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參數(shù)資料
| 型號： | NJW1136L |
| 廠商： | New Japan Radio Co., Ltd. |
| 英文描述： | AUDIO PROCESSOR with Subwoofer Output |
| 中文描述： | 音頻處理器輸出的低音炮 |
| 文件頁數(shù)： | 12/24頁 |
| 文件大小： | 412K |
| 代理商： | NJW1136L |
NJW1136
(12/24)
I
LPF Characteristics
The
NJW1136
includes the LPF for subwoofer output and bass boost function. The LPF consists of primary and
secondary LPF and it is enable to adjust “cut off frequency”, “Q” and “Roll off”.
The expression of LPF characteristics is as follows.
<Primary LPF>
1
*
10
*
24
*
2
1
1
*
*
2
1
R
3
1
C
C
f
c
=
=
π
π
5
1
=
Q
<Secondary LPF>
3
2
2
10
9
42
π
6
2
C
C
f
c
=
2
3
*
46
.
2
C
C
Q
=
<LPF Frequency Response>
LPF Block Diagram
Primary LPF
Secondary LPF
+
-
R=24k
C1
C2
C3
gm1
gm2
+
-
+
-
LF1
LF2
LF3
-20
-15
-10
-5
0
5
0.1
1
Frequency [kHz]
C1=15nF
C1=22nF
C1=33nF
C1=47nF
C1=68nF
G
C2 = 47nF, C3 = 22nF
C2=100nF
C2=68nF
C2=47nF
C2=33nF
C
2
G
0.1
1
Fr
C1 = 33nF, C
-20
-15
-10
-5
0
5
G
C3=47nF
C3=10nF
C3=15nF
C3=33nF
C3=22nF
0.1
1
Frequency [kHz]
C1 = 33nF, C2 = 47nF
-20
-15
-10
-5
0
5
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| NJW1137 | AUDIO PROCESSOR with SOUND ENHANCEMENT |
| NJW1137L | AUDIO PROCESSOR with SOUND ENHANCEMENT |
| NJW1137M | AUDIO PROCESSOR with SOUND ENHANCEMENT |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NJW1137 | 制造商:NJRC 制造商全稱:New Japan Radio 功能描述:AUDIO PROCESSOR with SOUND ENHANCEMENT |
| NJW1137L | 制造商:NJRC 制造商全稱:New Japan Radio 功能描述:AUDIO PROCESSOR with SOUND ENHANCEMENT |
| NJW1137M | 功能描述:音頻 DSP BBE w/ Enhancement 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 |
| NJW1137MPTE1 | 制造商:Panasonic Industrial Company 功能描述:IC |
| NJW1137M-TE1 | 功能描述:音頻 DSP BBE w/ Enhancement 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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