AN5290

更新时间： 2024-11-14 22:17:15

品牌	Logo	应用领域
松下 - PANASONIC		电视
页数	文件大小	规格书
6页	59K
描述
Antenna diversity IC for on-vehicle TV

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AN5290 数据手册

ICs for TV

AN5290S

Antenna diversity IC for on-vehicle TV

■ Overview

Unit: mm

The AN5290S is an on-vehicle television antenna-

diversity IC in which the noise detection circuit and an-

tenna changeover circuit are integrated on a single chip.

It is destined for NTSC/PAL system.

■ Features

• Built-in vertical and horizontal synchronizing circuit

• It outputs changeover pulse for noise canceler.

• Built-in antenna changeover stop function

■ Applications

• On-vehicle televisions

0.3

7.2±0.3

9.4±0.3

SOP024-P-0375A

■ Block Diagram

Diversity

On/Off

switch

1st noise

amp.

2nd noise

amp.

Noise

comparator

ANT

switch driver

ANT

choice

ANT

select control

ANT

select decoder

Sync.

control

Phase

det.

1/12

divider

ANT

switch control

Sync.

sepa.

Horizontal

OSC

Vertical

OSC

V-sync. Charge

VCO

sepa.

pump

12 3 4 5 6

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