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參數資料
| 型號： | L3913 |
| 文件頁數： | 3/14頁 |
| 文件大小： | 199K |
| 代理商： | L3913 |
PINFUNCTIONS
N
°
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
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25
26
27
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30
31
32
33
34
35
36
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38
39
40
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42
43
44
Name
C4
C3
FLASH
DC/FV
OL
RESET
EA
IEA
AL
V
RAM
V
CC
V
E
LS
VEA
HP2
GND
HP1
EFF
I
REF
SELF
RGAB
M1
M2
ZAC
EM/FILT
MOD
EM/MF
ACL
E2
E1
ZALC
REC
ZALL
OUT1
OUT2
VIR
CK
PAIR
BEAT
MF
C1
C2
C6
C5
Description
Keyboards inputs
Keyboard inputs
Flashing selection (80or 265ms)
Dialling selection (33/66 pulse, 40/60 pulse or DTMF)
Open line output
Output reset in normal case, input reset in test mode
Loudhearing ON/OFF
Antidistortion time constant adjustment in loudhearing
Antilarsen time constant adjustment in loudhearing
RAM and internal logic supply
Power supply for peripherals
Line voltage
Loudhearing input
Loudhearing supply
Loudspeaker output
Ground
Loudspeaker output
line lenght AGC adjustment
Bias adjustment
Electronic self input
DC characteristic slope adjustment
Microphone input
Microphone input
Dynamic impedance adjustment
First sending stage output
Modulator output
NSecond sending stage input and DTMF input
Anticlipping time constant adjustment
Receiver output
Receiver output
Short line sidetonenetwork
Receiver input
Long line sidetone network
Buzzer output
Buzzer output
Ringing supply
Ceramic input (455KHz)
Ajustment between 2 pairs of ringing frequencies
Beat ajustment of each pair
DTMF output
Keyboard inputs
Keyboard Inputs
Keyboard inputs
Keyboard inputs
L3913
3/14
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