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參數(shù)資料
| 型號(hào)： | HA12212F |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.) |
| 中文描述： | 音頻信號(hào)處理器。為汽車甲板（只解碼杜比B型鉛放大器星期日） |
| 文件頁(yè)數(shù)： | 13/89頁(yè) |
| 文件大?。?/td> | 517K |
| 代理商： | HA12212F |
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HA12192F/HA12197F/HA12212F Series
Rev.5, Jun. 1999, page 13 of 89
The Sensitivity Adjustment of Music Sensor
Adjusting MS Amp. gain by external resistor, the sensitivity of music sensor can set up.
The music sensor block diagram is shown in figure 4, and frequency response is shown in figure 5.
Input Amp.
Micro
computer
25kHz
Note: Input impedance of MSI is 100 k
typical.
+
DIN(R)
DIN(L)
+
+
LPF
MA
OUT
MS Amp.
ATT
DET
MSI
MS
DET
90k
MSOUT
GND
R11
330k
C8
0.01
μ
F
C6
0.33
μ
F
V
CC
D V
CC
R
L
MSG
V
+
6dB
Input Amp.
+
CEX2
1
μ
F
REX2
2.7k
REX1
24k
CEX1
0.01
μ
F
SER/REP
REP
mode
SER
mode
I
L
Figure 4 Music Sensor Block Diagram
f
3
f
4
f
2
f
1
Repeat mode
Search mode (FF or REW)
G
V2
G
V1
10
100
1k
10k
25k
100k
f [Hz]
G
V
[dB]
Figure 5 Frequency Response
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PDF描述 |
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| HA12193F | Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.) |
| HA12194F | Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.) |
| HA12197F | Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.) |
| HA12198F | Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.) |
| HA12199F | Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA12215 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System) |
| HA12215F | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System) |
| HA12216F | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck(Decode only Dolby B type NR with PB Amp.) |
| HA12216F/HA12221FSERIES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HA12217F | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck(Decode only Dolby B type NR with PB Amp.) |
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