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參數(shù)資料
| 型號(hào)： | LC75348M |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類(lèi)： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO30 |
| 封裝： | MFP-30 |
| 文件頁(yè)數(shù)： | 8/21頁(yè) |
| 文件大?。?/td> | 214K |
| 代理商： | LC75348M |
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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 +
R2
R1
2 + (1 /
ωC)2
C =
R2
– R1
2
1
2
πf
10G/20 –1
2
=
1
2
π26000
35461
3.16 – 1
– 16240
2
= 2700(pF)
2
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| LC75348 | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP30 |
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| LC75348M-TLM-E | 功能描述:音頻 DSP RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
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