ATA5723 ATMEL Corporation, ATA5723 Datasheet - Page 2
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ATA5723
Manufacturer Part Number
ATA5723
Description
Ata5723 Uhf Ask/fsk Receiver
Manufacturer
ATMEL Corporation
Datasheet
1.ATA5723.pdf
(46 pages)
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1. Description
2
ATA5723/ATA5724/ATA5728
The ATA5723/ATA5724/ATA5728 is a multi-chip PLL receiver device supplied in an SSO20
package. It has been specially developed for the demands of RF low-cost data transmission sys-
tems with data rates from 1 kBit/s to 10 kBbit/s in Manchester or Bi-phase code. Its main
applications are in the areas of keyless entry systems, tire pressure monitoring systems, teleme-
tering, and security technology systems. It can be used in the frequency receiving range of
f
ASK or FSK data transmission. All the statements made below refer to 315 MHz, 433 MHz and
868.3 MHz applications.
Figure 1-1.
0
= 312.5 MHz to 317.5 MHz, f
Remote control transmitter
T5750/53/54
XTO
UHF ASK/FSK
System Block Diagram
Power
VCO
amp.
PLL
Antenna
0
= 431.5 MHz to 436.5 MHz or f
Antenna
ATA5723/
ATA5724/
ATA5728
LNA
Remote control receiver
Demod.
IF Amp
UHF ASK/FSK
VCO
PLL
0
= 868 MHz to 870 MHz for
Control
XTO
1 to 5
9106D–RKE–02/08
controller
Micro-
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