S949T_08 Datasheet, PDF (3/10 Pages) Vishay Siliconix – MOSMIC® for TV-Tuner Prestage with 9 V Supply Voltage

S949T / S949TR / S949TRW
Vishay Semiconductors
Electrical AC Characteristics
T_amb = 25 °C, unless otherwise specified
V_DS = 9 V, V_G2S = 4 V, f = 1 MHz
Parameter
Test condition
Symbol
Min
Typ.
Max
Unit
Forward transadmittance
|y_21s|
25
30
35
mS
Gate 1 input capacitance
C_issg1
2.3
2.7
pF
Feedback capacitance
C_rss
25
fF
Output capacitance
C_oss
1
pF
Power gain
G_S = 2 mS, G_L = 0.5 mS,
G_ps
28
dB
f = 200 MHz
G_S = 3,3 mS, G_L = 1 mS,
G_ps
17
20
dB
f = 800 MHz
AGC range
V_DS = 9 V, V_G2S = 1 to 4 V,
ΔG_ps
45
dB
f = 800 MHz
Noise figure
G_S = 2 mS, G_L = 0.5 mS,
F
f = 200 MHz
1
dB
G_S = 3.3 mS, G_L = 1 mS,
F
f = 800 MHz
1.3
dB
Common Emitter S-Parameters
V_DS = 9 V, V_G2S = 4 V, Z₀ = 50 Ω, T_amb = 25 °C, unless otherwise specified
f/MHz
S11
S21
LOG
MAG
ANG
LOG
MAG
ANG
deg
deg
50
-0.01
-4.7
9.57
174.6
100
-0.03
-9.5
9.48
168.3
150
-0.12
-14.0
9.38
161.8
200
-0.19
-18.4
9.26
155.8
250
-0.29
-23.1
9.11
149.3
300
-0.40
-27.4
8.96
143.7
350
-0.52
-31.9
8.73
138.0
400
-0.66
-35.9
8.57
132.0
450
-0.80
-39.9
8.33
126.9
500
-0.95
-44.0
8.14
121.5
550
-1.08
-47.9
7.93
116.3
600
-1.25
-51.6
7.70
110.9
650
-1.40
-55.3
7.48
106.5
700
-1.53
-59.0
7.25
101.6
750
-1.68
-62.5
7.10
96.9
800
-1.83
-66.0
6.90
92.1
850
-1.98
-69.4
6.71
87.6
900
-2.08
-72.7
6.52
82.6
950
-2.21
-76.0
6.36
78.0
1000
-2.34
-79.4
6.17
74.0
1050
-2.47
-82.6
6.02
69.7
1100
-2.62
-85.6
5.80
65.0
1150
-2.74
-88.8
5.69
60.5
1200
-2.84
-91.8
5.56
56.3
1250
-2.92
-94.8
5.52
51.9
1300
-3.04
-97.7
5.34
47.1
S12
LOG
MAG
ANG
deg
-62.54
87.6
-56.18
84.2
-52.86
81.0
-50.58
78.7
-48.96
75.6
-47.89
73.4
-47.02
71.5
-46.44
70.0
-46.25
69.1
-46.08
68.7
-46.21
69.9
-46.22
73.2
-46.19
74.3
-46.47
78.5
-47.15
83.5
-47.48
92.3
-47.39
103.5
-46.82
115.7
-45.32
125.0
-44.07
129.4
-43.32
134.1
-42.50
140.6
-41.25
145.5
-39.97
150.1
-38.65
153.2
-37.46
154.8
S22
LOG
MAG
ANG
deg
-0.17
-2.3
-0.23
-3.6
-0.24
-5.4
-0.26
-7.1
-0.28
-9.1
-0.33
-10.6
-0.36
-12.3
-0.40
-14.0
-0.44
-15.6
-0.48
-17.2
-0.51
-18.8
-0.55
-20.4
-0.59
-21.7
-0.61
-23.4
-0.62
-24.9
-0.65
-26.4
-0.67
-28.0
-0.70
-29.8
-0.71
-31.4
-0.68
-33.0
-0.70
-34.6
-0.74
-36.0
-0.72
-37.8
-0.69
-39.7
-0.60
-41.9
-0.67
-43.3
Document Number 85061
Rev. 1.5, 08-Sep-08
www.vishay.com
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