M61140FP 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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M61140FP

TUNER SINGLE CHIP

Hitachi -> Renesas Electronics 

M61140FP

Pin No.

37

38

Pin name

VIF IN 1

VIF IN 2

Function

Circuit Diagram

IF signal thew SAW filter is input.

It is a balance type input.

33

37

2K

38

2K

14K

39

AF BYPASS

AF bypass terminal. It is

connected to one of the input of 33

a differential amplifier, external

capacitor provides AC filtering.

When resistor is connected in

series with capacitor, it is

37

2K

possible to lows the amplitude of

the audio output. When audio

38

output terminal is not used,

2K

please connect pin 22 to GND.

14K

40

AUDIO OUT

Sound output terminal. De-

emphasis is achieved by

external components.

33

2 00

40

41

QIF OUT

QIF output terminal. FM signal

which is converted to 4.5MHz is 33

output. Additionally, this pin has

4 00

dual function of being VIF VCO

3 0K

type selection. Connected to

GND via 1.2kΩ

6p

41

Rev.1.2, Apr.16.2004, page 9 of 28

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