參數(shù)資料
型號: HA12179F
廠商: 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: 音頻信號加工者為汽車甲板和卡座(杜比B型鉛放大器星期日)
文件頁數(shù): 4/40頁
文件大?。?/td> 259K
代理商: HA12179F
HA12179F
Rev.1, Apr. 1994, page 4 of 40
Pin Discription
(V
CC
= 9 V Single supply, Ta = 25°C, No signal, The value in the table
show typical value.)
Pin No.
Terminal
name
Zin
DC
voltage Equivalent circuit
Description
2
TAI
100 k
V
CC
/2
Tape input
41
V
CC
/2
5
MUI
Mute circuit input
38
25
MSI
Music sensor
rectifier input
10
NR DET
2.5 V
Time constant
pin for rectifier
33
3
BIAS
0.28 V
GND
Reference
current input
24
MS DET
V
CC
GND
Time constant
pin for rectifier
40
RIP
V
CC
/2
Ripple filter
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