MC14046BFEL

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The MC14046BFEL is a clock generator, phase-locked loop (PLL) and frequency synthesizer integrated circuit (IC). Developed by Motorola, it is a highly reliable, monolithic, low power CMOS device that is typically used for the generation and distribution of accurate clock signals.

Applications and Uses
The MC14046BFEL is used in a variety of applications, such as clock recovery, frequency shifting/control, data acquisition, and audio/video (A/V) clock applications. It can also be used to generate periodic signals such as clock signals with an adjustable frequency, or to divide and shift a frequency. It is especially useful in high volume applications where accurate, reliable clock signals are required. Additionally, it is frequently used in wireless communication and digital television systems.

Features and Benefits
The MC14046BFEL offers a number of features and benefits. It is designed to operate over a wide range of supply voltages and temperatures, ensuring reliable, accurate operation in a variety of conditions. It also has a low power consumption of 900 μW, making it ideal for battery powered applications. It is also pin compatible with MC14046B, allowing for easy upgrades and replacements. Additionally, it includes a voltage regulator that provides a stable output voltage. Finally, pin-selectable frequency dividers make it easy to adjust the output frequency.

Working Principle
The MC14046BFEL is a direct digital frequency synthesizer (DDFS). It uses a phase-locked loop (PLL) to generate its output frequencies. A PLL is a closed-loop feedback system that is used to lock the frequency of an oscillator to the input signal frequency. The MC14046BFEL sources a sine wave from an external oscillator and then uses this as the reference frequency. The reference is then divided by a programmable frequency divider and compared to the output frequency. If the output frequency is higher than the reference, the divider is changed to reduce it. Conversely, if the output frequency is lower than the reference, the divider is increased to raise it. This process is repeated until the output frequency is equal to the reference. The MC14046BFEL also includes a voltage regulator to provide a stable output voltage.

In summary, the MC14046BFEL is an integrated circuit (IC) designed for the generation and distribution of accurate clock signals. It is used in a wide range of applications, from clock recovery to data acquisition. Its low power consumption, wide range of supply voltages and temperatures, pin-compatible replacement options, and voltage regulator make it a convenient and reliable choice for many applications. Additionally, the use of a phase-locked loop (PLL) makes it easy to generate and adjust clock signals.

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