TDA7427A Datasheet, PDF (9/21 Pages) STMicroelectronics – AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER

Figure 3. Phase comparator waveforms
TDA7427A
Figure 4. IF Counter internal block diagram
IFENA
IF-AM
IF-FM
OSC
EW-REGISTER
11-21 BIT COUNTER
ZD
CF-REGISTER
UP/DOWN COUNTER
14 BIT COUNTER
3 BIT COUNTER
DECODE
SSTOP
IFC-REGISTER
IFS-REGISTER
D95AU377A
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