Practical Electronics/IC/4046

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4046
Logic Type Analogue Digital Mixed
Function Family PLL IC
Description VCO, 2 Phase Comparators and Zener diode
Pins 16
Pinout
4046 Pinout.svg
Functional Diagram

The 4046 contains one Voltage Controled Voltage that require external capacitor and two resistors, two differents phase comparators and a zener diode of 5.2V. Is used like a low frequency synthesizer, frequently used with 4020, 4022, 4024 and others frequency dividers.

Used in applications like FM and FSK demodulators, VCOs, etc.