CDCEL824PWR

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The [[CDCEL824PWR]] is a clock generator, phase-locked loop (PLL) and frequency synthesizer. It is useful in a wide range of applications such as medical, communication, and aerospace. Its components are optimized for applications where power consumption and space requirements must be minimized.

Application Field

The CDCEL824PWR can generate various clock signals with different frequencies. It is suitable for applications such as test/measurement equipment, digital logic circuits, instrumentation, industrial control, and embedded control. It is also used in conditions such as low-frequency and high-frequency, pulse-width modulated (PWM) signals, and frequency-shift-keying (FSK) signals.

The output frequency range is from 0.8 MHz to 292 MHz. It is designed for operation from temperature ranges of -40°C to 85°C. The output source impedance is 50 Ω with a maximum output power as high as +24 dBm.

Working Principle

The [[CDCEL824PWR]] uses phase-locked-loop technology to generate phase-coherent clock signals. It consists of three main parts: a voltage-controlled oscillator (VCO), a phase/frequency detector (PFD), and a loop filter. The VCO takes an input voltage and generates a corresponding frequency. This output frequency is then compared with an input clock by means of a PFD. If a difference exists between the two signals, an error signal is generated that is used to adjust the voltage of the VCO until the two signals are in synch.

The loop filter works by smoothing out the transitions between the two frequencies and also limits the noise generated. The output frequency is adjustable and can be set to a specific value by selecting the appropriate components for the loop filter. The output frequency can also be programmed over a range of frequencies by varying the supply voltage.

The CDCEL824PWR is designed to be used with a large variety of input frequencies and has a very low power consumption of 0.8mW. It provides an excellent solution for applications where power and size are prime considerations.

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