SIT9005ACL1H-25DO

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Programmable oscillators are widely used in today’s high-tech industry, often to adjust the frequency of digital circuits according to their specific application needs. One such oscillator is the SIT9005ACL1H-25DO, a programmable clock oscillator with a wide range of frequency operating from 250kHz to 125MHz. This type of oscillator has become especially popular in embedded systems, where its wide range of frequency can substitute multiple fixed frequency oscillators in a single circuit.

Application Field

The SIT9005ACL1H-25DO programmable oscillator is widely used in various applications due to its wide frequency range. Examples of such applications include:

• Embedded systems, such as microcontrollers, used widely in electronics, automotive, industrial and energy sectors.
• Communication systems, both wireless and wired, used for data and voice transmission.
• Computers and mobile devices.
• Instrumentation equipment and sensors, such as barometers and thermometers.
• Robotics and motion control.
• Audio and video equipment.

The small size, superior performance and wide range of frequencies make the SIT9005ACL1H-25DO ideal for all sorts of designs: from board level to small form factor applications.

Working Principle

The working principle of the programmable oscillator is relatively straightforward. The oscillator includes an oscillator chip, which contains an internal charge pump and capacitors, and a frequency setting resistor, which is used to adjust the frequency of the oscillator. The clock signal generated by the oscillator is sent to the output pin for further usage.

When the resistor is adjusted, the capacitance on the internal charge pump will be changed in order to control the oscillation frequency of the oscillator. The frequency setting resistor is connected to the additional capacitors, which further adjust the frequency by increasing or decreasing its capacitance.

In addition to the frequency setting resistor and additional capacitors, the SIT9005ACL1H-25DO also includes an Amplitude setting resistor, which controls the amplitude of the oscillating signal. This helps to reduce power consumption and improve the reliability of the oscillator.

Conclusion

The SIT9005ACL1H-25DO is a wide range programmable oscillator, which finds application in embedded systems, communication systems, computers and multimedia equipment, instrumentation and robotics. Its working principle consists of an oscillator chip, frequency setting resistor, additional capacitors and amplitude setting resistor. Due to its wide range of frequency and reliability, this type of oscillator is used for many different purposes.

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