5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
VCO_out
VCO_out
CV
T1/T2
T9V
mod1
T9V
Fback
T5V
Model Name:
Prepare:
File No.:
Rev:
Date:
Page:
of
Part Name:
HYT Science&technology Co.Ltd.
Check:
Approve:
1.0
12
Tuesday, June 14, 2011
Exciter VCO and Pre_Drive
HYT-RD-SCD-CD-
TR-988 Exciter Board
Model Name:
Prepare:
File No.:
Rev:
Date:
Page:
of
Part Name:
HYT Science&technology Co.Ltd.
Check:
Approve:
1.0
12
Tuesday, June 14, 2011
Exciter VCO and Pre_Drive
HYT-RD-SCD-CD-
TR-988 Exciter Board
Model Name:
Prepare:
File No.:
Rev:
Date:
Page:
of
Part Name:
HYT Science&technology Co.Ltd.
Check:
Approve:
1.0
12
Tuesday, June 14, 2011
Exciter VCO and Pre_Drive
HYT-RD-SCD-CD-
TR-988 Exciter Board
PA Pre_Drive
VCO
VCO Power
VCO Buffer
Pout
Exciter output
RD980 V
▔ࢅ⧚˄
VCO
ǃ
buffer
ঞ
pre_driver
⬉䏃˅
C163
6p
C163
6p
L113 47nL113 47n
D104D104
2 1
D109D109
2 1
R117
3.3k
R117
3.3k
R115
68k
R115
68k
C152
7p
C152
7p
D102D102
12
C155
NC
C155
NC
R116
100k
R116
100k
C119
NC
C119
NC
R105
8.2k
R105
8.2k
R135
120
R135
120
R129
220
R129
220
L105
680n
L105
680n
C174
0.1u
C174
0.1u
L107
BLM18AG601SN1
L107
BLM18AG601SN1
12
C169
2p
C169
2p
R145
22
R145
22
C102
470P
C102
470P
C154
1p
C154
1p
L114
0
L114
0
C127
1000p
C127
1000p
C141
22p
C141
22p
R148
15nH
R148
15nH
D105D105
2 1
L102
601SN1
L102
601SN1
1 2
R127
47
R127
47
C114
6p
C114
6p
R120
15k
R120
15k
L127601SN1 L127601SN1
1 2
R149
15nH
R149
15nH
C134
NC
C134
NC
L103601SN1 L103601SN1
1 2
R141
0
R141
0
C143
NC
C143
NC
Q102Q102
2
3 1
C117
1500p
C117
1500p
L109
680n
L109
680n
Q108Q108
2
3
4
1
C136
NC
C136
NC
R110
150
R110
150
C112
12p
C112
12p
L117
680n
L117
680n
Q104Q104
2
31
C115
1p
C115
1p
R121
0
R121
0
C120
47p
C120
47p
C168
5p
C168
5p
C109
0.1u
C109
0.1u
D108D108
21
C157
150p
C157
150p
C133
4p
C133
4p
TP101
Pout
TP101
Pout
1
C173 4.7C173 4.7
C148
1500p
C148
1500p
R132
82
R132
82
C161
470p
C161
470p
R109
NC
R109
NC
C167
2p
C167
2p
R146
0
R146
0
C132 4.7uC132 4.7u
C131
3p
C131
3p
L119
56n
L119
56n
R102
100K
R102
100K
J101
Fout
J101
Fout
1
2
3
4
5
R138
33k
R138
33k
C123
470p
C123
470p
C125
6p
C125
6p
R124
0
R124
0
C139
0.1u
C139
0.1u
C160
47p
C160
47p
R144
6.8k
R144
6.8k
R112
120
R112
120
C170
NC
C170
NC
C135
5p
C135
5p
R126
8.2k
R126
8.2k
C144
NC
C144
NC
C140 9pFC140 9pF
L115
680n
L115
680n
C113
56p
C113
56p
C162
0.1u
C162
0.1u
R108
0
R108
0
C150
18p
C150
18p
L122
BLM18AG601SN1
L122
BLM18AG601SN1
12
R136
150
R136
150
C124
0.1u
C124
0.1u
C105
1500p
C105
1500p
R119
39k
R119
39k
R103
100K
R103
100K
R140
82
R140
82
C121
470p
C121
470p
C110
1500p
C110
1500p
R134
0
R134
0
C145
NC
C145
NC
L123
220n
L123
220n
R106
100
R106
100
L108
120n
L108
120n
L110
BLM18AG601SN1
L110
BLM18AG601SN1
12
+
C107
4.7u/10V
+
C107
4.7u/10V
C147
0.1u
C147
0.1u
C156
56p
C156
56p
L125
47n
L125
47n
R142
82
R142
82
L111
220n
L111
220n
C165
6p
C165
6p
L104
680n
L104
680n
C101
6p
C101
6p
R147
NC
R147
NC
C128
18p
C128
18p
C151
4p
C151
4p
D103D103
21
R125
3.3k
R125
3.3k
L126
NC
L126
NC
D110D110
2 1
L120
120n
L120
120n
Q106Q106
1
32
C108
1500p
C108
1500p
R137
3.3k
R137
3.3k
R101
3.3k
R101
3.3k
C171
470p
C171
470p
Q107Q107
2
31
C104
470P
C104
470P
R143
82
R143
82
R114
3.3k
R114
3.3k
D112D112
2 1
C122
0.1u
C122
0.1u
C146
1500p
C146
1500p
C149
NC
C149
NC
Q103Q103
1
2
34
5
C166
12p
C166
12p
C111
24p
C111
24p
L106
56n
L106
56n
R139
15k
R139
15k
R113
NC
R113
NC
C172
0.1u
C172
0.1u
L101
680nH
L101
680nH
C130
18p
C130
18p
C126
0.1u
C126
0.1u
C164
5p
C164
5p
C153
4.7p
C153
4.7p
C118
5p
C118
5p
D101D101
21
D107D107
21
R118
15k
R118
15k
L112
220n
L112
220n
R133
100
R133
100
C137
NC
C137
NC
R130
6.8k
R130
6.8k
L116
NC
L116
NC
L121
680n
L121
680n
R123
27
R123
27
C106
0.1u
C106
0.1u
C103
470P
C103
470P
C116
150p
C116
150p
L118
680nH
L118
680nH
Q105Q105
1
32
R104
4.7K
R104
4.7K
C138
1500p
C138
1500p
L124
47n
L124
47n
C159
3p
C159
3p
R107
150
R107
150
Q101Q101
2
31
R131
8.2k
R131
8.2k
R122
NC
R122
NC
R128
220
R128
220
C129
22p
C129
22p
C158
1500p
C158
1500p
RD98X Schematic Diagram (Exciter_VCO/Buffer/ Pre_Driver Circuit)
281
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