LA1781M 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LA1781M

For Car Radios Single-Chip Tuner IC

SANYO -> Panasonic 

LA1781M

Sample AM tuner Circuit with the LC72144 Used Together

RF

CF

1st IF

2nd MIX

CF

IF

CF

450K

300Ω

XBUFF

LC72144

fosc

1

fOSC 10.25NHz

2

fOSC 10.35NHz

AM 1st IF

10.7MHz

10.8MHz

Step

10kHz, 11kHz

9kHz, 10kHz

FM IF

10.7MHz

10.8MHz

1st MIX

RF

10.71MHz CF

62

59

56

60

1st OSC

CF

53

49

IF

CF

54

52

2nd OSC

10.26MHz

10kΩ

AF

31

NC

RF

10.7MHz CF

CF

IF

QUADRATURE

AF

DETECTOR

63

60

56

53

51

64

59

Lch

MPX

Rch

No.6038-43/48

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