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| ATR2731 Datasheet, PDF (23/26 Pages) ATMEL Corporation – DAB One-chip Front End | |||
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Figure 13-4. RFAGC Voltage-generation Block Circuit
V REF
VAGC,INT
ATR2731
SAW1 SAW2
IDA
TBI
D/A
BUF_IN
AGC_BP AGC_RECT AGC_TP
SLI WAGC
V REF
R
AGC_COMP
IDA AGC_THRESH
CHARGE
PUMP
AGCRF
voltage
CPRF
TAI
D/A
CAGC
Figure 13-5. IFAGC Voltage-generation Block Circuit
IFAMP
IFMX
IFAD
Antialiasing
filter
A/D
converter
VAGC
IFAGC1
VREF
R
AGC_THRESH
IDA
TCI
D/A
CHARGE
PUMP
IFAGC2
CPRF
SLI
WAGC
R1
R2
AGCIF
23
4904AâDABâ03/06
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