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TDA7427 - AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER

The TDA7427 by ST Microelectronics is a AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER. Below is the official datasheet preview.

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Official preview page of the TDA7427 AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER datasheet (ST Microelectronics).

TDA7427 Product details

Description

The TDA7427 is a PLL frequency synthesizer BLOCK DIAGRAM DIP20 SO20 ORDERING NUMBERS: TDA7427(DIP20) TDA7427D (SO20) with an additional IF counting system that performs all the functions needed in a complete PLL radio tuning system for conventional and high speed RDS tuners.The device has dedicated outputs for IN-LOCK detection and Search/Stop station.13 FM_IN 16 SWITCH AM/FM HFREF 14 SWITCH SWM/DIR SWITCH SWM/DIR PHASE COMP CHARGE PUMP + VDD1 20 PRECOUNTER :32/33 5 BIT PROG.CNT INLOCK D

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