SIT3809AC-C-18SB

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Programmable Oscillators are versatile and highly useful devices used to generate a broad range of stable frequency and phase signals. One example of a programmable oscillator is the SIT3809AC-C-18SB. This programmable oscillator is special as it is a frequency divider as opposed to other oscillators that generate exact frequencies. The SIT3809AC-C-18SB divides the incoming frequency of the input clock by 10 and outputs a lower frequency signal with extreme precision and accuracy.

This programmable oscillator is primarily used in telecommunications applications. It was initially designed for use in mobile radios with voltage-controlled oscillator (VCO) requirements. It may also be used in other production environments such as monitors, clocks and televisions. The oscillator operates with a low level of jitter and a low power consumption and is available in a wide range of frequency options.

The SIT3809AC-C-18SB works based on a feedback loop circuit. This involves a comparator, counter, and a pair of programmable digital logic stages that provide both the frequency division function and the adjustment of the clock frequency and phase. The counter provides a constant reference, while the other two elements adjust their output to the reference controlled by the user. By controlling the frequency and phase ratio between the input clock and counter, this programmable oscillator can generate an output frequency that is accurately controlled.

Another special feature of this technology is its high level of output stability. This is achieved by the use of a phased-locked loop (PLL) that ensures that the feedback voltage is correctly adjusted to match the output frequency. This means that the output frequency from the oscillator is highly immune to any external noise or temperature variations. The oscillator also comes with an Internal Oscillator that boosts the range of frequencies available, specifically in the middle and low frequencies.

The SIT3809AC-C-18SB has a wide selection of frequency ratios available in the range of 5 to 100. The supplied output clock is extremely precise and has a wide harmonic frequency variation of only 0.2 percent. The main advantages of this oscillator are its low cost, low power consumption and wide frequency range. While its slightly higher jitter can be an issue in certain applications, this is far outweighed by its many benefits.

The SIT3809AC-C-18SB offers a unique combination of frequency division and adjustable clock frequencies and is a great choice for precision applications. Its stable outputs, wide frequency range, and low power consumption make it ideal for telecommunications applications and other production settings. The oscillator is also relatively inexpensive and provides a good return on investment. With this programmable oscillator, users can enjoy low cost, energy efficient, and reliable frequency and phase control.

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