Philips Semiconductors
AM receiver circuit
Product specification
TDA1072A
Fig.6 Indicator driver voltage as a function
of r.f. input in the circuit of Fig.1.
Fig.7
Typical frequency response curves from
Fig.1 showing the effect of filtering as
follows:
with i.f. filter;
− - − - − - with a.f. filter;
− − − − − with i.f. and a.f. filters.
Fig.8 Car radio application with inductive tuning.
May 1984
10