3SK177 Datasheet, PDF (3/6 Pages) NEC – RF AMP. FOR UHF TV TUNER N-CHANNEL GaAs DUAL-GATE MES FIELD-EFFECT TRANSISTOR 4 PIN MINI MOLD

3SK177
POWER GAIN AND NOISE FIGURE vs.
DRAIN TO SOURCE VOLTAGE
10
20
GPS
POWER GAIN AND NOISE FIGURE vs.
DRAIN CURRENT
10
25
VDS = 5 V
VG2S = 1 V
f = 900 MHz
20
GPS
5
10
0
0
VG2S = 1 V
VG2S = 0.5 V
VG2S = 2 V
ID = 10 mA
f = 900 MHz
15
5
10
5
NF
0
0
5
10
VDS – Drain to Source Voltage – V
NF
5
10
ID – Drain Current – mA
S-PARAMETER (VDS = 5 V, VG2S = 1 V, ID = 10 mA)
FREQUENCY
MHz
MAG
S11
ANG
S21
MAG
ANG
S12
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
l58.4
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
S22
MAG
ANG
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