TDA7515 rf-frontend equivalent, rf-frontend.
s s s
High performance fast PLL for RDS-system Electronic alignment for the preselection stages All functions bus-controlled
AM/FM - DSP carradios with 10.7MHz - IF sa.
The frontend is a high performance tuner circuit for 1 BLOCK DIAGRAM
optional
2
2
AGC
ADJ
2 IF 10.7MHz
2 FM PM
AGC
DAGC
I
Q
2
AGC TV1
2 AM PM
Bus Interface TV2 Supply
1/4 1/8
DIV 1/6 1/10
:1/:2/:3 VCO LPOUT
PLL REFDIV LPAM LPFM LPHC
.
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