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參數(shù)資料
| 型號(hào)： | HA12181FP |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | AM Radio Noise Reduction System |
| 中文描述： | AM收音機(jī)降噪系統(tǒng) |
| 文件頁數(shù)： | 15/21頁 |
| 文件大?。?/td> | 147K |
| 代理商： | HA12181FP |
HA12181FP
Rev.2, Jun. 1997, page 15 of 21
10
20
30
40
50
60
70
80
90
100
110
Vin (EMF) (dB
μ
)
-70
-60
-50
-40
-30
-20
-10
0
10
V
120
Vo (AF) : 0 dB = 76 mVrms
Noise (no modulation)
fc = 450 kHz, m = 30%, fm = 1kHz
1 k
5 k
10 k
100 k
50 k
0.2
R (
)
0.5
1
2
5
V
10
20
50
Pulse input at Gate ON
10μs
V pulse
2ms
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