ATA8205 ATMEL Corporation, ATA8205 Datasheet - Page 2

• Manufacturer Part Number: ATA8205
• Description: (ATA8203 - ATA8205) Industrial UHF ASK/FSK Receiver
• Manufacturer: ATMEL Corporation

1. Description
2
ATA8203/ATA8204/ATA8205
The ATA8203/ATA8204/ATA8205 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 aftermarket keyless entry systems, and tire pressure monitoring
systems, telemetering, consumer/industrial remote control applications, home entertainment,
access control systems,and security technology systems. It can be used in the frequency receiv-
ing range of f
870 MHz for ASK or FSK data transmission. All the statements made below refer to 315 MHz,
433 MHz and 868.3 MHz applications.
Figure 1-1.
Remote control transmitter
ATA8401/02/03/04/05
XTO
UHF ASK/FSK
0
System Block Diagram
= 312.5 MHz to 317.5 MHz, f
Power
VCO
amp.
PLL
Antenna
Antenna
ATA8203/
ATA8204/
ATA8205
0
LNA
= 431.5 MHz to 436.5 MHz or f
Remote control receiver
Demod.
IF Amp
UHF ASK/FSK
VCO
PLL
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Control
XTO
1 to 5
0
9121B–INDCO–04/09
= 868 MHz to
controller
Micro-