SIT9005ACA2D-18NG

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Programmable oscillators are among the most common frequency control components used in a wide array of applications from consumer electronics to aerospace and military sectors. Although a variety of technologies exist for frequency control today, using programmable oscillators offers users a simple and cost-effective solution for frequency control. Furthermore, as technology advances and new programmable oscillators are released, the user base continues to grow. One such example of a modern programmable oscillator is the SIT9005ACA2D-18NG.

The SIT9005ACA2D-18NG is a digitally controlled, programmable oscillator that operates from 18-300MHz. The device offers total frequency accuracy up to 3ppm and programmable output voltage (1.8V/2.5V/3.3V). The oscillator can be programmed with a serial two-wire interface of I²C bus protocol. With its high frequency accuracy and programmable voltage output characteristics, the SIT9005ACA2D-18NG programmable oscillator is an ideal solution for applications such as GPS systems, wireless communications, medical imaging, and other high-precision applications.

The SIT9005ACA2D-18NG programmable oscillator works by utilizing a combination of a voltage-controlled crystal oscillator (VCXO), digital frequency tuner, and precision analog circuitry. The VCXO is connected to a frequency tuning diode that is regulated by the input voltage. The voltage regulation causes the resonant frequency of the VCXO to change and thus the frequency of the output waveform. The output of the VCXO is then compared to a reference clock and the digital frequency tuning circuit then adjusts the voltage regulation on the frequency tuning diode to maintain the oscillator at the desired frequency.

The micro-architecture of the SIT9005ACA2D-18NG programmable oscillator also includes several features that make it a suitable choice for a wide range of applications. The oscillator has a built-in phase-locked loop (PLL) circuit that helps to reduce deviation from the set frequency and has a very low phase noise of -93dBc/Hz at 100KHz. In addition, the device also features frequency hop features that enable stable output operation over wide frequency range, a built-in loop filter for noise rejection, and voltage source selection options. All these features work together to offer superior performance over a wide range of programmable oscillator applications.

Overall, the SIT9005ACA2D-18NG is an ideal solution for those who require precise frequency control, low phase noise, and low power consumption. The device offers an extensive range of programmable options, excellent performance, and is suitable for use in a wide range of applications. By offering these features and benefits, the SIT9005ACA2D-18NG programmable oscillator is an ideal choice for a variety of frequency control applications.

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