U2731B-NFN
Model | U2731B-NFN |
Description | DAB ONE- CHIP FRONT END |
PDF file | Total 25 pages (File size: 654K) |
Chip Manufacturer | ATMEL |
Figure 10.
RFAGC Voltage-generation Block Circuit
V
REF
VAGC,INT
IDA
TBI
SAW1 SAW2
D/A
BUF_IN
AGC_BP
AGC_RECT
AGC_TP
V
REF
SLI WAGC
AGCRF
voltage
CPRF
AGC_COMP
R
AGC_THRESH
CHARGE
PUMP
IDA
TAI
D/A
C
AGC
Figure 11.
IFAGC Voltage-generation Block Circuit
IFAMP
IFMX
IFAD
Antialiasing
filter
A/D
converter
VAGC
R1
IFAGC1
R2
IFAGC2
V
REF
CHARGE
PUMP
CPRF
R
AGC_THRESH
IDA
SLI
TCI
D/A
WAGC
AGCIF
22
U2731B
4671C–DAB–06/04