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Vishay Intertechnology Electronic Components Datasheet


S949T

MOSMIC for TV-Tuner Prestage with 9 V Supply Voltage



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S949T pdf
S949T/S949TR/S949TRW
Vishay Telefunken
MOSMIC® for TV–Tuner Prestage with 9 V Supply
Voltage
MOSMIC - MOS Monolithic Integrated Circuit
Electrostatic sensitive device.
Observe precautions for handling.
Applications
Low noise gain controlled input stages in UHF-and
VHF- tuner with 9 V supply voltage.
Features
D Integrated gate protection diodes
D Low noise figure
D High gain
D Biasing network on chip
C block
AGC
G2
RF in
G1
C block
RFC
D
S C block
VDD
RF out
94 9296
D Improved cross modulation at gain reduction
D High AGC-range
D SMD package
21
12
94 9279
13 579
34
S949T Marking: 949
Plastic case (SOT 143)
1 = Source, 2 = Drain, 3 = Gate 2, 4 = Gate 1
12
94 9278
43
95 10831
S949TR Marking: 99R
Plastic case (SOT 143R)
1 = Source, 2 = Drain, 3 = Gate 2, 4 = Gate 1
13 654
13 566
43
S949TRW Marking: W99
Plastic case (SOT 343R)
1 = Source, 2 = Drain, 3 = Gate 2, 4 = Gate 1
Document Number 85061
Rev. 3, 20-Jan-99
www.vishay.de FaxBack +1-408-970-5600
1 (9)



No Preview Available !

S949T pdf
S949T/S949TR/S949TRW
Vishay Telefunken
Absolute Maximum Ratings
Tamb = 25_C, unless otherwise specified
Parameter
Drain - source voltage
Drain current
Gate 1/Gate 2 - source peak current
Gate 1/Gate 2 - source voltage
Total power dissipation
Channel temperature
Storage temperature range
Test Conditions
Tamb 60 °C
Symbol
VDS
ID
±IG1/G2SM
±VG1/G2SM
Ptot
TCh
Tstg
Value
12
30
10
6
200
150
–55 to +150
Unit
V
mA
mA
V
mW
°C
°C
Maximum Thermal Resistance
Tamb = 25_C, unless otherwise specified
Parameter
Test Conditions
Channel ambient on glass fibre printed board (25 x 20 x 1.5) mm3
mplated with 35 m Cu
Symbol
RthChA
Value
450
Unit
K/W
Electrical DC Characteristics
Tamb = 25_C, unless otherwise specified
Parameter
Test Conditions
Gate 1 - source
±IG1S = 10 mA, VG2S = VDS = 0
breakdown voltage
Gate 2 - source
±IG2S = 10 mA, VG1S = VDS = 0
breakdown voltage
Gate 1 - source
leakage current
Gate 2 - source
leakage current
+VG1S = 5 V, VG2S = VDS = 0
–VG1S = 5 V, VG2S = VDS = 0
±VG2S = 5 V, VG1S = VDS = 0
Drain current
Self-biased
operating current
Gate 2 - source
cut-off voltage
VDS = 9 V, VG1S = 0, VG2S = 4 V
VDS = 9 V, VG1S = nc, VG2S = 4 V
mVDS = 9 V, VG1S = nc, ID = 100 A
Symbol Min Typ Max Unit
±V(BR)G1SS 7
10 V
±V(BR)G2SS 7
+IG1SS
–IG1SS
±IG2SS
IDSS
IDSP
50
8
10 V
50 mA
100 mA
20 nA
500 mA
12 16 mA
VG2S(OFF)
1.0
V
Caution for Gate 1 switch-off mode:
No external DC-voltage on Gate 1 in active mode!
Switch-off at Gate 1 with VG1S < 0.7 V is feasible.
WUsing open collector switching transistor (inside of PLL), insert 10 k collector resistor.
www.vishay.de FaxBack +1-408-970-5600
2 (9)
Document Number 85061
Rev. 3, 20-Jan-99



Part Number S949T
Description MOSMIC for TV-Tuner Prestage with 9 V Supply Voltage
Maker Vishay Telefunken - Vishay Telefunken
Total Page 9 Pages
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