LA1867NM Просмотр технического описания (PDF) - SANYO -> Panasonic

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Компоненты Описание

производитель

LA1867NM

Car Radio Single-Chip Tuner System

SANYO -> Panasonic 

Continued from preceding page.

Pin

Function

38 Noise AGC sensitivity

39 adjustment pins

LA1867NM

Unit (resistance:Ω, capacitance:F)

Equivalent internal circuit

Note

Pin 38 is the noise sensitivity setting pin.

First set the medium field (about 50 dBµ)

level, and the set the weak field (about 20 to

30 dBµ) with pin 39 (AGC adjustment).

35 HPF slope adjustment pin

The slope of the high-pass filter can be

adjusted by changing the value of the

resistor (R) connected between pin 35 and

ground. If this adjustment is not needed,

pin 35 can be left open.

MRC Block

Pin

Function

Equivalent internal circuit

Note

IF S-meter output and MRC

18 DC input pin

S-meter output block

MRC DC input block

Continued on next page.

No. 4619-16/32

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