U3745BM Datasheet, PDF (4/29 Pages) ATMEL Corporation – UHF ASK RECEIVER IC

Block Diagram
ASK
CDEM
AVCC
AGND
DGND
MIXVCC
LNAGND
Demodulator
and data filter
DEMOD_OUT
RSSI
Limiter out
50 kW
V_S
DATA
IF Amp
Sensitivity
reduction
4^th Order
Polling circuit
and
control logic
FE
CLK
ENABLE
TEST
POUT
MODE
DVCC
LPF
3 MHz
Standby logic
LFGND
IF Amp
LFVCC
LPF
3 MHz
LNA_IN
LNA
VCO
f
¸ 64
XTO
XTO
LF
4 U3745BM
4663A–RKE–06/03