LA1145 datasheet(7/17 Pages) SANYO

No de pièce	LA1145

Description	FM IF System (Quadrature Detector) for Car Radio

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Fabricant	SANYO [Sanyo Semicon Device]

Site Internet	https://www.sanyo-av.com/us/

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LA1145 Pin Functions (1)

Pin No.

Function

Internal Equivalent Circuit

Notes

1

IF input

2

Bias pin

3

GND

IF limiting amp

GND

4

Soft mute start point

control

For setting the soft mute starting point.

5

Soft muting gradient

control pin

Can be used for S-meter output.

For setting the mute gradient from the soft

mute starting point to the noise finishing

point.

6

Mute Att

For setting amount of mute attenuation.

The demodulation level changes when the

external resistance value is varied.

7

FM-AF output

8

AFC input

9

IF output

Output to the phase circuit

LA1145, 1145M

No. 2725-7/17

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LA1145 Fiches technique(PDF) 7 Page - Sanyo Semicon Device

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