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KA2425 Просмотр технического описания (PDF) - Samsung
Номер в каталоге
Компоненты Описание
производитель
KA2425
SPEECH NETWORK WITH DIALER INTERFACE
Samsung
KA2425 Datasheet PDF : 6 Pages
1
2
3
4
5
6
KA2425A
TEST CIRCUIT
V+
SPEECH NETWORK WITH DIALER INTERFACE
14
13
12
22K
16
KA2425A
V
IN
400mVrms
18
17
10
1.0V
+
20
µ
F
204
I
LOOP
Fig 2. DTMF Driver Test
V+
10K
20mVrms
1KHz
150K
8.2K
4
503
7
33K
8
2
KA2425A
6
14
15
17
150
Ω
3
11
12
10
18
13
Vs
Microphone Equivalent
+
20
µ
F
I
LOOP
203
600
Ω
47
Ω
10
204 150
Ω
503
Fig 3. Transmit and sidetone level test
150K
V+
503
8.2K
33K
4
7
8
3
11
2
KA2425A
6
12
10
10
14
15
17
18
13
20
µ
F
20mVrms
1KHz
+
203
Vs
I
LOOP
47
Ω
150
Ω
503
204
Fig 4. AC Impedance, Receive and Sidetone Rejection Test
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