3SK318
Rev.2.00 Aug 10, 2005 page 4 of 7 5
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0246810
Drain Current I
D
(mA)
Noise Figure NF (dB)
Noise Figure vs. Drain Current Power Gain vs. Drain to Source Voltage
Power Gain PG (dB)
Drain to Source Voltage V
DS
(V)
V
DS
= 3.5 V
V
G2S
= 3 V
f = 900 MHz
V
G2S
= 3 V
I
D
= 10 mA
f = 900 MHz
5
4
3
2
1
02468
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01
2345
Noise Figure NF (dB)
Noise Figure vs. Drain to Source Voltage
Drain to Source Voltage V
DS
(V)
Power Gain vs. Gate2 to Source Voltage
Gate2 to Source Voltage V
G2S
(V)
Power Gain PG (dB)
Noise Figure vs. Gate2 to Source Voltage
Gate2 to Source Voltage V
G2S
(V)
Noise Figure NF (dB)
V
G2S
= 3 V
I
D
= 10 mA
f = 900 MHz
5
4
3
2
1
25
20
15
10
5
V
DS
= 3.5 V
f = 900MHz
V
DS
= 3.5 V
f = 900MHz