TEA6823T 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

生产厂家

TEA6823T

In Car Entertainment (ICE) car radio

Philips Electronics 

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10.7 MHz

TOKO

7PSAG-1946D = S

TR5

VCC1

1 kΩ

SFP450

1.5 nF

Vref

TOKO

P392BC-1977Z

FMSTOP

100 kΩ

R39

100

nF

LEVELADJ

L13

100 kΩ

R40

62 pF

100 nF 82 kΩ 4.3 kΩ

Vref

RDS

33 kΩ

AMSTOP

68 µF

100 kΩ

R51

33 kΩ

22 23

33 34 42

36

38

1

2 39

43

10 nF

220 kΩ

3.3 nF

68 pF

220 nF

82 kΩ

100 kΩ

R41

48 47

45

220 nF

27 kΩ

22 nF

25

SFE10.7

37

100 nF 330 Ω

35

27

10.7 MHz

22 nF

24

AM

÷2/÷6

100 nF

28

IF-

AMPLIFIER

10.7 MHz

29

19

10.7 MHz

20

ZS369SCS-2144AJ TR3

13

72.2 MHz

56

FM

pF 14

10 nF

61.5 MHz

8

PHILIPS

9

9922 521 00098

or Daiwa AT-49

10

OSCILLATOR

fref

REFERENCE

11 FREQUENCY

6

SDA

7

SCL

10 kΩ

10 kΩ

VDDD

+5 V

10 kΩ

10 kΩ

AM/FM

SWITCH

FM-LIMITER

AM-AMPLIFIER

LEVEL

DETECTOR

÷N5

LEVEL

AMPLIFIER

20 kHz

BUFFER

ADC

LEVEL

ADC

MULTI-

PATH

AM

DELOG

AMPLIFIER

HIGH

PASS

60 kHz

AVERAGE

DETECTOR

PEAK

DETECTOR

AVERAGE

DETECTOR

AFC

MPX

BUFFER

TEA6823T

TEA6825T

SOFT

MUTE

LOW

PASS

FILTER

PHASE

DETECTOR

VCO

DIGITAL

PHASE

DETECTOR

LOGIC

BLOCK

PILOT

CANCELLER

PILOT

DETECTOR

fref

19 kHz 38 kHz

26

tuning

mute

MPX-

DECODER

AND

MATRIX

31

radio mute

44

Vint1

30

41

mono

radio mute

32

820 kΩ

100 nF

6.8 nF

OUTRIGHT

470 nF

OUTLEFT

6.8 nF

IF

COUNTER

PEAK

DETECTOR

CURRENT

SWITCH

AM

HIGH

PASS

FILTER

Vint2

PULSE

FORMER

INTERFERENCE

DETECTOR

Vint1

Vint2

56

4

SUPPLY

VCC

22 µH +8.5 V

100

nF

+8.5 V

47 µF

470 nF

I2C-BUS

54

53

330 Ω 330 Ω

SCL

SDA

TEMP

COMPEN-

SATION

THRESHOLD

CONTROL

MODULATION

DETECTOR

55 40

50

220 nF

level

3

46

16

RC

220 nF

100

nF

VCC

8.5 V

49 15

3.3 MΩ

2.2 MΩ

100

nF

100 nF

NOISE

DETECTOR

17 18

51

1 MΩ

12

5

21

12 kΩ

52

33 µF

120 kΩ

VCCA

+5 V

100

nF

47 µF

1.2 MΩ

100 nF

33 kΩ

10 Ω

Vref VDDD

+5 V

MGK693

Fig.1 Block diagram.

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