LS1240A(2005) Просмотр технического описания (PDF) - Unisonic Technologies

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Компоненты Описание

производитель

LS1240A
(Rev.:2005)

ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER

Unisonic Technologies 

LS1240A

PIN CONFIGURATION

LINE 1

GND 2

CSW 3

Ra 4

LINEAR INTEGRATED CIRCUIT

UTC LS1240 A

8 LINE

7 Cr

6 NULL

5 OUT

PIN DESCRIPTION

PIN PIN NAME

1

LINE Connecting pin to B-wire

2

GND Ground

3

Csw Sweep rate control capacitor

4

Ra Output frequency control resistor

5

OUT Buzzer

6

NULL Not connected

7

Cr Rectifier capacitor

8

LINE Connecting pin to A-wire

DESCRIPTION

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

2 of 5

QW-R108-002,H

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