3SK299 Datasheet, PDF (3/6 Pages) NEC – RF AMP. FOR UHF TV TUNER N-CHANNEL GaAs DUAL-GATE MES FIFLD-EFFECT TRANSISTOR 4 PIN SMALL MINI MOLD

3SK299
POWER GAIN AND NOISE FIGURE vs.
DRAIN TO SOURCE VOLTAGE
20
20
GPS
POWER GAIN AND NOISE FIGURE vs.
DRAIN CURRENT
10
25
VDS = 5 V
VG2S = 1 V
f = 900 MHz
GPS
20
5
10
VG2S = 1 V
VG2S = 0.5 V
VG2S = 2 V
ID = 10 mA
f = 900 MHz
15
5
10
5
0
0
NF
5
0
0
10
VDS – Drain to Source Voltage – V
S-PARAMETER (VDS = 5 V, VG2S = 1 V, ID = 10 mA)
NF
5
10
ID – Drain Current – mA
FREQUENCY
MHz
S11
MAG
ANG
S21
MAG
ANG
S12
MAG
ANG
S22
MAG
ANG
100.0000
200.0000
300.0000
400.0000
500.0000
600.0000
700.0000
800.0000
900.0000
1000.0000
1100.0000
1200.0000
0.999
1.000
0.998
0.974
1.005
0.942
0.968
0.920
0.952
0.898
0.915
0.879
–3.3
–7.2
–9.3
–13.4
–15.7
–19.1
–22.2
–25.2
28.9
–29.4
–35.1
–35.2
2.359
2.389
2.313
2.233
2.420
2.300
2.332
2.229
2.447
2.303
2.348
2.367
177.2
169.3
164.4
160.0
158.4
150.0
145.5
141.5
136.8
131.1
125.8
123.5
0.006
0.004
0.000
0.004
0.007
0.003
0.004
0.008
0.004
0.001
0.004
0.000
–122.3
123.0
–145.0
79.2
29.7
65.0
45.5
80.1
8.3
50.9
71.4
91.1
0.969
0.981
0.979
0.967
0.999
0.958
0.997
0 957
0.999
0.968
0.984
0.989
–1.3
–2.9
–3.3
5.6
–5.8
–7.7
–8.5
–9.4
–12.5
–11.1
–14.8
–13.0
3