msc1318.pdf 10-25-99
mrf581/mrf581a
函数的
标识 测试 情况 值
最小值 典型值 最大值 单位
NFmin
最小 噪音 图示 mrf581
(ic = 50madc, vce = 10vdc, f = 0.5ghz) mrf581a -
2.5
2.0
3.0
3.0 dB
G
NF
电源 增益 @NFmin
(ic = 50madc, vce = 10vdc, f = 0.5ghz) 13 15.5 dB
G
u 最大值
最大 unilateral 增益 (1)
ic = 50madc, vce = 10vdc, f = 500 mhz - 17.8
-
dB
MSG 最大 稳固的 增益
ic = 50madc, vce = 10vdc, f = 500 mhz - 20
-
dB
|S
21
|
2
嵌入 增益
ic = 50madc, vce = 10vdc, f = 500 mhz 14 15 - dB
表格 1. 一般 发射级 s-参数, @ vce = 10 v, ic = 50毫安
f S11 S21 S12 S22
(mhz) |S11|
∠ φ
|S21|
∠ φ
|S12|
∠ φ
|S22|
∠ φ
100 .610 -137 23.8 116 .026 46 .522 -78
200 .659 -161 13.2 98 .033 47 .351 -106
300 .671 -171 9.0 89 .040 51 .304 -120
400 .675 -178 6.8 83 .047 55 .292 -128
500 .677 176 5.5 77 .055 58 .293 -132
600 .678 172 4.6 72 .064 61 .299 -134
700 .677 168 4.0 68 .073 62 .306 -135
800 .679 184 3.5 64 .082 63 .314 -136
900 .678 160 3.1 60 .092 64 .322 -138
1000 .682 156 2.8 56 .102 65 .311 -139
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