SIT9005ACB2H-XXEB

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Programmable oscillators provide an ability to accurately control analog output frequency. They are most frequently used in digitally controlled oscillators (DCOs), phase-locked loops (PLLs), and frequency synthesizers. SIT9005ACB2H-XXEB is a programmable oscillator providing a low jitter output with an adjustable frequency range between 0.2 to 8 MHz. It can be used in variety applications and industrial devices. This article provides a detailed technical overview of the SIT9005ACB2H-XXEB programmable oscillator, discussing its application fields and working principle.

Application Field

The SIT9005ACB2H-XXEB is versatile enough to be employed for a range of applications for low-jitter, high frequency performance. Its optimal application field is primarily used for radio frequency (RF) and radio communication systems. This oscillator can also be used in diverse computer systems, including server systems, storage systems and consumer electronic products, as well as electronic measuring equipment, military and consumer communication systems.

In RF and communication systems, the SIT9005ACB2H-XXEB programmable oscillator can be employed for local oscillator stages and frequency multipliers, carrier frequency modulation, frequency hopping and clock generation application stages. The outlined application areas for the SIT9005ACB2H-XXEB include security systems, MRI, multimedia applications, telecoms, mobiles, radio systems and signals for the Internet-Of-Things (IoT).

Working Principle

The SIT9005ACB2H-XXEB is a programmable oscillator providing a low jitter output with the frequency range from 0.2 to 8 MHz. The oscillator can generate an adjustable analog output frequency with a frequency range determined by the spot frequency selection. The frequency range of the oscillator is controlled by the combination of an amplifier and a comparator in the control circuit.

The oscillator works by regulators providing a constant voltage and the voltage variable resistor of the substrate. The variable resistor, which is the substrate, is generating the stable frequency range through some internal components in the amplifier: collector resistor and emitter resistor, base resistor and reference frequency. The combination of the variable voltage regulator and variable resistor provides a variable current that varies the frequency. Due to the comparator feedback loop, the amplifier’s output voltage, and thus frequency, remains controlled.

The frequency can be tuned or adjusted using the SIT9005ACB2H-XXEB programming features. The frequency range of the oscillator can be adjusted using an external resistor, and the output frequency can be changed using the on-board trim capacitors. These features are enabled through the remote oscillator communication lines enabled on the SIT9005ACB2H-XXEB programmable oscillator.

Conclusion

The SIT9005ACB2H-XXEB programmable oscillator is ideally suited for use in radio frequency and communication systems. It is a low-jitter oscillator with an adjustable frequency range between 0.2 to 8 MHz. It is suitable for producing high frequency signals for variety electronic devices, such as consumer electronic products, military and consumer communication systems, computer systems and electronic measuring equipment. The working principle of the oscillator revolves around its ability to generate an adjustable analog output frequency with a frequency range determined by the spot frequency selection.

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