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參數(shù)資料
| 型號： | LC75386NE |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP64 |
| 封裝： | QFP-64 |
| 文件頁數(shù)： | 8/20頁 |
| 文件大小： | 319K |
| 代理商： | LC75386NE |
No. 5937-16/20
LC75386NE
External Capacitor Calculations
The LC75386NE external capacitors are the structural components in semiconductor inductors, i.e. simulated inductors.
This section presents the equivalent circuit and the formulas used to calculate the desired center frequencies.
Semiconductor inductor equivalent circuit
Sample calculation
Specifications: 1. Center frequency: F0 = 100 Hz
2. Q at maximum boost: Q+12dB = 0.9
Determine the sharpness, Q0, of the semiconductor inductor.
(R1 + R4)
Q0 = ————— × Q+12dB ≈ 1.53999
R1
Determine C1.
C1 = 1/2
π F
OR1QO ≠ 1 ( F)
Determine C2.
C2 = QO/2π FOR2 ≠ 0.036 (F)
Note: See the tone control block equivalent circuit diagram in page 15 for the internal resistance.
Z0: Impedance at resonance
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC75386NE-L | 制造商:SANYO Semiconductor Co Ltd 功能描述:2 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP64 |
| LC75386NE-R | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:LC75386NE-R/LC75386NW |
| LC75386NE-R-E | 制造商:ON Semiconductor 功能描述: |
| LC75386NW | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:LC75386NE-R/LC75386NW |
| LC7538JM | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Electronic Volume Control System for Car Audio |
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