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Dated : 07/12/2002
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
1
COLLECTOR-BASE VOLTAGE VCB (V)
-50
-100
-300
1
0.05
0.1
3
rb
0.3
0.5
IYrbI
COMMON BASE
I E=-1mA
f=100MHz
Ta=25 C
o
5
10
30
IYrbI , rb-VCB
0
8
12
16
20
INPUT CONDUCTANCE g ie (mS)
010
15
20
25
4
5
30
Yie-f
OUTPUT CONDUCTANCE goe (S)
400
0
020
800
40
60
Yoe-f
1600
1200
2000
80
100
120
FORWARD TRANSFER CONDUCTANCE g fe (mS)
-40
010
20
-30
-20
30
40
50
-10
0
Yfe-f
-800
-600
-200
-400
Yre-f
REVERSE TRANSFER CONDUCTANCE g re (S)
-200
0
-160
-120
-40
-80
0
AMBIENT TEMPERATURE Ta ( C)
0
040
20
40
60
60
80
120
140
100
120
PC-Ta
80
100
20
o
10.7
27
50
100
150
f=200MHz
10.7
27
50
100
150
f=200MHz
f=10.7MHz
150
100
50
27
200
f=10.7MHz
27
50
100
150
200
o
COMMON EMITTER
VCE=6V
I E=-1mA
Ta=25 C
COMMON EMITTER
VCE=6V
I E=-1mA
Ta=25 C
o
COMMON EMITTER
VCE=6V
I E=-1mA
Ta=25 C
o
COMMON EMITTER
VCE=6V
I E=-1mA
Ta=25 C
o
ST 2SC1923