TDA7427A Ver la hoja de datos (PDF) - STMicroelectronics

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TDA7427A

AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER

STMicroelectronics 

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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