ETC 3SK229

3SK229
GaAs Dual Gate MES FET
UHF TV Tuner RF Amplifier
Table 1 Absolute Maximum Ratings
(Ta = 25°C)
Item
Symbol Rating
Unit
——————————————————————–
Drain to source voltage
VDS
12
V
——————————————————————–
Gate 1 to source voltage
VG1S
–6
V
——————————————————————–
Gate 2 to source voltage
VG2S
–6
V
——————————————————————–
Drain current
ID
50
mA
——————————————————————–
Channel power dissipation Pch
150
mW
——————————————————————–
Channel temperature
Tch
125
°C
——————————————————————–
Storage temperature
Tstg
–55 to +125 °C
——————————————————————–
MPAK-4
2
3
1
4
1.
2.
3.
4.
Source
Gate 1
Gate 2
Drain
Table 2 Electrical Characteristics (Ta = 25°C)
Item
Symbol
Min Typ Max Unit Test condition
———————————————————————————————————————————————–
Drain to source cutoff current
IDSX
—
—
50
µA
VDS = 12 V,
VG1S = –4 V, VG2S = 0
———————————————————————————————————————————————–
Gate 1 to source breakdown voltage
V(BR)G1SS –6
—
—
V
IG1 = –10 µA,
VG2S = VDS = 0
———————————————————————————————————————————————–
Gate 2 to source breakdown voltage
V(BR)G2SS –6
—
—
V
IG2 = –10 µA,
VG1S = VDS = 0
———————————————————————————————————————————————–
Gate 1 cutoff current
IG1SS
—
—
–5
µA
VG1S = –5 V,
VG2S = VDS = 0
———————————————————————————————————————————————–
Gate 2 cutoff current
IG2SS
—
—
–5
µA
VG2S = –5 V,
VG1S = VDS = 0
———————————————————————————————————————————————–
Drain current
IDSS
15
25
40
mA
VDS = 5 V,
VG1S = VG2S = 0
———————————————————————————————————————————————–
Gate 1 to source cutoff voltage
VG1S(off) —
–1.3 –3.5 V
VDS = 5 V, VG2S = 0,
ID = 100 µA
———————————————————————————————————————————————–
Gate 2 to source cutoff voltage
VG2S(off) —
–1.3 –3.5 V
VDS = 5 V, VG1S = 0,
ID = 100 µA
———————————————————————————————————————————————–
3SK229
3SK229
Table 2 Electrical Characteristics (Ta = 25°C) (cont)
Item
Symbol
Min Typ Max Unit Test condition
———————————————————————————————————————————————–
Forward transfer admittance
|yfs|
20
34
—
mS
VDS = 5 V, VG2S = 1 V,
ID = 10 mA, f = 1 kHz
———————————————————————————————————————————————–
Input capacitance
Ciss
—
0.56 1.0
pF
VDS = 5 V,
———————————————————————————————————– VG1S = VG2S = –4 V,
Output capacitance
Coss
—
0.36 0.6
pF
f = 1 MHz
———————————————————————————————————–
Reverse transfer capacitance
Crss
—
0.027 0.05 pF
———————————————————————————————————————————————–
Power gain
PG
17
20
—
dB
VDS = 5 V, VG2S = 1 V,
———————————————————————————————————– ID = 10 mA, f = 900 MHz
Noise figure
NF
—
1.3
2.0
dB
———————————————————————————————————————————————–
• Marking is “XS-”.
• See characteristic curve of 3SK228.
2