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Dated : 07/06/2003
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Fig.10 Collector output capacitance vs.
collector-base voltage
Emitter input capacitance vs.
emitter-base voltage
I E=0A
I C=0A
2
Collector to base voltage:VCB(V)
Emitter to base voltage :VEB(V)
0.2
0.5
1
2
1
5
10
50
20
Cob
5
10
Cib
20
f=1MHz
Ta=25 C
o
VCB=6V
Emitter Current I E (mA)
-0.5
-0.2
10
-10
-5
-2
-1
20
50
100
Fig.11 Base-collector time constant
vs. emitter current
200
Ta=25 C
o
f=32MHz
ST 2SC2412