參數(shù)資料
型號: AN1500A
廠商: SAMES
英文描述: SINGLE CHIP TELEPHONE DEMO BOARD
中文描述: 單芯片電話演示板
文件頁數(shù): 23/27頁
文件大?。?/td> 623K
代理商: AN1500A
AN1500A
23/26
sa mes
22 Board Schematic
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
A
B
C
D
A
B
C
D
Q
B
Q
B
VR1
VDR
W
LC
C
LA
Z1
LINE
JMP
8
6
4
2
7
5
3
1
H
G
F
E
D
C
B
A
J1
3
1
2
4
ON
OFF
SW1_a
1
3
4
2
IC2
BRIDGE
2
1
Z3
Ringer
7
ON
5
OFF
6
8
SW1_b
Q4
BC 547B
Q2
JUMPER
4
3
2
1
D
C
B
A
J3
JUMPER
4
3
2
1
D
C
B
A
J2
Q
M
Q
M
Q3
Q
2
Q
B
D4
24V
D6
10V
D
1
D11
5V6
D
1
D
1
LED2
TONE
X1
3.58 MHz
S17
LNR
S16
R2
S15
R1
S14
PAUSE
S13
#
S12
*
S11
0
S10
9
S9
8
S8
7
S7
6
S6
5
S5
4
S4
3
S3
2
S2
1
S1
MUTE
+
C8
10u/25V
+
C
1
+
C9
470u/16V
+
C6
10u/36V
+
C14
100u/25V
+
C16
100U/6V
D10
D
1
L
F2
F1
M2
M1
Z2
HANDSET
C2
10N
C12
X
C10
22p
C15
X
C
1
C
6
C
1
R22
X
R10
10K
R4
220K
R
3
R14
7K5
R12
300
R17
100K
R15
330K
R
1
R
2
R
5
R
3
R
5
R
2
R
1
R9
1M
R
2
R21
1K1
R
1
R
X
C
1
R23
1K1
R
1
R10C
10K
R10B
100K
R10A
10K
R
1
R
1
R
2
R
3
S
MODE_OUT
LS
LLC
MODE
MO
HS/DP
CS
CI
STB
RI
FCI
LI
D
D
V
S
S
V
OSC
R4
R3
R2
R1
C4
C3
C2
C1
RO2
AGND
RO1
M2
M1
IC1
a
b
a
b
a
b
c
c
c
c
b
a
23
24
3
2
5
12
16
15
14
13
20
19
18
17
11
26
4
9
22
8
10
7
25
6
28
27
1
21
3
5
4
2
4
3
2
1
*
0
#
R2
R1
9
8
7
PAUSE
6
5
4
LNR
MUTE
3
2
1
Keypad Layout
2. MOSFET
3. Single PNP
1. MOSFET with current limit
Line Transistor Options
R13
1K8
C4
15nF
C7
10nF
SAMES Telecom
Sch.
Pn#
3rd March 1997
Date :
of
Single Chip Telephone Application Circuit
Rev : B
Sh
SA2532KA/B
01
01
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