TDA7338 Просмотр технического описания (PDF) - STMicroelectronics

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TDA7338

STEREO DECODER

STMicroelectronics 

Figure 10. Application Diagram

TDA7338

SIGNAL

STRENGTH

VR

PILOT_IND

MONO

68K 1)

15

47K

47K 1)

16

47K

17

18

19

100K

68K

470nF

33K

10K

MPX

20

4)

680pF

7

VCO_OFF

(FM ENABLE)

100K

100K

12

330pF

456KHz

1) has to be adapted to the signal strength

2) for deemphasis = 50µs

3) not absolutely necessary

4) roll off: to be adjusted to the tuner part

14

13

12

11

TDA7338

6

9

10

4

5

3

10µF

VS 9V

100nF

1nF 2)

1nF 2)

47K

47K

47nF

IN R

56pF 3)

OUT

LEVEL

(SIGNAL STRENGTH)

IN L

56pF 3)

OUT

10K

10K

MUTE

D95AU371A

9/12

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