3SK255
OUTPUT CAPACITANCE vs.
GATE2 TO SOURCE VOLTAGE
POWER GAIN AND NOISE FIGURE vs.
GATE2 TO SOURCE VOLTAGE
2.5
2.0
1.5
1.0
10
I
D
= 7 mA
I
D
= 7 mA
(at VDS = 3.5 V,
G2S = 3.0 V)
G
PS
20
10
(at VDS = 3.5 V,
VG2S = 3.0 V)
V
f = 900 MHz
f = 1 MHz
5
0
–10
–20
NF
0.5
0
0
–1.0
0
1.0
2.0
3.0
4.0
–1.0
0
1.0
2.0
3.0
4.0
VG2S – Gate2 to Source Voltage – V
VG2S – Gate2 to Source Voltage – V
S-Parameter
VDS = 3.5 V, VG2S = 3 V, ID = 7 mA
Frequency
(MHz)
100
S11
S21
S12
S22
MAG
1.017
1.000
0.999
0.993
0.984
0.966
0.948
0.934
0.908
0.901
ANG
–6.5
MAG
ANG
173.3
163.6
155.5
146.8
136.7
130.4
122.7
114.5
105.6
96.6
MAG
0.035
0.014
0.006
0.006
0.005
0.002
0.002
0.003
0.011
0.010
ANG
–88.2
–121.6
67.0
MAG
0.985
0.987
0.988
0.983
0.985
0.983
0.979
0.986
0.991
1.024
ANG
–2.9
2.057
2.034
1.991
1.996
1.956
1.930
1.901
1.897
1.897
1.984
200
–13.4
–19.8
–26.6
–32.6
–39.1
–45.5
–51.4
–57.5
–83.8
–6.9
300
–10.4
–13.8
–17.1
–20.8
–24.6
–27.9
–32.1
–36.4
400
71.3
500
117.8
–23.3
–162.4
37.8
600
700
800
900
–146.3
–144.3
1000
4
ETC [ ETC ]
