參數(shù)資料
型號(hào): NJW1167
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(yè)數(shù): 13/25頁(yè)
文件大小: 249K
代理商: NJW1167
NJW1167/A
-13-
I
LPF Characteristics
The
NJW1167
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>
-20
-15
-10
-5
0
5
0.1
1
Frequency [kHz]
C1=68nF
C1=47nF
C1=33nF
C1=22nF
C1=15nF
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
R1
24k
GmAmp2
Buffer2
GmAmp3
Buffer3
LF2
C2
Primary LPF
Secondary LPF
LF3
C3
LF1
C1
LPF Block Diagram
相關(guān)PDF資料
PDF描述
NJW1167V AUDIO PROCESSOR with Subwoofer Output
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NJW1168L AUDIO PROCESSOR with Input Selector and Subwoofer Output
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NJW1167AL 功能描述:處理器 - 專門應(yīng)用 EALA Audio Processor w/Subwoofer Output RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
NJW1167FJ2 功能描述:處理器 - 專門應(yīng)用 EALA Audio Processor w/Subwoofer Output RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
NJW1167V 制造商:NJRC 制造商全稱:New Japan Radio 功能描述:AUDIO PROCESSOR with Subwoofer Output
NJW1167V-TE2 功能描述:處理器 - 專門應(yīng)用 EALA Audio Processor w/Subwoofer Output RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
NJW1168 制造商:NJRC 制造商全稱:New Japan Radio 功能描述:AUDIO PROCESSOR with Input Selector and Subwoofer Output