HCF4046BEY

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Phase Lock Loop (PLL)
PLL:	Yes
Input:	CMOS
Output:	CMOS
Number of Circuits:	1
Ratio - Input:Output:	2:1
Differential - Input:Output:	No/No
Frequency - Max:	1.4MHz
Divider/Multiplier:	No/No
Voltage - Supply:	3 V ~ 20 V
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	16-DIP (0.300", 7.62mm)
Supplier Device Package:	16-DIP
Base Part Number:	HCF4046

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HCF4046BEY Application Field and Working Principle

HCF4046BEY is a high-performance programmable clock generator designed for use in communications systems, digital signal processors, microprocessor systems, and various other digital circuitry where precise frequency generation is critical. It\'s manufactured by ST Microelectronics (STM), and its applications range from radio transmission to robotics and personal computing.The HCF4046BEY is based on a Phase-Locked-Loop (PLL) topology, which allows for precise frequency synthesis. PLLs are essentially a control system that adjusts the output frequency in order to maintain a constant phase difference between the input and the output. The PLL consists of two parts: the Voltage-Controlled Oscillator (VCO) and the Phase Frequency Detector (PFD). The input signal can be provided either externally or internally. The output frequency is determined by the voltage applied to the VCO, which is driven by the PFD. The PFD monitors the phase difference between the input and output signals, and adjusts the voltage accordingly. The HCF4046BEY has wide application field. It can be used for radio receivers and transmitters, digital signal processors, microprocessor systems, communication networks and even robotics. It provides an adjustable frequency synthesis up to the 10 MHz range, allowing for flexible frequency manipulation in a variety of applications.The HCF4046BEY works by dynamically adjusting the voltage applied to its Voltage Controlled Oscillator (VCO). The device responds to the control voltage applied to its input, a process known as "clocking." By varying the voltage applied to its input, the device is able to adjust its output frequency in direct proportion to the applied voltage. This allows the device to generate a wide range of output frequencies, with great accuracy and stability. The device has two main components: the main clock generator, and the PFD and VCO block. The main clock generator is the source of input signal, while the PFD and VCO block is the main frequency synthesizer. The input signal is used to drive the PFD, which then monitors the phase difference between the input and the output of the VCO. When the phase difference is too large, the PFD adjusts the voltage applied to the VCO in order to reduce the phase difference. This action adjusts the output frequency accordingly.The HCF4046BEY is also equipped with a number of features that make it versatile and powerful. It includes a multiplexer, which allow for the simultaneous selection of multiple signals from the same input source. Additionally, the device includes a power-down mode, allowing for reduced power consumption or the ability to completely shutdown the device for further power savings. In conclusion, the HCF4046BEY is a versatile and powerful programmable clock generator designed for use in communications, digital signal processing, microprocessor systems and other digital circuitry where precise frequency synthesis is critical. The device employs a PLL topology and consists of two main components; the main clock generator and the PFD and VCO block, which work together to provide adjustable frequency synthesis. Additionally, its multiplexer and power-down mode provide further added versatility, making the device suitable for a variety of applications.

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