T5754C_14 Datasheet, PDF (2/13 Pages) ATMEL Corporation – UHF ASK/FSK Transmitter

1. Description
The Atmel^® T5754C is a PLL transmitter IC which has been developed for the demands of RF low-cost transmission
systems at data rates up to 32kBaud. The transmitting frequency range is 429MHz to 439MHz. It can be used in both FSK
and ASK systems.
Figure 1-1. System Block Diagram
1 Li cell
Keys
Encoder
ATARx9x
UHF ASK/FSK
Remote control transmitter
UHF ASK/FSK
Remote control receiver
T5754
PLL
U3741B/
U3745B/
T5743/
T5744
Demod
Control
XTO
VCO
Antenna Antenna
PLL
XTO
1 to 3 Micro-
controller
Power
amp.
LNA
VCO
2
T5754C [DATASHEET]
4511K–RKE–03/14