SIT9005ACU1H-25SJ

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Programmable Oscillators

Programmable Oscillators provide high-performance in a cost-effective package by allowing users flexibility to configure their own oscillator to exact specifications. SIT9005ACU1H-25SJ is a versatile programmable oscillator that not only offers flexibility and performance to its users but also provides a high level of stability and reliability in a wide range of applications.

Application Field

SIT9005ACU1H-25SJ is ideal for applications where the user needs highly precise and stable frequency control. It is suitable for base or mobile radio applications, instrumentation, medical equipment and embedded applications with microcontroller or digital signal processor (DSP) systems. In addition, it is ideal for high-accuracy frequency count measurements and phase locked loop (PLL) systems.

The versatile SIT9005ACU1H-25SJ can be programmed to generate frequencies ranging from 1 kHz to 25 MHz in 0.01% increments, with a frequency stability of +/- 0.01%, and a typical phase noise of -80 dBc/Hz at 10 kHz offset. This oscillator can also be programmed to generate a signal in a Square Wave, Sinusoidal, Triangular or half-wave structure, with a variety of output powers such as TTL, CMOS, that range from +5V to 5V. In addition, the SIT9005ACU1H-25SJ is also able to generate frequency modulation and amplitude modulation signals.

Working Principle

At the heart of the SIT9005ACU1H-25SJ is a temperature compensated oscillator (TCXO) which operates at a frequency precision of +/- 0.01%. This enables the oscillator to remain stable over a wide temperature range (-40 degrees to +85 degrees Celsius). The oscillator also utilizes a low-jitter digital phase-locked loop (DPLL) based on a voltage-controlled oscillator (VCO) to further reduce the frequency fluctuations resulting from temperature changes.

The oscillator is connected to an external clock chip that contains a programmable divider that can be programmed to provide the required frequency. The frequency is then divided down to the required fundamental frequency and then multiplied up to the desired frequency. This method provides superior jitter reduction and low power consumption.

The SIT9005ACU1H-25SJ also utilizes a closed loop PID (Proportional Integration Differentiation) controller which is used to fine tune the oscillator and ensure that the generated frequency is within the required accuracy.

The oscillator can also be programmed for self-tuning and calibration if required. This allows for the oscillator to be finely tuned to the specific environment in which it is operating in order to ensure superior performance and accuracy.

Conclusion

The SIT9005ACU1H-25SJ is an innovative programmable oscillator that provides excellent frequency stability and precision in a variety of applications. With its wide range of features and capabilities, the SIT9005ACU1H-25SJ is sure to find use in a variety of applications.

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