參數(shù)資料
型號(hào): HA12203
廠商: Hitachi,Ltd.
英文描述: Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)
中文描述: 音頻信號(hào)處理器卡座(杜比B型錄音系統(tǒng)星期日)
文件頁數(shù): 12/97頁
文件大?。?/td> 687K
代理商: HA12203
HA12203NT/HA12204NT
Rev.3, Jun. 1999, page 12 of 97
The Sensitivity Adjustment of Music Sensor
Adjusting MS Amp gain by external resistor, the sensitivity of music sensor can set up.
PB (R)
PB (L)
MAI
6dB
8.2k
25kHz
REP
LPF
+
100k
50k
V
CC
D V
CC
C17
1000p
R18
330k
C16
0.33
μ
R
L
MA
OUT
MSIN
MS OUT
MS
DET
MS AMP
+
DET
GND
GND
Microcomputer
Figure 4 Music Sensor Block Diagram
The Sensitivity of Music Sensor
Gv
f1 =
f2 = 25k [Hz]
[Hz]
1
2
π
C17
50k
f1
f2
f
Figure 5 Frequency Characteristic of MSIN
Occasion of the external component of figure 4, f1 is 3.18 kHz.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA12203NT 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)
HA12203NT/HA12204NT 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
HA12204NT 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)
HA12206 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck
HA12206NT 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck