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KA2425 Scheda tecnica(PDF) 5 Page - Samsung semiconductor

Il numero della parte KA2425
Spiegazioni elettronici  SPEECH NETWORK WITH DIALER INTERFACE
PDF  6 Pages
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Produttore elettronici  SAMSUNG [Samsung semiconductor]
Homepage  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

KA2425 Scheda tecnica(HTML) 5 Page - Samsung semiconductor

  KA2425 Datasheet HTML 1Page - Samsung semiconductor KA2425 Datasheet HTML 2Page - Samsung semiconductor KA2425 Datasheet HTML 3Page - Samsung semiconductor KA2425 Datasheet HTML 4Page - Samsung semiconductor KA2425 Datasheet HTML 5Page - Samsung semiconductor KA2425 Datasheet HTML 6Page - Samsung semiconductor  
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KA2425A
SPEECH NETWORK WITH DIALER INTERFACE
TEST
CIRCUIT
Fig 2. DTMF
Driver
Test
Fig 3. Transmit and sidetone level test
Fig 4. AC
Impedance, Receive and Sidetone Rejection Test
16
14
13
12
18
17
10
KA2425A
V+
22K
V
IN
400mVrms
1.0V
204
20
µF
+
I
LOOP
2
4
7
8
14
15
17
KA2425A
150
Ω
20
µF
6
3
11
18
13
12
10
+
V+
150K
8.2K
503
33K
10K
20mVrms
1KHz
Vs
Microphone Equivalent
I
LOOP
600
Ω
203
47
Ω
10
204
150
Ω 503
2
4
7
8
14
15
17
KA2425A
6
3
11
18
13
12
10
V+
150K
8.2K
503
33K
47
Ω
10
204
150
Ω 503
+
20
µF
I
LOOP
203
20mVrms
1KHz
Vs



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