參數(shù)資料
型號: KA9270D
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: AUDIO FILTER INTRODUCTION
中文描述: 音頻過濾器簡介
文件頁數(shù): 6/7頁
文件大?。?/td> 274K
代理商: KA9270D
KA9270
AUDIO FILTER
APPLICATION CIRCUIT
Fig. 7
20
19
18
17
16
15
14
1
3
12
11
1
2
3
4
5
6
7
8
9
10
+
+
+
-
+
-
+
-
+
-
+
MUTE
SW
DE-EM
SW
-
+
-
+
+
+
CH2
OUTPUT
3.3
§T
Vcc
R
L
10K
330p
5.6K
1/2 Vcc
C9
5.6K
4.7
¥ì
1M
120uP
12K R9
27K
27K
4.7
¥ì
C8
CH2-INPUT
(from DAC
OUTPUT)
BUFFER2
BUFFER1
CH1-INPUT
(from DAC
OUTPUT)
DE-AMP2
DE-AMP1
Vcc
LPF1
LPF2
CH1
OUTPUT
(Vo)
R
L
10K
C5
3.3
¥ì
330p
5.6K
R1
1500p
MUTE
CONTROL
SIGNAL
(MUTE)
DE-EMPHASIS
CONTROL
SIGNAL
(DE-EM)
5.6K
27K
27K
12K
1M
1200p
C7
4.7
¥ì
C10
R12
1500p
R11
+
10
¥ì
C8
C7
5.6K
R10
R8
R7
C4
R2
C3
+
10u
R3
R4
R6
C2
-
+
相關(guān)PDF資料
PDF描述
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