom IC-R20

11 - 6
2NDCVCO BOARD
Q4
2SC4617
Q1
FH102
Q3
2SC5277
IC1
MB15E03SL
C3
15p
R4
1k
1
2
3
4
5
6
C7
4p
L2
33nH
L3
22nH
C8
1p
C9
5p
C10
5p
R10
100
C1
0.33
C30
0.001
C4
10p
D1
1SV314
C2
18p
C5
12p
L4
0.22µH
C6
0.001
R3
1k
R2
10k
R1
47
L1
18nH
C33
2p
C
_
VCO
_
OUT
C
_
VCO
_
OUT
1CVCO
C31
0.001
C32
10
R21
1k
GND
GND
A
_
R3V
A
_
R3V
A
_
R3V
APS
APSAPS
1
2
3
4
5
J1
J2
1
2
3
4
5
6
+3V
+3V
GND
OSC
OSC
PLLDATA
PLLCK
PLLCSTB
PLLDATAPLLDATA
PLLCKPLLCK
PLLCSTBPLLCSTB
C17
5p
R16
1k
C22
0.01
R17
180k
C23
0.01
C24
0.01
R19
1k
R18
1k
C16
470p
R9
56
C25
0.001
C26
0.1
1
OSCI
2
OSCO
3
VP
4
VCC
5
DO
6
GND
7
XFIN
8
FIN
9
CLK
10
DAT
11
LE
12
PS
13
ZC
14
L/F
15
P
16
R
R11
1k
R12
1k
C27
0.001
R14
10
R15
820
C21
4.7
C18
47p
C19
47p
C20
47p
R13
1k
R22
330
to
RF unit
HJ5
to
RF unit
HJ4
Explanatory notes
VOLTAGE LINE
2.4V
3.0V
2.3V
1.7V
0.7V
3.0V
2.3V
11-6 2NDCVCO BOARD
2NDDVCO BOARD
Q1
FH102
Q4
2SC4617
Q3
2SC5277
IC1
MB15E03SL
R2
47k
R3
330
C6
0.001
R4
1k
C1
0.33
C3
22p
C4
12p
C5
27p
D1
HVC305B
L4
0.22µH
L1
22nH
C2
56p
R1
47
1DVCO
1
2
3
4
5
6
L3
22nH
R10
100
L2
47nH
C7
10p
C9
8p
C10
8p
C8
4p
C30
0.001
C31
0.001
C32
10
R21
1k
D
_
VCO
_
OUT
D
_
VCO
_
OUT
B
_
R3V
B
_
R3V
B
_
R3V
GND
GND
BPS
BPSBPS
J1
1
2
3
4
5
+3V
+3V
PLLDATA
PLLCK
PLLDSTB
PLLDATAPLLDATA
PLLCKPLLCK
PLLDSTBPLLDSTB
GND
OSC
OSC
J2
1
2
3
4
5
6
C17
5p
R9
220
R16
1k
C22
0.01
R17
180k
R18
1k
R19
1k
C23
0.01
C24
0.01
C16
470p
OSCI
OSCO
VP
VCC
DO
GND
XFIN
FIN
CLK
DAT
LE
PS
ZC
L/F
P
R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
C25
0.001
C26
0.1
C18
47p
C19
47p
C20
47p
R11
1k
R12
1k
R13
1k
C27
0.001
R14
10
R15
820
C21
4.7
R22
330
to
RF unit
HJ9
to
RF unit
HJ8
Explanatory notes
VOLTAGE LINE
2.4V
3.0V
2.3V
1.7V
0.7V
3.0V
2.3V
11-7 2NDDVCO BOARD