SIT9005ACA1D-XXNI

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Programmable Oscillators are specialized circuits that generate a range of output frequencies from a reference oscillator. They are characterized by their wide frequency range and accuracy. One notable example is the SIT9005ACA1D-XXNI.

The SIT9005ACA1D-XXNI is a voltage-controlled oscillator (VCO) with a frequency range of 1.25 -150 MHz. It has a size of 50 x 20mm and is optimized for further miniaturization. The VCO supports both digital and analog modulation formats and has a low noise level essential for embedded systems. In addition, it provides excellent phase noise performance, making it suitable for a variety of commercial applications including communications systems, medical equipment, and sensitive instrumentation.

The SIT9005ACA1D-XXNI is operated with a voltage regulator and a power supply. It requires two external high-accuracy analog and digital signals for synchronization and frequency selection. The output frequency of the VCO is determined by an array of capacitors and an oscillator core that generates a reference signal. This reference signal is then multiplied to create a range of output frequency levels

The SIT9005ACA1D-XXNI has several major application fields. In communications systems, it is used in radio receivers, base-station equipment and frequency synthesizers. In medical equipment, it is used as an oscillator for pulse repeat rate measurement. In sensing instruments, it provides accurate and stable signals. And finally, it is also used as an instrument for laboratory testing.

The SIT9005ACA1D-XXNI operates on a simple principle of dividing a high frequency reference signal. This is done by using a capacitor array to alter the output frequency in an orderly manner. The capacitors are connected to the VCO core and the voltage regulator. The voltage regulator sends a signal to the core and the capacitor array adjusts the output frequency according to the signal. The SIT9005ACA1D-XXNI also supports digital control and synchronization by providing an external reference signal.

In summary, the SIT9005ACA1D-XXNI is a high-performance VCO with a wide range of frequency outputs. Its applications include radio receivers, base-station equipment, medical equipment, sensing instruments and laboratory instruments. It is characterized by excellent phase noise performance and is equipped with a voltage regulator and power supply. Its working principle is based on a high-frequency reference signal being divided by the capacitor array.

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