參數(shù)資料
型號(hào): HA12179F
廠(chǎng)商: Hitachi,Ltd.
英文描述: Audio Signal Processer for Car Deck and Cassette Deck(Dolby B-type NR with PB Amp)
中文描述: 音頻信號(hào)加工者為汽車(chē)甲板和卡座(杜比B型鉛放大器星期日)
文件頁(yè)數(shù): 17/40頁(yè)
文件大?。?/td> 259K
代理商: HA12179F
HA12179F
Rev.1, Apr. 1994, page 17 of 40
PB Equalizer for Double Speed
PB equalizer can be design for double speed by using external components shown in figure 8. Application
data is shown in figure 9.
R35
5.1k
4.7
μ
No
Do
R
0.015
μ
22k
VR1
0.1
μ
+
+
+
EQ OUT
TAI
PBOUT
R38
330k
R36
12k
R37
18k
C25
0.01
μ
EQ OUT-M
EQ AMP.
NFI
RIN
VREF
FIN
INPUT AMP.
NR circuit
RECOUT
No : Normal speed
Do : Double speed
Note : Please adjust RECOUT level to
be Dolby level with volume of
VR1.
+
Figure 8 Application Circuit for Double Speed
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