參數(shù)資料
型號: AN6448NFBP
廠商: PANASONIC CORP
元件分類: 無繩電話/電話
英文描述: CAP 120PF 50V CERAMIC MONO 5%
中文描述: TELEPHONE SPEECH CKT, PQFP64
封裝: 14 X 14 MM, PLASTIC, QFP-64
文件頁數(shù): 11/11頁
文件大?。?/td> 156K
代理商: AN6448NFBP
I
Application Circuit
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
R
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
33
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
10dB
0/12
dB
20
dB
18
dB
18
dB
COMP
+
0dB
0dB
0dB
0dB
0dB
0dB
0dB
0dB
0dB
0dB
Vref
VOX
Det.
I
N
J
ALC
Det
ALC
P.O.R
Vref
A P
Line
A P
A P
DM
DC
D
a1
a2
a3
a4
a5
a6
+
+
+
+
+
20
dB
R
R
D
V
D
V
T
A
R
R
P
R
R
A
P
E
A
D
L
0
μ
F
0
μ
F
0
μ
F
2
μ
F
0
μ
F
0
μ
F
C
5
0
μ
F
1
1
C
C
C
2
μ
F
R
R
1
1
1
1
5
R
C
C
C
R
R
R
4
R
C
1
J
C
R
R
VOX IN
JP2
LINK R– OUT
ALC IN
LINK SP– IN
REC OUT
EQ. OUT
C
2
μ
F
0
μ
F
100
μ
F
C28
P/R. V
REF
P/R. GND
MIX. IN
AUX. IN
C33
DH. IN
RF1. IN
(R36 to 38 : for level adjustment)
RF2. IN
AUX. OUT
MIX. OUT
0.068
μ
F
0.068
μ
F
C34
0.068
μ
F
R33
R35
R38
10k
10k
C30
C32
0.068
μ
F
C35
R37
0.068
μ
F
C36
10
μ
F
100
μ
F
PRC
R38
C39
100
μ
F
47
μ
F
100
μ
F
R4
2.7k
R5
121k
J1
JP1
C1
0.022
μ
F
R3 4.7k
Side-tone circuit
+
820k
C37
C38
R15
R33
C39
R40
V
L
V
CC
V
REG
VLC
PD2
PD1
GND
G
V
L
R
2
μ
F
C
0
μ
F
C
1
μ
F
C
2
μ
F
0
μ
F
0
μ
F
0
μ
F
0
μ
F
0.068
μ
F
C12
0.068
μ
F
MIC
10k
0.001
μ
F
0.1
μ
F
C11
C8
R7 47k
R
C
C
C
1
R
C
R
S
V
L
.
V
V
H
A
T
R
R
R
R
1
2
R
R
C
C14
μ
F
C15
R13
CPC
HCC
STR
CLK
DATA
LOGIC. GND
LOGIC. V
CC
100
μ
F
VOX. OUT
SP. OUT
C16
NC
NC
SW2
Open
V
REG
M
M
MIC. IN (–)
MIC. IN (+)
DY0.068
BT. IN
DM. CONT
DC. CONT
R
P
2
R
2
R
C
R
R
C
R
1
3
1
1
μ
F
+
+
+
J3
120k
R43
SP
SP
L
T
Latch
P
H
Decoder
MIC
LIN
DH
D
R
R
RF1
RF2
MIX
AUX
To test the circuit, short R41 and
resistor for a head.
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