ATA2745M-TCQY 查看數據表（PDF） - Atmel Corporation

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ATA2745M-TCQY

UHF ASK Transmitter

Atmel Corporation 

Figure 1-1. System Block Diagram

1 Li cell

Encoder

Keys ATARx9x

UHF ASK

Remote control transmitter

UHF ASK

Remote control receiver

ATA2745

ATA3745

Demod.

1...3

Control

XTO

PLL

VCO

Antenna Antenna

IF Amp

PLL

XTO

Power

amp.

LNA

VCO

Figure 1-2. Block Diagram

ASK

EN

VCC

CLK

GND

LFVCC

LFGND

LF

OR

Power

up

VCO

f

64

f

n

ATA2745

PA

XTO

GND

PWRSET

PWRVCC

ANT

PWRGND1

PWRGND2

XTO1

NC

2 ATA2745

4898B–RKE–08/06

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