DSC8121CI5

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Programmable oscillators are electronic frequency control devices used to generate a stable and precise oscillation frequency. They are used in a wide range of applications, such as microwave, GPS, audio, and video applications. A common type of programmable oscillator is the DSC8121CI5. This device is a frequency-agile, phase-noise-optimized full-digital phase locked loop (PLL) phase locked loop frequency synthesizer that provides a stable, accurate and low phase-noise output frequency.

The DSC8121CI5 is used in a variety of applications such as GPS/Navigation, microwave, automotive, consumer electronics, and industrial control systems. The device offers robust and accurate control of frequency, phase and amplitude of the output signal. It can be used to generate a wide range of frequencies from 0.25 MHz to 2.6 GHz, with a step size of 1 Hz. It also features wide band phase noise of -145 dBc/Hz at 10 kHz, fast locking time and comprehensive phase ripple. These features make the device suitable for low noise and fast-switching applications.

The working principle of the DSC88121CI5 is based on the phase locked loop (PLL) technique. The device includes a phase detector, an oscillator, a reference oscillator, and a divider. The phase detector compares the phases of the reference oscillator and the output of the oscillator and adjusts the voltage of the oscillator until they are in phase. The output of the oscillator is then divided down by a dividers to generate the desired frequency. By adjusting the dividers or the magnitude of the reference oscillator frequency, the output frequency of the DSC88121CI5 device can be adjusted to generate a variety of frequencies.

The DSC8121CI5 also features a programmable divider, which can be used to divide down the reference oscillator frequency to the desired output frequency. The device also features a range control functionality, which allows for the adjustment of the dynamic range of the output signal. This feature is useful for applications such as frequency hopping, where the frequency changes over time but remains within a specified range.

In addition to its wide range of frequency output, the DSC8121CI5 also includes several programmable features, such as the programmable power down mode, which helps to significantly reduce power consumption. The device also includes programmable gain stages, which enable finer control over the magnitude and phase of the output signal. The device also includes an on-board temperature compensation feature, which ensures that the output frequency remains constant as temperatures fluctuate.

The DSC8121CI5 is an excellent choice for applications requiring a low phase noise, wide dynamic range, and reliable output signal. Its various programmable features make it suitable for a wide variety of applications, from GPS/Navigation to microwave systems. The device is well suited for both high-end professional application systems as well as for low-cost consumer applications. The device provides flexibility and cost-effectiveness, making it suitable for both professional and end-user applications.

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