SIT9002AC-28H33DG

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Programmable Oscillators (POs) are control electronics that use a continuously varying voltage source to generate a predetermined frequency within a range. One type of PO, the SIT9002AC-28H33DG, is an advanced programmable oscillator containing a programmable frequency synthesizer, PLL, and temperature-compensated crystal oscillator (TCXO). The device offers excellent stability and reliability, making it suitable for demanding applications in a variety of industries.

The SIT9002AC-28H33DG is a digital-programmable oscillator, allowing users to easily adjust the output frequency from 0.75Hz to 33MHz. With its wide range of adjustable frequencies, it is suitable for use in a variety of industrial applications, ranging from automotive, telecommunications, and audio visual equipment, to medical, industrial and test & measurement applications.

The SIT9002AC-28H33DG’s working principle is rooted in phase-locked loop (PLL) theory. It combines a reference oscillator (crystal or ceramic resonator) and a voltage-controlled oscillator (VCO) to generate a predetermined output frequency over a wide range. The VCO generates an output signal, which is compared to the reference frequency. If the output is too high, the VCO’s phase-shift networks are adjusted to decrease the output frequency. Similarly, if the output is too low, the phase-shift networks are adjusted to increase the output frequency.

The SIT9002AC-28H33DG Phase-Locked Loop (PLL) circuit stabilizes the output frequency and allows precise control over the signal. The device also includes a temperature-compensated crystal oscillator (TCXO) to maintain accuracy. TCXOs are specially designed to compensate for frequency differences between different temperatures by using an additional crystal element integrated into the oscillator circuit. This provides improved performance and reliability in a variety of industrial applications.

The SIT9002AC-28H33DG also features a programmable frequency synthesizer with flexible programming to suit custom applications. This enables the output frequency to be set in a range from 0.75Hz to 33MHz. The device also features a power-on reset circuit and an internal clock divider for additional control.

The SIT9002AC-28H33DG is a programmable oscillator designed for industrial applications. Its combination of advanced frequency control components and its wide frequency range make it suitable for a variety of uses, from automotive and telecommunications to test & measurement and industrial applications. The device’s combination of a programmable frequency synthesizer, PLL, and TCXO offer excellent stability and reliability, which make it an ideal choice for demanding industrial applications.

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