NE5532缓冲电路_调音板_数字音量控制电路图
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1
2
3
4
5
6
7
8
C1
R1
R2
R3
R4
A
1K
1K
22K
7.5K
A
1uF
P1 +15V 1 2 3
POWER-15V
4
P3 GND
L
1
LIN
R8
47K
P4 1
R12 C7
1K
220pF
R6 100K
U1A 2
1 3
NE5532
RP1A 50K
RP2A
C2
Leabharlann Baidu50K
1000pF
C4
C5
222
223
RP3A C3 50K 104
+5V
S2 3 2
1
VCC5
R27 0
D
D
Title
Size: A3
Number:
Revision:
Date: 2012/6/11
Time: 11:26:52 Sheet of
File: E:\Altium Designer\Audio Amplifier\Buffer.SchDoc
Altium Limited 3 Minna Close Belrose NSW 2085 Australia
R7 10K
U2A 3
2
NE5532
R5 1K 1
R9
R10
R11
C6
1K
22K
7.5K
10pF
R13
R14
R15
R16
RP4A 50K
RP4B 50K
S1
LOUT
OUT_L
ROUT
OUT_R SW-2WAY
1 J1 2 5 3 4
PHONE JACK
P2 1 2 3
AUDIO OUT
2
1K
1K
22K
VA-
VA-
VA+
VA+
AOUT3 AOUT4
AGND3 AGND4
AIN3
AIN4
AGND3 AGND4
VD+
DGND
SDI
SDO
CS
SCLK
28 27 26 25 24 23 22 21 20 19 18 17 16 15
-5V +5V
C17 0.1uF
J3 OUTPUT
Header 8
PGA4311
1
2
3
4
5
6
7
8
P7 VCC5 1 2
HEADER2_L
C15 0.1uF
C18 1uF
1
2
OUT_L 3
4
LOUT 5
C16
-5V 6
+5V 7
ROUT 8
0.1uF
9
OUT_R 10
11
12
13
C19
14
0.1uF
MUTE ZCEN
AGND1 AGND2
AIN1
AIN2
AGND1 AGND2
AOUT1 AOUT2
R21
6
U1B
+15V
47K
7
5
+15V
NE5532
R22
R23
R24
C14
1K
22K
7.5K
10pF
4
PGA4311 R25 1K
-15V
D1 RED
VCC5
R26
4K7
1 J2
2
C
3
C
U3
INPUT
P6
+5V
1
2
3
HEADER-35_VL
P5
8 2 6 5 4 3 7 1
VCC5
ZCEN MUTE SDI CS SCK
7.5K
C8
3
R GND
2
AUDIO PORT
3 HEADER3_L
R19 C11
1K
220pF
R18 100K
+15V
RP1B
50K
C9
RP2B 50K
RP3B C10 50K
5
1000pF
104
6
C12
C13
R20
4
-15V R17 1uF
U2B 1K 7
NE5532
B
8
222
223
10K
B
8
RIN
2
3
4
5
6
7
8
C1
R1
R2
R3
R4
A
1K
1K
22K
7.5K
A
1uF
P1 +15V 1 2 3
POWER-15V
4
P3 GND
L
1
LIN
R8
47K
P4 1
R12 C7
1K
220pF
R6 100K
U1A 2
1 3
NE5532
RP1A 50K
RP2A
C2
Leabharlann Baidu50K
1000pF
C4
C5
222
223
RP3A C3 50K 104
+5V
S2 3 2
1
VCC5
R27 0
D
D
Title
Size: A3
Number:
Revision:
Date: 2012/6/11
Time: 11:26:52 Sheet of
File: E:\Altium Designer\Audio Amplifier\Buffer.SchDoc
Altium Limited 3 Minna Close Belrose NSW 2085 Australia
R7 10K
U2A 3
2
NE5532
R5 1K 1
R9
R10
R11
C6
1K
22K
7.5K
10pF
R13
R14
R15
R16
RP4A 50K
RP4B 50K
S1
LOUT
OUT_L
ROUT
OUT_R SW-2WAY
1 J1 2 5 3 4
PHONE JACK
P2 1 2 3
AUDIO OUT
2
1K
1K
22K
VA-
VA-
VA+
VA+
AOUT3 AOUT4
AGND3 AGND4
AIN3
AIN4
AGND3 AGND4
VD+
DGND
SDI
SDO
CS
SCLK
28 27 26 25 24 23 22 21 20 19 18 17 16 15
-5V +5V
C17 0.1uF
J3 OUTPUT
Header 8
PGA4311
1
2
3
4
5
6
7
8
P7 VCC5 1 2
HEADER2_L
C15 0.1uF
C18 1uF
1
2
OUT_L 3
4
LOUT 5
C16
-5V 6
+5V 7
ROUT 8
0.1uF
9
OUT_R 10
11
12
13
C19
14
0.1uF
MUTE ZCEN
AGND1 AGND2
AIN1
AIN2
AGND1 AGND2
AOUT1 AOUT2
R21
6
U1B
+15V
47K
7
5
+15V
NE5532
R22
R23
R24
C14
1K
22K
7.5K
10pF
4
PGA4311 R25 1K
-15V
D1 RED
VCC5
R26
4K7
1 J2
2
C
3
C
U3
INPUT
P6
+5V
1
2
3
HEADER-35_VL
P5
8 2 6 5 4 3 7 1
VCC5
ZCEN MUTE SDI CS SCK
7.5K
C8
3
R GND
2
AUDIO PORT
3 HEADER3_L
R19 C11
1K
220pF
R18 100K
+15V
RP1B
50K
C9
RP2B 50K
RP3B C10 50K
5
1000pF
104
6
C12
C13
R20
4
-15V R17 1uF
U2B 1K 7
NE5532
B
8
222
223
10K
B
8
RIN