AN7208 데이터 시트보기 (PDF) - Panasonic Corporation

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AN7208

TV/FM front-end IC for 1.5 V headphone stereo

Panasonic Corporation 

AN7208SA

ICs for FM/AM Tuner

s Application Circuit Example

50 Ω

VOSC(TV)

1 000 pF

1 000 pF

100 Ω

2SC3935

4.7 kΩ

3 pF

100 µF

100 µF

0.047 µF

0.047 µF

AN7233SH

0.022 µF

5.1 kΩ

1 µF

0.022 µF

15 V 1 µF

10 kΩ

15 kΩ

0.1 µF 1 kΩ

680 pF

10 kΩ

0.1 µF

330 pF

1 µF

15 ET

IF req. 14

16 AM D IF out 13

17AM AF in GND 12

18 Det. out Quad 11

19 MPX in

20 R-ch.

VCC 10

SD 9

21 L-ch.

ST. 8

22 Band

Mute 7

23 PLL 1 FMIF in 6

24 PLL 2 AMIF in 5

25 VCO AM AGC 4

26 LPF 1

VCC 3

27 LPF 2 AM mix. 2

28 AM OSC AM in 1

X1

220 Ω

51 kΩ

22 µF

S/N

Measurement

330 Ω

Others

CF2

0.01 µF

100 µF

50 Ω

50 Ω

VOSC(FM)

1 000 pF

1 000 pF

100 Ω

2SC3935

4.7 kΩ

5 pF

56 pF 470 kΩ

D4

L4

470 kΩ 0.001 pF

56 pF

470 kΩ

470 kΩ

390 pF

D3

L3

470kΩ

470 kΩ

390 pF

L2

20 pF

47 pF

470 kΩ

D2

L1

270 pF

0.001 µF

470 kΩ

20 pF

470 kΩ

D1

10 Ω

470 kΩ

33 µF

1 kΩ

0.001 µF

10 Ω

0.022 pF

1 000 pF

0.001 µF

100 Ω

2SC3935

4.7 kΩ

AN7208SA

1 000 pF

11 VCC2 GND 2 10

12 STDBY IF out 9 0.001 µF

13

IF gain 8 0.01 µF

TV

14 TV OSC IF in 7

56 kΩ

FM

15 OSC buff. TV/FM 6

CF1

16

IF out 5

17 FM OSC N.C. 4

18 TV RF GND1 3

19 FM RF TV in 2

20 VCC1

FM in 1

1

2

3

4

5

6

1 000 pF

50 Ω

50 Ω

0.001 µF

10 Ω

Parts in use

L1 LQNIH54NK04 (Murata)

L2 LQNIA17NK04 (Murata)

L3 LQNIHR21J04 (Murata)

L4 LQNIA33NK04 (Murata)

RF SG.

50 Ω

Vari-cap.

RVDSVC203ATX (Sanyo)

CF1, CF2

X1

RLFGFCWN04AL (Murata)

RLFDGC01AL (Murata)

8

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