SIT9121AC-2D2-33E156.253906Y

Oscillators are used in an array of applications from electronics to electrophysics and are essential components in modern communication and computing devices. The SIT9121AC-2D2-33E156.253906Y is a specialized oscillator used in the telecommunications industry. This article looks at the application field and working principle of this oscillator.

Application field
The SIT9121AC-2D2-33E156.253906Y oscillator is capable of frequency synthesis in either a low power stand-by or active frequency operation. This allows for the implementation of an on-demand clock system that can only generate clock cycles when required. The device is also capable of generating a low-frequency clock, such as a 156.253906 kHz clock, that is outputted through a differential signal.These attributes make the SIT9121AC-2D2-33E156.253906Y suitable for a variety of applications requiring low-power and low-frequency clocks. These applications include digital television, wireless communication, remote control, security and medical monitoring, automotive and more.Working Principle
The SIT9121AC-2D2-33E156.253906Y oscillator is a frequency synthesizer based on two integrated circuits (IC). The first IC contains a voltage controlled oscillator (VCO) and a reference divider connected to the VCO input. The VCO is used to generate the output clock signal for the oscillator. The reference divider is used to provide a reference signal to the VCO input, and it is adjustable to change the output frequency.The second IC contains a phase-locked loop (PLL) circuit that is used to control the phase of the output signal relative to the reference signal. The PLL circuit is able to sense the phase difference between the two signals and adjust the VCO output frequency accordingly, ensuring a precise and stable output frequency.In addition to the two ICs, the SIT9121AC-2D2-33E156.253906Y oscillator also contains other components such as capacitors, resistors and diodes which are used to regulate the voltage and current of the circuit and provide protection from transient signals.Conclusion
The SIT9121AC-2D2-33E156.253906Y oscillator is ideal for applications that require low-power and low-frequency clocks. It consists of two integrated circuits that allow it to generate a precise and stable output frequency by leveraging a VCO and a PLL circuit. The oscillator is also capable of frequency synthesis in either a low power stand-by or active frequency operation making it suitable for a variety of applications.