NE5900 データシートの表示（PDF） - Philips Electronics

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NE5900

Call progress decoder

Philips Electronics 

Philips Semiconductors

Call progress decoder

Product specification

NE5900

10nF

10nF

470kΩ

1

2

OPTIONAL

CAPACITIVE

INPUT

TO EAR-PIECE

3.58MHz IN

470kΩ

1

16

2

15

3

14

4

13

NE5900

5

12

6

11

7

10

8

9

Figure 4. Typical Application

IN1

C1

R1

10nF 100kΩ

IN2

C2

R2

10nF 100kΩ

+

AV

–

R4

100kΩ

R3

100kΩ

R5

470kΩ

R6

10MΩ

3.58MHz

1

16

2

15

3

14

4

13

NE5900

5

12

6

11

7

10

8

9

C3

1µF

Figure 5. Typical Two-Wire Application

5V

ENVELOPE

BIT 1

BIT 2

BIT 3

INTERRUPT

START

CLEAR

SR01145

5V

ENABLE

ENVELOPE

DECODED

OUTPUTS TO

PROCESSOR

INTERRUPT

START

CLEAR

SR01146

1986 May 8

5

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