SIT9120AC-1BF-25S166.666000G

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Oscillators are components used in electronic circuits to generate periodic signals such as sine or square waves. They enable functions such as frequency division and synchronization, and the generation of high frequencies in microwave and radio-frequency communications. SIT9120AC-1BF-25S166.666000G is one type of oscillator. Its application fields and working principales are described in this article.

SIT9120AC oscillator is a low jitter and highly stable fundamental mode crystal oscillator. It uses the trustworthiness and stability of fundamental mode quartz crystals with the frequency range from 6.5MHz to 40MHz. Its high quality is suitable for consumer electronics, telecom, and data communications.

The frequencies of oscillators are determined by the physical characteristics of the components used and the formula used to calculate the frequency. A quartz crystal is used in SIT9120AC. The frequency it generates is determined by the crystal\'s physical properties and the driving voltage applied to the crystal. This oscillator can generate frequencies from 6.5 MHz to 40 MHz, with a temperature in the range -40°C to 85°C.

SIT9120AC oscillator provides output waveforms with an accuracy of ±3ppm. This oscillator can operate in both the fundamentals mode and the overtone mode, which improves its stability over frequency, temperature, and other parameters. When operating in overtone mode, it ensures frequency accuracy and stability at high-temperature values.

SIT9120AC adopts a voltage control oscillator to achieve a high frequency stability. The voltage control oscillator is a circuit composed of a voltage controllable oscillator, temperature compensation network and frequency control modulator and other components. The external control voltage is used to compensate the frequency error caused by various environmental factors (such as temperature changes or power supply changes).

SIT9120AC oscillator can be used in a variety of industrial frequency control applications, such as clock and data recovery, clock synchronization, clock distribution, digital signal processing and wireless communication. It is also used for precision frequency control and timing applications, such as time and frequency reference for test and measurement, and GSM and TDM reference clock synchronization of mobile communication systems.

The working principle of SIT9120AC oscillator is simple. The crystal resonator is connected to an amplifier, such as an inverter, and the output of the amplifier is then fed back to the input of the amplifier. The oscillator is designed so that the feedback loop causes the output signal to periodically toggle between two states. The amplifier amplifies the signal so that the output has greater amplitude and power than the signal received by the input.

The frequency at which the signal oscillates is determined by the physical properties of the components used and the formula used to calculate the frequency. When the oscillator is in operation, the crystal resonator works in electrical capacity with the electrodes of the components and the driving voltage applied to the crystal. The electrical circuits of the oscillator also include additional components, such as capacitors and resistors, which affect the frequency output of the oscillator.

In summary, SIT9120AC is a high-performance, highly stable frequency inserter. It is widely used in various frequency control and timing applications, such as consumer electronics, telecom, and data communications. Its frequency range is from 6.5 MHz to 40 MHz, with a temperature range from -40°C to 85°C, with an accuracy of ± 3ppm. The oscillator uses an amplifier to amplify the output signal, and the frequency is determined by the physical properties of the components and the driving voltage.

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