T4224B-CC 查看數據表（PDF） - Temic Semiconductors

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T4224B-CC

Time Code Receiver

Temic Semiconductors 

Time Code Receiver

U4224B

Description

The U4224B is a bipolar integrated straight through receiver circuit in the frequency range of 40 to 80 kHz.

The device is designed for radio controlled clock applications.

Features

D Very low power consumption

D Very high sensitivity

D High selectivity by using two crystal filters

D Power down mode available

D Only a few external components necessary

D Digitalized serial output signal

D AGC hold mode

Block Diagram

GND 3

VCC 1

PON

15

Power Supply

TCO

16

93 7727 e

Decoder

11 FLB

10 FLA

9 DEC

IN 2

AGC

Amplifier

4 5 6 13 14

SB Q1A Q1B Q2A Q2B

Rectifier & 12 SL

Integrator

7

8

REC

INT

TELEFUNKEN Semiconductors

Rev. A3, 02-Apr-96

1 (17)

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