CD74HCT4046AM96 Integrated Circuits (ICs)

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The CD74HCT4046AM96 is an integrated circuit comprised mainly of a phase-locked loop (PLL) clock generator, a programmable frequency synthesizer, and a voltage-controlled oscillator (VCO). This integrated circuit is ideal for applications such as clock signal generation, switching power supplies, synchronous rectification, and level shifting. It has the ability to generate multiple frequencies with high precision and excellent jitter control. Additionally, it is suitable for use in mobile, industrial, and consumer electronics.

Overview

The CD74HCT4046AM96 is an advanced monolithic CMOS phase-locked loop (PLL) IC that is available in different frequency bands and packages. This integrated circuit includes a phase frequency detector, a programmable frequency synthesizer, and a voltage-controlled oscillator (VCO). The PLL system is suitable for generating multiple frequencies with high precision and excellent jitter control. In addition, it can be used for clock generation, switching power supplies, and synchronous rectification.

Features

The features of the CD74HCT4046AM96 are as follows:

• Integrated PLL, frequency synthesizer, and VCO.
• Suitable for multiple frequencies with high precision and jitter control.
• Low power consumption.
• Programmable frequency range between 400 kHz and 3.2 MHz.
• Integrated divider.
• Integrated control logic.
• Available in different frequency bands and packages.

Application Fields

The CD74HCT4046AM96 is ideal for use in consumer and industrial applications such as automated test equipment, switching power supplies, synchronous rectification, level shifting, and clock generation. The controllable frequency range of this integrated circuit makes it suitable for use in mobile electronics such as wireless communication systems, cellular phones, and wireless local area networks (WLANs). Additionally, this IC is ideal for use in automotive infotainment systems, audio systems, and other consumer electronics.

Working Principle

The CD74HCT4046AM96 features a programmable frequency synthesizer, a voltage-controlled oscillator (VCO), and a phase-frequency detector (PFD). All of these components work together to produce stable frequencies under controlled conditions. The VCO generates a frequency, which is then compared to a reference frequency by the PFD. The difference between these frequencies is used to adjust the frequency output of the VCO through an internal-divider chain and an output control logic. The resulting output frequency can be programmed to the desired value.

The VCO frequency is adjusted by using the charge pump that is part of the internal divider chain. The frequency synthesizer is designed to adjust the output frequency based on the reference frequency. This allows for precise control over the frequency. Additionally, the programmable frequency range of 400 kHz to 3.2 MHz makes it possible to generate multiple frequencies with excellent jitter control.

Conclusion

The CD74HCT4046AM96 is an integrated circuit comprised mainly of a phase-locked loop (PLL) clock generator, a programmable frequency synthesizer, and a voltage-controlled oscillator (VCO). This integrated circuit is ideal for applications such as clock signal generation, switching power supplies, synchronous rectification, and level shifting. It has the ability to generate multiple frequencies with high precision and excellent jitter control. Additionally, it is suitable for use in mobile, industrial, and consumer electronics.

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