LA1823M Просмотр технического описания (PDF) - SANYO -> Panasonic

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Компоненты Описание

производитель

LA1823M

Single-Chip Tuner ICs for Use in Radio Cassette Recorder

SANYO -> Panasonic 

Continued from preceding page.

Pin

number

Function

14

Pilot detector filter

(forced monaural

mode)

LA1823, LA1823M

Quiescent

voltage (V)

AM

FM

2.9

3.8

Remarks

Forced monaural mode when pin 14 is

connected to ground

Equivalent circuit

14

15

Phase comparator

0

3.8 FM mode is when pin 15 is open, and AM

filter

mode is when pin 15 is connected to ground

15

(AM/FM switch)

16

L output

17

R output

1.2

1.2 Rout = 7.5kΩ

18

MPX input

1.2

1.2 Rin = 50kΩ

19

AM/FM detector

0.3

1.0 Output impedance

output

AM : Rout = 50kΩ

FM : Rout = 500Ω

The channel separation can be adjusted with

an external capacitor connected between

this pin and ground

20

FM-OSC

4.5

4.4 Connect the FM oscillator coil between this

pin and pin 21 (VCC2)

16

Rout

17

18

Rin

Rout (FM)

19

Rout (AM)

21

20

Continued on next page.

No.6854-10/12

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