3SK298
Noise Figure vs. Drain Current
3.0
V
DS
= 6 V
V
G2S
= 3 V
f = 200 MHz
Power Gain vs. Drain to Source Voltage
30
NF (dB)
PG (dB)
Power gain
2.4
24
Noise figure
1.8
18
1.2
12
V
G2S
= 3 V
I
D
= 10 mA
f = 200 MHz
2
4
6
8
10
0.6
0
1
6
2
5
10
20
0
Drain current
I
D
(mA)
Drain to source voltage
V
DS
(V)
Noise Figure vs. Drain to Source Voltage
2.0
20
Power Gain vs. Drain Current
NF (dB)
PG (dB)
Power gain
V
G2S
= 3 V
I
D
= 10 mA
f = 200 MHz
2
4
6
8
10
1.6
16
1.2
12
Noise figure
0.8
8
V
DS
= 6 V
V
G2S
= 3 V
f = 900 MHz
2
5
10
20
0.4
4
0
1
0
Drain to source voltage
V
DS
(V)
Drain current
I
D
(mA)
Noise Figure vs. Drain Current
10
V
DS
= 6 V
V
G2S
= 3 V
f = 900 MHz
Power Gain vs. Drain to Source Voltage
20
8
PG (dB)
Power gain
NF (dB)
16
6
12
Noise figure
4
8
V
G2S
= 3 V
I
D
= 10 mA
f = 900 MHz
2
4
6
8
10
2
0
1
4
2
5
10
20
0
Drain current
I
D
(mA)
Drain to source voltage
V
DS
(V)
Rev.3.00 Aug 10, 2005 page 4 of 8
RENESAS [ RENESAS TECHNOLOGY CORP ]
