ata5724p3c-tkqy ATMEL Corporation, ata5724p3c-tkqy Datasheet - Page 3

• Manufacturer Part Number: ata5724p3c-tkqy
• Description: Uhf Ask/fsk Receiver
• Manufacturer: ATMEL Corporation

Figure 1-2.
9248A–RKE–09/11
Block Diagram
LNAGND
LNAREF
LNA_IN
CDEM
DGND
AGND
SENS
DVCC
AVCC
RSSI
LNA
RSSI
and Data Filter
Demodulator
f
f
g
Poly-LPF
g
f
0
FSK/ASK
4. Order
= 2.2 MHz
= 7 MHz
= 1 MHz
LPF
Amp.
RSSI
Amp.
IF
IF
Atmel ATA5723C/ATA5724C/ATA5728C
Limiter out
Sensitivity
f
reduction
Dem_out
or :4
:2
LC-VCO
f
Loop
Filter
or :64
Standby
:128
and Control Logic
Logic
FE
Polling Circuit
Interface
Data
f
CLK
XTO
or :3
:2
DATA
POLLING/_ON
DATA_CLK
MODE
IC_ACTIVE
XTAL2
XTAL1
3