Hytera RD982 - Page 105

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
Thursday, December 16, 2010
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
Thursday, December 16, 2010
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
Thursday, December 16, 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 U1
▔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 7p C152 7p
C137 NC C137 NC
D102D102
12
R116
100k
R116
100k
R105 8.2k R105 8.2k
R135 150 R135 150
R129 220 R129 220
L105 470n L105 470n
L107
BLM18AG601SN1
L107
BLM18AG601SN1
12
C169
2p
C169
2p
R145R145
C102
470P
C102
470P
C154 0.5p C154 0.5p
L114
0
L114
0
C127
1000p
C127
1000p
C141 22p C141 22p
D105D105
2 1
L102
601SN1
L102
601SN1
1 2
R127 22 R127 22
C114
4p
C114
4p
D106D106
2 1
R120R120
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
24p
C120
24p
C168
4p
C168
4p
C109
0.1u
C109
0.1u
C142C142
D108D108
21
C133
4p
C133
4p
C157
47p
C157
47p
TP101
Pout
TP101
Pout
1
C148
470p
C148
470p
R132 33 R132 33
C161
470p
C161
470p
R109 NC R109 NC
C167
2.4p
C167
2.4p
C132 4.7uC132 4.7u
R146 0 R146 0
C131
3.6p
C131
3.6p
L119 8n L119 8n
R102 100K R102 100K
J101 Fout J101 Fout
1 2 3 4 5
R138
68k
R138
68k
C123
470p
C123
470p
R111 15nH R111 15nH
C125
2p
C125
2p
R124
0
R124
0
C139
0.1u
C139
0.1u
C160 18p C160 18p
R144R144
R112 82 R112 82
C170
NC
C170
NC
C135
NC
C135
NC
R126R126
R134
15nH
R134
15nH
C144
NC
C144
NC
L115 470n L115 470n
C113 39p C113 39p
C162
0.1u
C162
0.1u
R108
0
R108
0
C150
7p
C150
7p
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
L123L123
R106 100 R106 100
L108
27n
L108
27n
L110
BLM18AG601SN1
L110
BLM18AG601SN1
12
+
C107
+
C107
C147
0.1u
C147
0.1u
C156 24p C156 24p
L125
15n
L125
15n
R142
82
R142
82
L111L111
C165 10p C165 10p
L104 470n L104 470n
C101
4.7p
C101
4.7p
C128
10p
C128
10p
C151 3.5p C151 3.5p
D103D103
21
R125 3.9k R125 3.9k
L126 12n L126 12n
D110D110
2 1
C140C140
Q106Q106
1
32
L120 27n L120 27n
R137R137
C108 220p C108 220p
R101 3.3k R101 3.3k
C171 470p C171 470p
Q107Q107
2
31
D111D111
2 1
C104
470P
C104
470P
R143
82
R143
82
R114 3.3k R114 3.3k
D112D112
2 1
C122
0.1u
C122
0.1u
C146 220p C146 220p
C149
NC
C149
NC
Q103Q103
1 2 34
5
C166 12p C166 12p
C111 5p C111 5p
L106 8n L106 8n
R139R139
C172
0.1u
C172
0.1u
L101
470nH
L101
470nH
C130 15p C130 15p
C126 0.1u C126 0.1u
C164
2.4p
C164
2.4p
C153
3.5p
C153
3.5p
C118
4p
C118
4p
D101D101
21
D107D107
21
R118R118
L112L112
R133
100
R133
100
R130R130
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
15n
L124
15n
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 8p C129 8p
C158 220p C158 220p
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