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2N3819G Datasheet, PDF (3/8 Pages) ON Semiconductor – JFET VHF/UHF Amplifier
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2N3819
30
20
10
7.0
5.0
3.0
2.0
1.0
0.7
0.5
0.3
10
COMMON SOURCE CHARACTERISTICS
ADMITTANCE PARAMETERS
(VDS = 15 Vdc, Tchannel = 25°C)
5.0
3.0
bis @ IDSS
2.0
1.0
0.7
gis @ IDSS
0.5
0.3
gis @ 0.25 IDSS
0.2
brs @ IDSS
0.25 IDSS
bis @ 0.25 IDSS
20 30
50 70 100 200 300 500 700 1000
f, FREQUENCY (MHz)
Figure 1. Input Admittance (yis)
0.1
0.07
0.05
10
grs @ IDSS, 0.25 IDSS
20 30
50 70 100 200 300 500 700 1000
f, FREQUENCY (MHz)
Figure 2. Reverse Transfer Admittance (yrs)
20
10
7.0
5.0
3.0
2.0
1.0
0.7
0.5
0.3
0.2
10
gfs @ IDSS
gfs @ 0.25 IDSS
|bfs| @ IDSS
|bfs| @ 0.25 IDSS
20 30
50 70 100
200 300 500 700 1000
f, FREQUENCY (MHz)
Figure 3. Forward Transadmittance (yfs)
10
5.0
2.0
1.0
0.5
0.2
0.1
0.05
0.02
0.01
10
bos @ IDSS and 0.25 IDSS
gos @ IDSS
gos @ 0.25 IDSS
20 30
50 70 100 200 300 500 7001000
f, FREQUENCY (MHz)
Figure 4. Output Admittance (yos)
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