CDC2509CPWG4

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The CDC2509CPWG4 is a high performance digital phase-locked loop for applications requiring an output frequency range of 10 kHz to 40 MHz. It can be used as both an oscillator and a divider, enabling a variety of frequencies to be generated within its operating range. The PLL also offers a low-jitter reference frequency input, which eliminates the need for separate external clocks and oscillators. The device is capable of operating in bursts of low-jitter, low-noise signals with a wide frequency range and accurate frequency stability. The CDC2509CPWG4 is suitable for use in oscillators, synthesizers, synchronizers, PLLs and frequency converters.

The CDC2509CPWG4 utilizes a feedback loop with two components, a voltage-controlled oscillator (VCO) and a phase comparator. The VCO is a voltage-controlled oscillator, frequency of which varies in response to an applied control voltage. The phase comparator, on the other hand, compares the phase of an input signal with the VCO output signal, and produces a control voltage for the VCO accordingly. The VCO and phase comparator together form the closed-loop feedback control system of the PLL.

The device includes an advanced input stage which is able to receive a wide range of input signals from almost any frequency source. The phase comparator includes a built-in phase descrambler. This phase descrambler also provides digital encoding of phase information for every cycle of the PLL output signal. The digital encoder ensures that the PLL output signal is stable and free of angular jitter and phase noise.

The main features of the CDC2509CPWG4 are its fast switching times, low-noise operation, low jitter and wide frequency range. The device supports a wide range of operation modes including frequency shifting, phase varying and clock conditioning. Additionally, the device includes programmable phase offsets and a temperature compensation feature. The phase offsets allow for the dynamic tuning of the phase shift between the reference and VCO signals. The temperature compensation feature allows for the control of the VCO frequency, resulting in better frequency accuracy over a wide temperature range.

The CDC2509CPWG4 is designed for applications where an accurate and stable frequency is required. It is ideal for use in oscillators, frequency synthesizers and other synchronizing devices. With its low-noise operation and wide range of frequency modes, it is suitable for use in precision frequency control systems such as military and aerospace applications. In addition, it can be used in industrial and consumer applications such as test and measurement equipment and automotive systems.

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