ATA8205 ATMEL Corporation, ATA8205 Datasheet - Page 3

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

Figure 1-2.
9121B–INDCO–04/09
Block Diagram
LNAGND
LNAREF
LNA_IN
CDEM
DGND
AGND
DVCC
SENS
AVCC
RSSI
LNA
RSSI
and Data Filter
Demodulator
f
f
g
g
f
Poly-LPF
0
FSK/ASK
4. Order
= 2.2 MHz
= 7 MHz
= 1 MHz
LPF
Amp.
RSSI
Amp.
IF
IF
Limiter out
Sensitivity
f
reduction
Dem_out
or :4
:2
LC-VCO
Loop
Filter
f
ATA8203/ATA8204/ATA8205
or :64
Standby
:128
and Control Logic
Logic
FE
Polling Circuit
Interface
Data
f
XTO
CLK
or :3
:2
DATA
POLLING/_ON
DATA_CLK
MODE
IC_ACTIVE
XTAL2
XTAL1
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