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►Block Diagram
VDD
SCI-
Digital
Encoder
Demodulator
Diagnosis
Limiter
Tag Resonant -
A_TST
SCIO
Freq. Measurement
Band Pass
10k
Power-
on reset
SFB
Control Logic
RFAmplifier
with Mode Control
TXCT
Vref
Register
SENSE
D_TST
Full Bridge
VDDA
F_SEL
PLL
Controlled
ANT1
Pre-
Frequency Divider
drivers
OSC2
ANT2
VSSA
OSC1
VSS
VSSB
5
J.A.G Aug 2006
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