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參數(shù)資料
| 型號(hào)： | LC75348M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Single-Chip Electronic Volume and Tone Control System |
| 中文描述： | 單芯片電子音量和音調(diào)控制系統(tǒng) |
| 文件頁數(shù)： | 16/21頁 |
| 文件大?。?/td> | 215K |
| 代理商： | LC75348M |
No. 7308 -16/21
LC75348, 75348M
Treble Band Circuit
The treble band circuit can provide shelving characteristics.
This section presents the equivalent circuit for boost operation and the calculation formulas.
Sample calculation
Specifications: Set frequency: f = 26,000 Hz
Gain at maximum boost: G
+10 dB
= 10 dB
Assume R1 = 16.240 K
, and R2 = 35.461 K
.
The constants mentioned above are calculated as follows.
C
R1
R2
G
= 20
×
LOG
10
1 +
R
2
R1
2
+ (1 /
ω
C
)
2
C
=
R
2
–
R
1
2
1
2
π
f
10
G
/20
–1
2
=
1
2
π
26000
35461
3.16 – 1
– 16240
2
= 2700(
pF
)
2
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| LC7535 | 制造商:Panasonic Industrial Company 功能描述:IC |
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