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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)
INPUT
50
0.01 F
DUT
1000pF
6pF
1000pF
VCC
0.02 F
0.02 F
L1
OUTPUT
50
-VE
(IE=-1mA)
ST 2SC1923
L1:0.8mm
φ SILVER PLATED COPPER WIRE, 4T,10ID,8 LENGTH
Fig. 1 NF, Gpe TEST CIRCUIT
PARAMETER(Typ.)
(1) COMMON EMITTER (VCE=6V,IE=-1mA, f=100MHz)
CHARACTERISTIC
SYMBOL
TYP.
UNIT
Input Conductance
gie
2.9
mS
Input Capacitance
Cie
10.2
pF
Reverse Transfer Admittance
IyreI
0.33
μS
Phase Angle of Reverse Transfer Admittance
-
Υ
re
90
o
Forward Transfer Admittance
IyfeI
40
mS
Phase Angle of Forward Transfer Admittance
-
Υ
fe
20
o
Output Conductance
goe
45
μS
Output Capacitance
Coe
1.1
pF
(2) COMMON BASE(VCE=6V,IE=-1mA,f=100MHz)
CHARACTERISTIC
SYMBOL
TYP.
UNIT
Input Conductance
gib
34
mS
Input Capacitance
-Cib
10
pF
Reverse Transfer Admittance
IyrbI
0.27
μS
Phase Angle of Reverse Transfer Admittance
-
Υ
rb
105
o
Forward Transfer Admittance
IyfbI
34
mS
Phase Angle of Forward Transfer Admittance
Υ
fb
165
o
Output Conductance
gob
45
μS
Output Capacitance
Cob
1.1
pF
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