3SK222 Datasheet, PDF (4/6 Pages) NEC – RF AMPLIFIER FOR FM TUNER AND VHF TV TUNER N-CHANNEL Si DUAL GATE MOS FIELD-EFFECT TRANSISTOR 4 PINS MINI MOLD

OUTPUT CAPACITANCE vs.
GATE2 TO SOURCE VOLTAGE
2.5
ID = 10 mA
(at VDS = 6 V
VG2S = 4 V)
f = 1 MHz
2.0
1.5
1.0
0.5
0
–1.0
0
1.0
2.0
3.0
4.0
VG2S – Gate2 to Source Voltage – V
3SK222
POWER GAIN AND NOISE FIGURE vs.
GATE2 TO SOURCE VOLTAGE
10
ID = 10 mA
20
(at VDS = 6 V
VG2S = 4 V)
GPS
f = 200 MHz
10
5
0
–10
NF
–20
0
–2.0
0
2.0
4.0
6.0
8.0
VG2S – Gate2 to Source Voltage – V
4