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參數資料
| 型號： | LC75366M |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDIP20 |
| 封裝： | DIP-20 |
| 文件頁數： | 2/11頁 |
| 文件大小： | 243K |
| 代理商： | LC75366M |
Loudness Function External Circuit Constant Calculation Example
First, refer to the LC75366 and LC75366M 10 dB step internal equivalent circuit shown on page 5. Figure 1 below
shows this circuit simplified with the external components used for the loudness function connected for this calculation.
The sample calculation below uses this diagram to acquire a 5 dB boost at f = 100 Hz.
(f = 100 Hz, 5 dB boost)
Let R and C in Figure 1 be:
R1 = R2 = 10 k
R3 = 1 k
C1 = Z1, C2 = Z2
Then:
Solving the above equations gives:
Z1
≠ 178.3 k and Z2 = 176
No. 4929-10/11
LC75366, 75366M
VOUT =
(at = 1 kHz)
+
R2 (R3 + Z2)
R2 + R3 + Z2
= –20 dB
R1 Z1
R1 + Z1
R2 (R3 + Z2)
R2 + R3 + Z2
VOUT =
(at = 100 Hz)
+
= –15 dB
R1 10 Z1
R1 + 10 Z1
R2 (R3 + 10 Z2)
R2 + R3 + 10 Z2
R2 (R3 + 10 Z2)
R2 + R3 + 10 Z2
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| LC75366 | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDIP20 |
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相關代理商/技術參數 |
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| LC7536LHS | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:High-voltage, Two-channel Electronic Attenuator |
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| LC7536R | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:High Breakdown Voltage Serial Control Electronic Volume Control |
| LC7537 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Electronic Volume Control System for Audio Equipment |
| LC75371M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Car Stereo Electronic Tone and Volume Control |
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