SIT9002AC-38H33DB

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Programmable oscillators are a type of oscillator circuit which can be adjusted or programmed to output a specific frequency or range of frequencies. The SIT9002AC-38H33DB is a programmable oscillator, which is commonly used in many industries. This article will discuss the application field and working principle of this oscillator.

Application Field

The SIT9002AC-38H33DB programmable oscillator is designed for applications that involve high performance, ruggedness, and controlled motion. In terms of motion control, this oscillator can produce a frequency range that is adjustable over a wide range, allowing for precise frequency control. This makes it ideal for applications such as servo motor control, robotic arms, and more. In terms of ruggedness, the oscillator is designed to operate reliably in environments such as vibration, shock, and temperature extremes.

The SIT9002AC-38H33DB is also well suited for embedded applications. It is able to generate signals necessary for microcontroller operations, such as clock signals, as well as generate trains of output pulses and handshake signals. The programmable oscillator is also used in radio frequency and communications applications, due to its ability to generate precise RF signals.

Working Principle

The SIT9002AC-38H33DB oscillator uses an phase-locked loop (PLL) circuit, which allows the oscillator to be programmed to produce stable and consistent frequency output. The PLL circuit consists of a phase detector, low-pass filter, voltage-controlled oscillator (VCO), and feedback loop to the phase detector. The phase detector compares the phase of a reference signal, typically a clock signal from a crystal resonator, with the phase of the output signal from the oscillator. The output of the phase detector is filtered to remove noise and sharp edges from the signal and is used to adjust the frequency of the oscillator.

The voltage-controlled oscillator is the main component of the oscillator circuit. The oscillator is composed of an inductor, a capacitor, and a transistor, or other active device. The output of the phase detector is used to adjust the frequency of the oscillator by changing the bias on the transistor or other active device. The frequency of the output of the oscillator can be programmed to a specific frequency, or range of frequencies, by adjusting the voltage of the bias.

In order to ensure a precise output frequency, the SIT9002AC-38H33DB oscillator can also be calibrated. This is done by connecting the oscillator to an external frequency counter and then adjusting the components of the oscillator until the desired frequency is produced. The components are adjusted until the response of the oscillator is within an acceptable range for the desired application.

Conclusion

The SIT9002AC-38H33DB programmable oscillator is a reliable and accurate device which can be used for applications requiring precise frequency control. Its main applications include motion control, embedded systems, radio frequency, and communications. The oscillator uses a phase-locked loop circuit, which consists of a phase detector, low-pass filter, voltage-controlled oscillator, and feedback loop to the phase detector. The output frequency can be programmed by adjusting the bias of the oscillator, and the oscillator can be calibrated to ensure a precise output. All in all, the SIT9002AC-38H33DB is one of the most reliable and accurate programmable oscillators available.

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