ATA3742_07 ATMEL [ATMEL Corporation], ATA3742_07 Datasheet - Page 2

• Manufacturer Part Number: ATA3742_07
• Description: UHF ASK/FSK Receiver
• Manufacturer: ATMEL [ATMEL Corporation]

Figure 1-1.
Figure 1-2.
2
1 Li cell
Keys
ATA3742
ATARx9x
Encoder
System Block Diagram
Block Diagram
FSK/ASK
LNAGND
MIXVCC
LNA_IN
CDEM
DGND
AGND
SENS
AVCC
RSSI
Remote control transmitter
U2741B
XTO
UHF ASK/FSK
LNA
Power
RSSI
VCO
amp.
PLL
and Data Filter
Demodulator
4th Order
FSK/ASK
IF Amp
IF Amp
3 MHz
3 MHz
LPF
LPF
Antenna
Limiter out
Dem_out
Sensitivity
reduction
Antenna
f
VCO
:64
Standby
ATA3742
Logic
FE
Polling circuit
control logic
LNA
and
Remote control receiver
XTO
Demod
CLK
UHF ASK/FSK
50 k
VCO
PLL
V
S
DATA
ENABLE
TEST
MODE
DVCC
LFGND
LFVCC
XTO
LF
Control
XTO
1 to 3
4900B–RKE–11/07
controller
Micro-