參數(shù)資料
型號: MMBR4957LT1
廠商: MOTOROLA INC
元件分類: 小信號晶體管
英文描述: PNP Silicon High-Frequency Transistor
中文描述: UHF BAND, Si, PNP, RF SMALL SIGNAL TRANSISTOR
文件頁數(shù): 2/4頁
文件大?。?/td> 66K
代理商: MMBR4957LT1
MMBR4957LT1, T3
2
MOTOROLA RF DEVICE DATA
(Volts)
IC
(mA)
f
MHz
S11
S21
S12
S22
VCE
|S11|
0.61
0.39
0.30
0.26
0.24
0.24
0.23
0.23
0.25
0.29
±
φ
|S21|
9.28
5.56
3.73
2.79
2.26
1.78
1.49
1.17
0.98
0.85
±
φ
|S12|
0.03
0.07
0.09
0.12
0.14
0.17
0.20
0.24
0.29
0.34
±
φ
|S22|
0.90
0.69
0.62
0.59
0.58
0.58
0.58
0.56
0.54
0.50
±
φ
–5.0
–5.0
0.1
0.3
0.5
0.7
0.9
1.2
1.5
2.0
2.5
3.0
–37
–83
–107
–125
–140
–158
–172
156
133
105
148
112
95
84
76
65
55
43
33
26
72
62
62
62
61
60
60
60
59
58
–16
–27
–30
–34
–38
–45
–51
–61
–72
–83
–10
0.1
0.3
0.5
0.7
0.9
1.2
1.5
2.0
2.5
3.0
0.42
0.28
0.25
0.25
0.25
0.26
0.26
0.27
0.30
0.34
–55
–108
–132
–148
–162
–177
170
142
122
97
11.54
5.81
3.72
2.77
2.23
1.74
1.46
1.14
0.95
0.82
138
104
90
81
73
62
54
41
32
26
0.03
0.06
0.08
0.11
0.13
0.16
0.19
0.24
0.29
0.35
71
66
67
66
66
65
65
65
64
61
0.84
0.64
0.59
0.58
0.57
0.57
0.57
0.56
0.53
0.50
–18
–25
–28
–32
–37
–43
–50
–60
–73
–83
–15
0.1
0.3
0.5
0.7
0.9
1.2
1.5
2.0
2.5
3.0
0.24
0.24
0.27
0.29
0.31
0.32
0.32
0.34
0.36
0.41
–90
–136
–153
–167
–178
168
155
130
111
89
6.83
3.17
2.23
1.75
1.47
1.20
1.03
0.83
0.71
0.64
129
107
96
86
77
65
56
44
36
31
0.02
0.05
0.08
0.10
0.12
0.15
0.18
0.24
0.31
0.37
69
70
69
70
70
70
72
71
68
64
0.80
0.72
0.69
0.66
0.65
0.64
0.63
0.60
0.57
0.51
–12
–19
–26
–32
–38
–46
–53
–65
–78
–90
–10
–5.0
0.1
0.3
0.5
0.7
0.9
1.2
1.5
2.0
2.5
3.0
0.65
0.42
0.31
0.26
0.24
0.23
0.21
0.20
0.21
0.25
–33
–73
–95
–111
–126
–144
–159
166
141
109
9.36
5.77
3.91
2.94
2.39
1.87
1.58
1.24
1.04
0.90
149
114
98
87
78
67
58
46
35
28
0.03
0.06
0.09
0.11
0.14
0.17
0.19
0.23
0.27
0.32
74
64
63
63
62
60
60
60
59
59
0.92
0.72
0.65
0.62
0.61
0.60
0.60
0.58
0.56
0.52
–14
–25
–29
–32
–37
–43
–49
–58
–69
–79
–10
0.1
0.3
0.5
0.7
0.9
1.2
1.5
2.0
2.5
3.0
0.49
0.30
0.25
0.23
0.22
0.23
0.23
0.23
0.25
0.30
–46
–91
–114
–132
–147
–164
–178
150
128
101
12.33
6.45
4.19
3.10
2.50
1.96
1.63
1.27
1.06
0.92
141
107
93
83
75
65
57
44
35
27
0.03
0.06
0.08
0.11
0.13
0.16
0.18
0.23
0.28
0.33
71
67
67
66
65
64
65
65
64
62
0.87
0.66
0.61
0.59
0.58
0.58
0.58
0.57
0.55
0.51
–17
–24
–27
–31
–35
–41
–47
–57
–67
–78
–15
0.1
0.3
0.5
0.7
0.9
1.2
1.5
2.0
2.5
3.0
0.38
0.25
0.23
0.23
0.24
0.26
0.26
0.27
0.29
0.34
–57
–107
–130
–147
–161
–177
170
141
120
96
12.51
5.97
3.84
2.84
2.29
1.80
1.50
1.17
0.97
0.84
135
103
90
81
74
64
55
43
34
27
0.02
0.05
0.08
0.10
0.12
0.15
0.18
0.23
0.28
0.34
71
69
69
68
67
68
68
69
67
64
0.84
0.66
0.63
0.61
0.61
0.60
0.61
0.59
0.57
0.53
–17
–21
–25
–29
–34
–41
–47
–57
–68
–79
Table 1. Common Emitter S–Parameters
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