參數(shù)資料
型號： 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)： 15/21頁
文件大小： 215K
代理商： LC75348M
Bass Band Circuit
This section presents the equivalent circuit and the formulas for calculating the R and C values for a 100 Hz center
frequency.
Bass band equivalent circuit
Sample calculation
Specifications: Center frequency: f0 = 100 Hz
Gain at maximum boost: G = 20 dB
Assume R1 = 0, R2 = 66.6 k
, and C1 = C2 = C.
(1) Determine R3 from the G = 20 dB condition.
(2) Determine C from the center frequency f0 = 100 Hz condition
(3) Determine Q
No. 7308 -15/21
LC75348, 75348M
R1
C1
C2
R2
R3
G
+
20
dB
=
20
×
LOG
10
1
+
R
2
2
R
3
R
3
=
R
2
2 10
G+
20
dB
/20
–1
66000
2
×
(10 – 1)
=
=
3.7k
f
0
=
R
3
R
2
C
1
C
2
1
C =
=
=
0.1
μ
F
1
2
π
f
0
2
π
R
3
R
2
1
2
π
×
100 66000
×
3700
Q
R
3
R
2
R
3
R
2
=
= 2.1
·
2
R
3
1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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LC7535 制造商:Panasonic Industrial Company 功能描述:IC
LC7535M 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Electronic Volume/Loudness Control with Serial Data Control and High Voltage-Handling Capacity
LC7535P 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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