參數資料
型號: HA12175
廠商: Hitachi,Ltd.
英文描述: Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)
中文描述: 音頻信號處理器(杜比B / C型與鉛放大器為汽車甲板上午和卡座)
文件頁數: 19/66頁
文件大?。?/td> 1116K
代理商: HA12175
HA12173 Series
Rev.1, Nov. 1992, page 19 of 66
R35
5.1 k
EQ OUT
EQ
OUT-M
EQ
AMP.
NFI
+
RIN
V
FIN
R39
180
R38
330 k
C25
0.01
μ
R37
18 k
R36
12 k
No
Do
R
μ
+
4.7
0.015
μ
22 k
VR1
0.1
μ
+
TAI
RAI
PBOUT
INPUT AMP.
+
NR
circuit
RECOUT
No : Normal speed
Do : Double speed
Please ajust RECOUT level to
be Dolby level with volume of
VR 1.
*
REF
Unit R:
C: F
Figure 7 Application Circuit for Double Speed
60
50
40
30
20
10
20
100
1 k
Frequency (Hz)
10 k
100 k
*
G
120
70
R = 2.7 k
R = 2.2 k
R = 1.8 k
R = 1.3 k
μ
μ
Normal speed
Double speed
OUTPUT = TAIpin
V
Figure 8 Application data
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相關代理商/技術參數
參數描述
HA12177 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)
HA12179F 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processer for Car Deck and Cassette Deck(Dolby B-type NR with PB Amp)
HA12181FP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:AM Radio Noise Reduction System
HA12187 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Bus Interface Driver/Receiver IC
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