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參數(shù)資料
| 型號： | NJW1191V |
| 廠商： | New Japan Radio Co., Ltd. |
| 英文描述： | 4-channel Electronic Volume with Input Selector |
| 中文描述： | 4通道電子音量的輸入選擇 |
| 文件頁數(shù)： | 6/20頁 |
| 文件大?。?/td> | 268K |
| 代理商： | NJW1191V |
NJW1191
– 6 –
!
APPLICATION NOTES
< Loudness fc adjustment >
Loudness High and Low Boost cut off frequencies are able to adjust with the external parts as shown in fig.A.
They are given by the functions below.
< Tone fc adjustment >
Tone High and Low cut off frequencies are able to adjust with the external parts as shown in fig.B. They are given
by the functions below. .
High Boost cut off frequency: f
cH
=
e1
e1
C
R
2
1
π
(Hz)
Low Boost cut off frequency: f
cL
=
e2
e2
C
R
2
1
π
(Hz)
fig. A Loudness circuit
(C6, C21)
(R1, R8)
(R2, R7)
C
e2
(C7, C20)
TAP1
(7, 26pin)
TAP2
(8, 25pin)
MASTER VOLUME
& LOUDNESS
R
e1
R
e2
C
e1
<NOTE>
R
e2
should be fixed to 4.7k
for the precise level of volume in
Loudness mode.
fig. B Tone circuit
(Boost)
(Cut)
Treble cut off frequency: f
cT
=
e3
3B
C
R
2
π
1
(Hz)
(R
3B
=5.5k
at 14dB set)
Bass cut off frequency: f
cBL
=
e4
e3
4B
4A
e3
R
4B
R
+
C
R
(
2
)
R
)
(R
+
π
(Hz)
DC cut off frequency: f
cDC
=
e5
e3
4B
C
R
R
(
2
+
)
1
π
(Hz)
(R
4B
=3.3k
at 14dB set)
R
3B
C
e3
C
e4
C
e5
(C10, C17)
R
e3
(C8, C19)
(C9, C18)
(R3, R6)
THC
(9, 24pin)
TLC
(10, 23pin)
DCC
(11, 22pin)
(R
3A
+R
3B
= 33k
)
R
3A
R
4A
R
4B
(R
4A
+R
4B
= 33k
)
C
e3
C
e4
C
e5
(C10, C17)
R
e3
(C8, C19)
(C9, C18)
(R3, R6)
THC
(9, 24pin)
TLC
(10, 23pin)
DCC
(11, 22pin)
R
3B
R
3A
(R
3A
+R
3B
= 33k
)
R
4A
R
4B
(R
4A
+R
4B
= 33k
)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| NJW1191V(TE1) | 制造商:New Japan Radio Co Ltd (NJR/JRC) 功能描述:Cut Tape 制造商:New Japan Radio 功能描述:Electronic Volume 32-Pin SSOP T/R |
| NJW1191V-TE1 | 功能描述:音頻放大器 4-Channel Electronic Volume for Car Audio RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| NJW1191V-TE2 | 功能描述:音頻放大器 4-Channel Electronic Volume for Car Audio RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| NJW1192 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:電子音量IC |
| NJW1192V | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-channel Electronic Volume with Input Selector |
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