SIT9005ACU1H-28NN

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Programmable oscillators, such as SIT9005ACU1H-28NN, are frequency sources that can generate and output a range of frequencies with different voltage amplitudes. The SIT9005ACU1H-28NN oscillator, in particular, is a quartz-based Programmable Oscillator featuring few pins and predefined characteristics such as a supply voltage range of 1.8 V to 3.3 V, an output frequency range of 0.125 MHz to 135 MHz, a phase noise of –120 dBc/Hz at 1 MHz and an operating temperature range of –40°C to +90°C. Below, the application field and working principle of the SIT9005ACU1H-28NN oscillator will be discussed in more detail.The SIT9005ACU1H-28NN is a quartz oscillator with a wide range of application possibilities. It is particularly suitable for low power applications such as power saving or sleep-mode applications, due to its lower operating voltage, allowing for switch-on times of less than one ms. In addition, its low supply current makes it suitable for battery-powered applications. Moreover, due to its defined characteristics and its wide output frequency range, the SIT9005ACU1H-28NN is often used in various circuit applications such as high-speed clock generators, digital signal processors, and its most common application, Ethernet communications. Thus, the SIT9005ACU1H-28NN oscillator is an ideal choice for any low power and high performance applications.The SIT9005ACU1H-28NN operates according to the Pierce oscillator principle. It has a quartz-crystal quartz oscillator, an amplifier and a feedback network. The quartz crystal is clamped between two electrodes, one of them connected to a positive voltage and the other one to a negative voltage. When the voltage on the electrodes is changed, the quartz crystal starts to oscillate. This is because the quartz crystal creates an alternating electric field and the oscillations occur when the voltage on the electrodes is shifted consequently. The amplifier then amplifies the oscillating voltage and sends it to the feedback network. This network consists of two capacitors and one resistor and its purpose is to control the frequency of the oscillating signal. Finally, the amplified oscillating output is delivered to the output terminal.In conclusion, the SIT9005ACU1H-28NN oscillator is an efficient and reliable frequency source suitable for low power applications. Its predefined characteristics, compact size, and wide output frequency range make it a perfect choice for a number of circuit applications, such as clock generators, Ethernet communications, power savings and sleep-mode applications. It operates according to the Pierce oscillator principle, which consists of a quartz crystal, an amplifier and a feedback network. The SIT9005ACU1H-28NN oscillator is undoubtedly a great and versatile frequency source for any circuit application.

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