TDA7703 Datasheet, PDF (28/32 Pages) STMicroelectronics – Automatic self alignment for image rejection

Weak signal processing
TDA7703
5.2.3 High cut control
Table 28. High cut control
(continuous set)
Symbol
Parameter
Test condition
Min
Typ
minimum RF level for widest
HCFSsp Start point vs. field strength ^{HC filter (filter # 7)}
0
40
no multipath present
maximum RF level for
HCFSep End point vs. field strength narrowest HC filter (filter # 0) 0
30
no multipath present
Field strength-related
HCFStW2N transition time from wide to
narrow band
V_rf step-like variation from
60 dBµV to 10 dBµV
Field strength-related
HCFStN2W transition time from narrow to
wide band
V_rf step-like variation from
0 dBµV to 60 dBµV
HCnumFilt Number of discrete HC filters
0.001 0.2
0.001
10
-
8
Max Units
50 dBµV
50 dBµV
20
s
20
s
-
-
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