SIT1602ACA8-18E

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Programmable oscillators are an important type of key components in any type of electronic circuits. They provide accurate timing signals which can be used to control the rate of data transmission and coordination of various electronic devices. The SIT1602ACA8-18E is a type of programmable oscillator designed by Shanghai Tianyi Electronic Technology Co., Ltd., offering a suite of stable, low noise and low current consumption performance applications. This article will illustrate its application fields, as well as its working principle.

Application Field

SIT1602ACA8-18E is widely used in many kinds of RFID and digital video applications, such as in mobile phones, routers and portable multimedia players. The range of its applications is quite expansive, and includes controlling the frequency and duration of the clock signal for enhanced digital communication, providing the reference clock rate for ATM systems, and the frequency control for USB 2.0 operations. Due to its low power consumption and small size, this programmable oscillator is perfect for integration into wider systems. Its low cost and versatility also make it a popular choice for manufacturers.

Working Principle

The core of the programmable oscillator SIT1602ACA8-18E consists of three components: a microcontroller, a crystal oscillator, and a tuned CMOS oscillator circuit. The microcontroller acts as the control center of the circuit. It processes commands from the host system and adjusts the parameters of the crystal oscillator and the tuned CMOS oscillator circuit. Then, the crystal oscillator will generate a basic frequency which will be used to drive the CMOS oscillator. The CMOS oscillator comprises an inductor, a resistor, and a transistor. By tuning these components, the resulting output frequency can be set to the desired value.

In addition, the SIT1602ACA8-18E is equipped with an inbuilt digital signal processing circuit. This circuit can intelligently detect the output signal, adjust it in real time, and reduce EMI interference. With an output frequency range of 400 kHz to 1.5 GHz, this programmable oscillator can be applied to a wide range of applications.

Conclusion

In summary, the SIT1602ACA8-18E is a popular programmable oscillator that provides a multitude of features, including low power consumption, high stability, low noise accuracy and wide frequency range. It is suited for a wide variety of applications, such as RFID, digital video and USB 2.0. Its combination of microcontroller, crystal oscillator and tuned CMOS oscillator circuit enable it to accurately generate frequency and timing protocols with minimal power consumption and EMI interference.

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