2N3819 查看數據表（PDF） - Vishay Semiconductors
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2N3819 Datasheet PDF : 5 Pages
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2N3819
Vishay Siliconix
TYPICAL CHARACTERISTICS (TA = 25_C UNLESS OTHERWISE NOTED)
Input Admittance
100
TA = 25_C
VDS = 15 V
VGS = 0 V
Common Source
bis
Forward Admittance
100
TA = 25_C
VDS = 15 V
VGS = 0 V
Common Source
10
10
gis
gfs
–bis
1
1
0.1
100
200
500
f – Frequency (MHz)
Reverse Admittance
10 TA = 25_C
VDS = 15 V
VGS = 0 V
Common Source
–brs
1
1000
–grs
0.1
0.1
100
200
500
f – Frequency (MHz)
Output Admittance
10
TA = 25_C
VDS = 15 V
VGS = 0 V
bos
Common Source
1
gos
1000
0.1
0.01
100
200
500
f – Frequency (MHz)
1000
Equivalent Input Noise Voltage vs. Frequency
20
VGS(off) = –3 V
VDS = 10 V
16
12
8
4
0
10
ID = IDSS
ID = 5 mA
100
1k
10 k
f – Frequency (Hz)
100 k
Document Number: 70238
S–04028—Rev. D ,04-Jun-01
0.01
100
200
500
f – Frequency (MHz)
1000
Output Conductance vs. Drain Current
20
VGS(off) = –3 V
VDS = 10 V
f = 1 kHz
16
TA = –55_C
12
8
125_C
25_C
4
0
0.1
1
10
ID – Drain Current (mA)
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