參數(shù)資料
型號: AN7374K
廠商: PANASONIC CORP
元件分類: 噪聲抑制
英文描述: Dolby B/C Type Noise Reduction IC
中文描述: B AND C Type, DOLBY NOISE REDUCTION IC, PDIP28
封裝: 0.400 INCH, SHRINK, PLASTIC, DIP-28
文件頁數(shù): 5/8頁
文件大?。?/td> 100K
代理商: AN7374K
ICs for Cassette, Cassette Deck
AN7374K, AN7376S
C
– 20
– 40
– 60
– 80
– 100
100
200
500
1k
2k
C type
B type
10k
20k
Frequency (Hz)
Crosstalk
PB Mode to Rec. Mode
V
CC
= 12V 30kHz LPF
NR OFF
5k
C
– 20
– 40
– 60
– 80
– 100
100
200
500
1k
2k
10k
20k
Frequency (Hz)
Crosstalk
Rec. Mode to PB Mode
V
CC
= 12V 30kHz LPF
5k
C type
B type
NR OFF
C
– 20
– 40
– 60
– 80
– 100
100
200
500
1k
2k
C type
B type
10k
20k
Frequency (Hz)
Crosstalk
Rec. Mode ch to ch
V
CC
= 12V 30kHz LPF
NR OFF
5k
C
– 20
– 40
– 60
– 80
– 100
100
200
500
1k
2k
10k
20k
Frequency (Hz)
Crosstalk
PB Mode ch to ch
V
CC
= 12V 30kHz LPF
5k
C type
B type
NR OFF
100
90
80
70
60
50
7
8
9
V
CC
– Supply voltage (V)
10
11
12
13
14
15
S
CCIR/ARM R
g
= 5.1k
S/N
T
30
28
26
24
22
20
18
16100
200
500
1k
2k
5k
10k
20k
Frequency (Hz)
Total Gain
PB IN to PB OUT (mode : PB, OFF)
PB IN to Rec. OUT (mode : PB, OFF)
Rec. IN to PB OUT (mode : Rec., OFF)
Rec. IN to Rec. OUT (mode : Rec., OFF)
PB · B
PB · C
20
18
16
14
12
10
8
6
4
2
0
7
8
9
V
CC
– Supply voltage (V)
10
11
12
13
14
15
C
Mode : Rec., PBd, PB
m
NR control voltage threshold
Rec. (MPX ON)
PB
m
(MPX ON)
PBd (direct)
20
18
16
14
12
10
8
6
4
2
0
7
8
9
V
CC
– Supply voltage (V)
10
11
12
13
14
15
C
Mode : NR OFF, B, C
NR control voltage threshold
B type
NR OFF
C type
PB · OFF
Rec. · B
Rec. · OFF
Rec. · C
V
CC
=
±
6V
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