SIT9005ACL2H-33NE

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Programmable oscillators refer to electronic instruments that can generate various frequencies according to the settings. SIT9005ACL2H-33NE is one of these programmable oscillators. It is specifically designed for applications such as frequency synthesizers, clock-generators, and clock/data distribution for high-speed data transfer. Its working principle stems from a couple of main components.
First, there are the programmable frequency divider and comparator that help to carry out the division process. The frequency divider takes the input signal and divides the frequency of the signal by an amount that the user sets. The output of the division is then used as the clock signal to feed into the comparator. The comparator looks at the divided signal and compares it against the reference clock frequency. If they are not equal, then the comparator sends out a signal that triggers the frequency divider to adjust the division ratio accordingly. The adjusted division ratio will center in on the reference frequency and hit the right frequency target as desired.
Second, the feedback loop of the programmable oscillator has help in stabilizing the output frequency. This helps to maintain precision of the target frequency and reduce phase noise. The input frequency signal is received through the PFD which stands for Phase Frequency Detector. This phase frequency detector then compares it against the reference frequency set and sends out an output signal. Feedbacks from various components such as the VCO, Loop Filter, and Reset Control help to regulate the loop to eventually achieve the desired frequency.
Moreover, the SIT9005ACL2H-33NE also supports a wide range of output frequency up to 3GHz. The general temperature stability of the oscillator is ±100ppm max which is equivalent to ±10KHz of frequency drift over 100 degree Celcius temperature range. Also, it can provide various output signals including LVCMOS, LVDS, and more. These features make the SIT9005ACL2H-33NE very versatile and suitable for multiple applications.
In summary, the SIT9005ACL2H-33NE is a programmable oscillator that is specifically designed for frequency synthesizers, clock-generators, and clock/data distribution for high-speed data transfer. Its working principle involves a frequency divider and comparator to attain the desired frequency as well a feedback loop for stability. The oscillator is temperature stable and provides multiple output signals for different applications. This makes it a go-to product for users looking for programmable oscillators.

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