BF256A
http://onsemi.com
3
f, FREQUENCY (MHz)
Figure 4. Input Admittance versus Frequency
g
is
, INPUT CONDUCTANCE (mmhos)
1000
0.01
10
100
10
0.1
1
Figure 5. Forward Transfer Admittance versus
Frequency
VDS
= 15 Vdc
VGS
= 0
Yis
= g
is
+ j
bis
0.1
1
10
100
bis
±gis
b
is
, INPUT SUSCEPTANCE (mmhos)
f, FREQUENCY (MHz)
g
fs
, FORWARD TRANSCONDUCTANCE (mmhos)
1000
0.1
100
100
10
1
10
VDS
= 15 Vdc
VGS
= 0
Yfs
= g
fs
± j
bfs
0.1
1
10
100
±bfs
gfs
±b
fs
, FORWARD SUSCEPTANCE (mmhos)
±VGS, GATE±SOURCE VOLTAGE (VOLTS)
C
iss
, INPUT CAPACITANCE (pF)
14 1023 5 7896
0
VDS
= 20 Vdc
f = 1 MHz
0
5
2
4
1
3
0
±VGS, GATE±SOURCE VOLTAGE (VOLTS)
C
rss
, REVERSE TRANSFER
CAPACITANCE (pF)
2846 10
0
1.0
0.5
f, FREQUENCY (MHz)
Figure 6. Reverse Transfer Admittance
versus Frequency
±g
rs
, REVERSE TRANSCONDUCTANCE (mmhos)
1000
0.001
1
100
10
0.01
0.1
Figure 7. Output Admittance versus
Frequency
VDS
= 15 Vdc
VGS
= 0
Yrs
= ±g
rs
± j
brs
0.01
0.1
1
10
±brs
±grs
±b
rs
, REVERSE SUSCEPTANCE (mmhos)
f, FREQUENCY (MHz)
g
os
, OUTPUT CONDUCTANCE (mmhos)
1000
0.001
1
100
10
0.01
0.1
VDS
= 15 Vdc
VGS
= 0
Yos
= g
os
+ j
bos
0.01
0.1
1
10
bos
gos
b
os
, OUTPUT SUSCEPTANCE (mmhos)
Figure 8. Input Capacitance versus
Gate±Source Voltage
Figure 9. Reverse Transfer Capacitance
versus Gate±Source Voltage
VDS
= 20 Vdc
f = 1 MHz
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