SIT9002AC-38N33DT

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Programmable Oscillators are widely used to provide precisely timed signals to control complex system operations. They are also known as Programmable Clock Generators, offering different specifications to suit the application. The SIT9002AC-38N33DT is an example of a high-accuracy programmable oscillator, which combines the features of a phase-locked loop (PLL) and crystal oscillator, offering superior performance and stability.

The SIT9002AC-38N33DT is a 2.4GHz programmable oscillator designed for applications such as communication systems and embedded digital control. With its PLL, it offers a wide range of frequency synthesis (FSK and PSK modulations) and offers a wide frequency range from 10KHz to 3GHz, ideal for wireless radios and digital circuit applications. It is particularly useful for supporting multi-standard wireless radios.

The SIT9002AC-38N33DT utilizes a wide tuning range, which enables it to provide frequency coverage over the entire radio frequency spectrum. The analog frequency control makes it possible to adjust the center frequency by small steps with low phase noise and low frequency pulling. The very low frequency pulling means it can be tuned to a fixed frequency without needing to be adjusted over time.

The SIT9002AC-38N33DT also features a low power-noise ratio, making it ideal for applications requiring low noise, such as base stations and military portable radio systems. It also has a very low jitter performance, which is useful for proper communication performance. It also features a low profile, allowing it to be efficiently mounted on a circuit board. Additionally, it is well suited for hot pluggable applications.

The SIT9002AC-38N33DT offers superior accuracy and linearity. It also features a very low power consumption. The input stage utilizes a low-noise amplifier and low-offset comparator to provide superior temperature stability and wide frequency range. The output stage also features a high-performance linear regulator for fast delivering power and good accuracy.

The SIT9002AC-38N33DT works by generating a sinusoidal signal at frequency Fc, which is then leveled and kept at desired levels by the PLL feedback control. The PLL uses a voltage-controlled oscillator (VCO), the continuously adjustable parameter of which is the reference voltage. By controlling the reference voltage, the frequency can be adjusted accordingly. The tuning range of the oscillator can also be limited by external components.

In conclusion, the SIT9002AC-38N33DT is a reliable and versatile programmable oscillator, offering high accuracy and low power consumption, with a range of features, such as phase-locked loop, low phase noise, low frequency pulling and a wide tuning range. It is ideal for applications such as communication systems and digital control.

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