Hytera RD98 Series - Page 224

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:
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HYT Science&technology Co.Ltd.
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Friday, December 17, 2010
Exciter VCO and Pre_Drive
HYT-RD-SCD-CD-
TR-988 Exciter Board
Model Name:
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Rev:
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of
Part Name:
HYT Science&technology Co.Ltd.
Check:
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12
Friday, December 17, 2010
Exciter VCO and Pre_Drive
HYT-RD-SCD-CD-
TR-988 Exciter Board
Model Name:
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File No.:
Rev:
Date: Page:
of
Part Name:
HYT Science&technology Co.Ltd.
Check:
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12
Friday, December 17, 2010
Exciter VCO and Pre_Drive
HYT-RD-SCD-CD-
TR-988 Exciter Board
PA Pre_Drive
VCO
VCO Power
VCO Buffer
Pout=16 dBm
Exciter output
RD980 U(3)
▔ࢅ⧚೒˄
VCO
ǃ
buffer
ঞ
Pre_Driver
⬉䏃˅
C163
3p
C163
3p
L113 18nL113 18n
D104D104
2 1
D109D109
2 1
R117 3.3k R117 3.3k
R115
47k
R115
47k
C152 5p C152 5p
C137 NC C137 NC
D102D102
12
R116
100k
R116
100k
R105 8.2k R105 8.2k
R135 120 R135 120
R129 220 R129 220
L105 470n L105 470n
L107
BLM18AG601SN1
L107
BLM18AG601SN1
12
C169
2p
C169
2p
R145 0 R145 0
C102
470P
C102
470P
C154 0.5p C154 0.5p
L114
0
L114
0
C127
1000p
C127
1000p
C141 39p C141 39p
D105D105
2 1
L102
601SN1
L102
601SN1
1 2
R127 27 R127 27
C114
3.6p
C114
3.6p
D106
NC
D106
NC
2 1
R120 15k R120 15k
C134
NC
C134
NC
L103601SN1 L103601SN1
1 2
R141
0
R141
0
C143 NC C143 NC
Q102Q102
2
3 1
C117
220p
C117
220p
L109 470n L109 470n
Q108Q108
2
3
4
1
R110 150 R110 150
C136 NC C136 NC
C112 8p C112 8p
L117 470n L117 470n
Q104Q104
2
31
R121
0
R121
0
C115 0.5p C115 0.5p
C120
27p
C120
27p
C168
4.7p
C168
4.7p
C109
0.1u
C109
0.1u
C142 NC C142 NC
D108D108
21
C133
4p
C133
4p
C157
56p
C157
56p
TP101
Pout
TP101
Pout
1
C148
470p
C148
470p
R132 39 R132 39
C161
470p
C161
470p
R109 NC R109 NC
C167
3p
C167
3p
C132 4.7uC132 4.7u
R146 0 R146 0
C131
3.6p
C131
3.6p
L119 12.5n L119 12.5n
R102 100K R102 100K
J101 Fout J101 Fout
1 2 3 4 5
R138
30k
R138
30k
C123
470p
C123
470p
R111 22n R111 22n
C125
4p
C125
4p
R124
0
R124
0
C139
0.1u
C139
0.1u
C160 22p C160 22p
R144 2.7k R144 2.7k
R112 120 R112 120
C170
NC
C170
NC
C135
NC
C135
NC
R126 8.2k R126 8.2k
R134
22n
R134
22n
C144
NC
C144
NC
L115 470n L115 470n
C113 39p C113 39p
C162
0.1u
C162
0.1u
R108
0
R108
0
C150
5p
C150
5p
L122
BLM18AG601SN1
L122
BLM18AG601SN1
12
R136 100 R136 100
C124
0.1u
C124
0.1u
C105
470p
C105
470p
R119
39k
R119
39k
R103 100K R103 100K
R140
82
R140
82
C121
470p
C121
470p
C110
470p
C110
470p
C145 NC C145 NC
L123 56n L123 56n
R106 100 R106 100
L108
33n
L108
33n
L110
BLM18AG601SN1
L110
BLM18AG601SN1
12
+
C107 4.7u/10V
+
C107 4.7u/10V
C147
0.1u
C147
0.1u
C156 33p C156 33p
L125
18n
L125
18n
R142
82
R142
82
L111 100n L111 100n
C165 12p C165 12p
L104 470n L104 470n
C101
5p
C101
5p
C128
12p
C128
12p
C151 3.6p C151 3.6p
D103D103
21
R125 3.3k R125 3.3k
L126 12n L126 12n
D110D110
2 1
C140 NC C140 NC
Q106Q106
1
32
L120 39n L120 39n
R137 3.3k R137 3.3k
C108 220p C108 220p
R101 3.3k R101 3.3k
C171 470p C171 470p
Q107Q107
2
31
D111
NC
D111
NC
2 1
C104
470P
C104
470P
R143
82
R143
82
R114 3.3k R114 3.3k
D112
1sv279
D112
1sv279
2 1
C122
0.1u
C122
0.1u
C146 220p C146 220p
C149
NC
C149
NC
Q103Q103
1 2 34
5
C166 15p C166 15p
C111 7p C111 7p
L106 12.5n L106 12.5n
R139 15k R139 15k
C172
0.1u
C172
0.1u
L101
470nH
L101
470nH
C130 24p C130 24p
C126 0.1u C126 0.1u
C164
3p
C164
3p
C153
3.6p
C153
3.6p
C118
3.6p
C118
3.6p
D101D101
21
D107D107
21
R118 15k R118 15k
L112 100n L112 100n
R133
100
R133
100
R130 6.8k R130 6.8k
L116 NC L116 NC
L121 470n L121 470n
R123
27
R123
27
C106
0.1u
C106
0.1u
C103 470P C103 470P
C116
56p
C116
56p
L118
470nH
L118
470nH
Q105Q105
1
32
R104
4.7K
R104
4.7K
C138
470p
C138
470p
L124
18n
L124
18n
C159
2.4p
C159
2.4p
R107
150
R107
150
Q101Q101
2
31
R131 8.2k R131 8.2k
R122 NC R122 NC
R128 220 R128 220
C129 12p C129 12p
C158 220p C158 220p
RD98X Schematic Diagram (Exciter_VCO/Buffer/Pre_Driver Circuit)
221