SIT9005ACU2H-18ND

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Programmable oscillators offer many advantages for electronic design. SIT9005ACU2H-18ND is a typical programmable oscillator. This article will discuss SIT9005ACU2H-18ND\'s application fields and working principles.

What Is Programmable Oscillator

A programmable oscillator is an oscillator circuit that uses a microcomputer to adjust the output frequency. It uses some kind of programmable memory device, such as a read only memory (ROM), an erasable programmable read only memory (EPROM) or an electrically erasable programmable read only memory (EEPROM), to alter the user\'s oscillating frequency.

Use of Programmable Oscillator

Programmable oscillators are widely used in the fields of instrumentation, communication, navigation and remote control. They are also common in circadian rhythm biological clock work, low-noise oscillators, waveform shapers and frequency synthesizers. Programmable oscillators are often used to create custom frequencies in electronic digital systems and for communication purposes.

SIT9005ACU2H-18ND Overview

SIT9005ACU2H-18ND is a programmable oscillator with a frequency range of 13MHz to 75MHz and a voltage of 2V. It has a high start-up frequency adjustment accuracy and low phase noise. The oscillators offer a high-impedance output, flexible frequency scheme and fast start-up capability, making them ideal for a wide range of applications.

SIT9005ACU2H-18ND Application Field

SIT9005ACU2H-18ND programmable oscillators are ideal for applications requiring high-frequency start-up and low phase noise, such as instrumentation, navigation, communication, and low-noise oscillators. They are also suitable for use in digital signal processing systems and frequency synthesizers.

SIT9005ACU2H-18ND Working Principle

The SIT9005ACU2H-18ND programmable oscillator is based on a voltage controlled oscillator(VCO) architecture. The VCO consists of a VCO core and a feedback loop. When a control voltage is applied to the VCO, it can generate oscillation with a frequency proportional to the control voltage. The modulated signal is then fed back in the form of an analog signal and fed to the control input.The SIT9005ACU2H-18ND oscillator utilizes a microcontroller to program the output frequency. It uses a digitally programmable potentiometer to adjust the feedback voltage of the VCO. The microcontroller is used to program the output frequency by adjusting the feedback voltage according to the desired output frequency.

Conclusion

In conclusion, SIT9005ACU2H-18ND is a programmable oscillator with a wide range of application fields. Its working principle is based on a voltage-controlled oscillator architecture, which utilizes a microcontroller to program the output frequency. It has a high frequency adjustment accuracy and low phase noise, making it ideal for use in instrumentation, navigation, communication and low-noise oscillators.

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