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CD4046BM - Micropower Phase-Locked Loop

General Description

The CD4046B micropower phase-locked loop (PLL) consists of a low power linear voltage-controlled oscillator (VCO) a source follower a zener diode and two phase comparators The two phase comparators have a common signal input and a common comparator input The signal input can be directly coupled for

Key Features

  • Y Y Y Y Y Wide supply voltage range 3 0V to 18V Low dynamic 70 mW (typ ) at power consumption fo e 10 kHz VDD e 5V VCO frequency 1 3 MHz (typ ) at VDD e 10V Low frequency drift 0 06% C at VDD e 10V with temperature High VCO linearity 1% (typ ).

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📁 Similar Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CD4046BM CD4046BC Micropower Phase-Locked Loop November 1995 CD4046BM CD4046BC Micropower Phase-Locked Loop General Description The CD4046B micropower phase-locked loop (PLL) consists of a low power linear voltage-controlled oscillator (VCO) a source follower a zener diode and two phase comparators The two phase comparators have a common signal input and a common comparator input The signal input can be directly coupled for a large voltage signal or capacitively coupled to the self-biasing amplifier at the signal input for a small voltage signal Phase comparator I an exclusive OR gate provides a digital error signal (phase comp I Out) and maintains 90 phase shifts at the VCO center frequency Between signal input and comparator input (both at 50% duty cycle) it may lock onto the signal in