NJW1128 Ver la hoja de datos (PDF) - Japan Radio Corporation
Número de pieza
componentes Descripción
Fabricante
NJW1128 Datasheet PDF : 13 Pages
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! APPLICATION CIRCUIT
NJW1128
H:Active
L: PowerDown
H:MUTE
L:ACTIVE
H:ACTIVE
L:PowerDown
C7
220n
SW 1
V+
C2
1u
R1
300k
SW2
V+
C3
1u
R2
300k
SW3
V+
C4
1u
R3
300k
C6
C5
220n 1u
48 47 46 45 44
TLO2 CPT SPSW MUT CD
1 RLO2
Rx-Mode :H
Tx-Mode :L
Idle
:HI-Z
M ON
V+
R24 LED1
TR1 2.2k
C30
R23
51k
1u
H:Recive
L:Trensmit
O:Auto
V+
Open V+
C29
C28
C1
1u
SW 4
1u
1u
C27
220n
43 42
GND V+
41 40 39 38 37
MON RTSW VREF CPR RLO1
TLO1 36
C26
220n
2
V+
R4
C9
C8
1u
3
MIC IN
MIC OUT
+
C11
R5
4
C10 R6
R7
100n 5.1k
0
5
R8
C12
51k
100p
6
*R7 : Jumper
C13
100n
R9
5.1k
7
*R11 : Jumper
R10
510
8
C14
1u
TX OUT
LINE IN
Line Out－
9
R11
C15 R12
0
100n 5.1k
10
R13
C16
5.1k
1n
11
*R14
Line Out＋
12
*R14 : Dummy Load
NC
CT
NC
M CI
MCO NJW1128
TLI2
TLI1
TXO
LII
LIO-
LIO+
NC V+
V+ SPO+ SPO+ GND GND SPO- SPO- V+ V+
13 14 15 16 17 18 19 20 21 22 23
NC 35
VLC 34
3
NC 33
FI 32
C23
100p
FO 31
R19
5.1k
RLI1 30
R18
510
RLI2 29
RXO 28
SPI 27
R15
5.1k
NC 26
VR1
100k
1
C24
2
R21
0
R20
51k
C22
100n
*R21 : Jumper
R22 C25
5.1k 100n
Receive
In
FO
C21
1u
*R17 : Jumper
R16 C20
5.1k 100n
* R 17
0
C19
1n
RX
OUT
SP IN
NC 25
NC
24
C17 +
10u
+ C18
10u
V+
SP Out+
SP Out－
–5–
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