參數(shù)資料
型號: LC75421M
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO36
封裝: 0.375 INCH, MFP-36
文件頁數(shù): 9/24頁
文件大?。?/td> 392K
代理商: LC75421M
No. 6866-17/24
LC75421M
Calculation example 2
Specification Set frequency: f = 10000 Hz
Gain during maximum boost: G + 11.9 dB = 11.9 dB
Let us use R1 = 11.030 k
and R2 = 45.054 k.
The above constants are inserted in the following formula.
R2
R12
+ (1 / ωC)2
C
=
R2
)2 – R12
1
2
πf
1011.9/20 – 1
(
=
1
2
π10000
45054
3.94–1
≠ 1500(pF)
(
)2 – 110302
G
= 20 × LOG
10
1
+
Setting
f = 10 kHz
f = 1 kHz
11.9 dB
11.92
0.00
10.2 dB
10.64
0.00
8.5 dB
9.17
0.00
6.8 dB
7.52
0.00
5.1 dB
5.74
0.00
3.4 dB
3.88
0.00
1.7 dB
1.96
0.00
Simulation Results
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