SIT9002AC-28N33DD

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Programmable oscillators are considered as a type of electronic components that can generate stable frequency signals. The SIT9002AC-28N33DD is among the most widely-used programmable oscillators in the market. It is a 28 MHz full-size SMD oscillator that can operate in both operating temperature range and storage temperature range of - 40°C to +125°C.

The key application of the SIT9002AC-28N33DD is in PCB design, especially in the industry of consumer electronics, embedded systems, automotive and aerospace. This oscillator provides a high level of accuracy, stability and reliability for the PCB design. It is suitable for wide range of frequencies and tolerance of ±25ppm which keeps the signals very precise.

The working principle of the SIT9002AC-28N33DD can be divided into three parts. Firstly, a quartz oscillator is utilized to generate the clock frequency of 28MHz. Secondly, a temperature-compensated oscillator (TCXO) is used to calibrate and control the frequency stability. Lastly, a voltage controlled oscillator (VCO) is utilized to precisely adjust the signals.

The quartz oscillator produces a quartz crystal resonant frequency to achieve precise stability. The temperature-compensated oscillator utilizes external temperature sensors to detect and filter destabilizing interference of outside temperature to keep the frequency stable. Finally, the voltage controlled oscillator can be adjusted to lower and higher frequencies to meet specific design requirements.

The combination of all these components enables SIT9002AC-28N33DD to provide users with highly stable frequency signals. It is also extremely small in size and has low power consumption level that makes it a preferred choice for many industrial applications.

In conclusion, SIT9002AC-28N33DD is an ideal option for PCB design, especially in the consumer electronics, embedded systems, automotive and aerospace industries. Its precise accuracy, stable frequency and reliable performance makes it a first choice programmable oscillator.

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