3SK254 NEC, 3SK254 Datasheet - Page 4

• Manufacturer Part Number: 3SK254
• Description: RF AMPLIFIER FOR CATV TUNER N-CHANNEL Si DUAL GATE MOS FIELD-EFFECT TRANSISTOR 4 PINS SUPER MINI MOLD
• Manufacturer: NEC

4
2.5
2.0
1.5
1.0
0.5
0
–1.0
V
OUTPUT CAPACITANCE vs.
GATE2 TO SOURCE VOLTAGE
G2S
0
– Gate2 to Source Voltage – V
1.0
2.0
I
I
(at V
(at V
f = 1 MHz
f = 1 MHz
D
D
= 7 mA
= 7 mA
V
V
DS
DS
G2S
G2S
3.0
= 3.5 V,
= 3.5 V,
= 3.0 V)
= 3.0 V)
4.0
10
5
0
–10
–20
20
10
–1.0
0
I
(at V
f = 470 MHz
D
POWER GAIN AND NOISE FIGURE vs.
GATE2 TO SOURCE VOLTAGE
= 7 mA
V
V
G2S
DS
G2S
0
= 3.5 V,
= 3.0 V)
– Gate2 to Source Voltage – V
1.0
2.0
3.0
G
NF
PS
3SK254
4.0