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PDF 3SK222 Data sheet ( Hoja de datos )
| Número de pieza | 3SK222 | |
| Descripción | RF AMPLIFIER FOR FM TUNER AND VHF TV TUNER N-CHANNEL Si DUAL GATE MOS FIELD-EFFECT TRANSISTOR 4 PINS MINI MOLD | |
| Fabricantes | NEC | |
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DATA SHEET
MOS FIELD EFFECT TRANSISTOR
3SK222
RF AMPLIFIER FOR FM TUNER AND VHF TV TUNER
N-CHANNEL Si DUAL GATE MOS FIELD-EFFECT TRANSISTOR
4 PINS MINI MOLD
FEATURES
• The Characteristic of Cross-Modulation is good.
CM = 92 dBµ TYP. @ f = 200 MHz, GR = –30 dB
• Low Noise Figure:
NF1 = 1.2 dB TYP. (f = 200 MHz)
NF2 = 1.0 dB TYP. (f = 55 MHz)
• High Power Gain:
GPS = 23 dB TYP. (f = 200 MHz)
• Enhancement Type.
• Suitable for use as RF amplifier in FM tuner and VHF TV tuner.
• Automatically Mounting:
Embossed Type Taping
• Small Package:
4 Pins Mini Mold
PACKAGE DIMENSIONS
(Unit: mm)
2.8
+0.2
–0.3
1.5
+0.2
–0.1
ABSOLUTE MAXIMUM RATINGS (TA = 25 °C)
Drain to Source Voltage
Gate1 to Source Voltage
Gate2 to Source Voltage
VDSX
VG1S
VG2S
18
±8 (±10)*1
±8 (±10)*1
Gate1 to Drain Voltage
VG1D
18
Gate2 to Drain Voltage
VG2D
18
Drain Current
ID 25
Total Power Dissipation
PD
200
Channel Temperature
Tch
125
Storage Temperature
Tstg –55 to +125
*1 RL ≥ 10 kΩ
V
V
V
V
V
mA
mW
°C
°C
5° 5°
5° 5°
1. Source
2. Drain
3. Gate 2
4. Gate 1
PRECAUTION
Avoid high static voltages or electric fields so that this device would not suffer from any damage due to those voltage
or fields.
Document No. P10574EJ2V0DS00 (2nd edition)
(Previous No. TD-2267)
Date Published August 1995 P
Printed in Japan
© 199839
1 page  
NF TEST CIRCUIT AT f = 55 MHz
INPUT
50 Ω
VG2S
VDS
2.2 kΩ
RFC
Ferrite
Beads
1 500 pF
1 500 pF
1 000 pF
27 pF
3.3 kΩ
47 kΩ
47 kΩ
27 pF
3.3 kΩ
1 000 pF
3SK222
OUTPUT
50 Ω
VG1S
GPS AND NF TEST CIRCUIT AT f = 200 MHz
VG2S
1 000 pF
22 kΩ
1 000 pF
Ferrite Beads
INPUT 7 pF
50 Ω
1 000 pF
L1
15 pF
22 kΩ
1 000 pF
15 pF
L2 7 pF OUTPUT
1 000 pF
50 Ω
L3
1 000 pF
1 000 pF
VG1S
VDS
L1: φ 0.6 mm U.E.W φ 7 mm 3 T
L2: φ 0.6 mm U.E.W φ 7 mm 3 T
L3: RFC 2.2 µH
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet 3SK222.PDF ] | |
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