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): 6/40頁
文件大小: 259K
代理商: HA12179F
HA12179F
Rev.1, Apr. 1994, page 6 of 40
Pin Discription
(V
CC
= 9 V Single supply, Ta = 25°C, No signal, The value in the table
show typical value.) (cont)
Pin No.
Terminal
name
Zin
DC
voltage Equivalent circuit
Description
21
MS OUT
MS V
CC
D GND
Music sensor
output to MPU
22
V
CC
MS V
CC
D GND
V
CC
Power supply
23
20
0.0 V
Digital (Logic)
ground
27
MS GND
Music sensor
ground
49
GND
Ground
50
48
FIN
V
CC
/2
PB-EQ input for
51
forward
46
RIN
PB-EQ input for
53
reverse
45
NFI
Negative
54
feedback
terminal of PB-
EQ amp.
28
NOI
Negative
feedback input
for normal speed
29
FFI
Negative
feedback input
for FF or REW
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