SIT8208AC-8-33S

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Programmable Oscillators are a type of signal generator that generate electrical signals with a measurable frequency. Oscillators are typically classified as either linear (analog) or digital (component-level logic). Programmable Oscillators are typically based on a combination of both, offering users the ability to program them to function with different circuits and frequencies. The SIT8208AC-8-33S is such a programmable oscillator.

SIT8208AC-8-33S is a 40.0 ⁣MHz low-power and low-jitter programmable oscillator, designed with advanced Silicon distributed feedback resonator technology. This oscillator is suitable for any frequency within the specified frequency range, which extends up to a maximum frequency of 40.0 ⁣MHz with a minimum frequency of 1.0 ⁣MHz. Its low-power consumption reduces the total power dissipated in the system, resulting in better thermal performance and longer design life. Additionally, SIT8208AC-8-33S offers excellent jitter performance at low frequency as well as at higher frequencies. That makes it ideal for applications that require low jitter.

In terms of application field, SIT8208AC-8-33S can be used in a wide range of applications, including microprocessors, model control systems, communication protocols, frequency control, and precision timing control. For example, it can be used to obtain precise frequency control in Passive Optical Network (PON) applications, such as Intra PON (IPON), Ethernet PON (EPON) and/or Gigabit PON (GPON). SIT8208AC-8-33S also can be used in applications such as modems, access points, or Industrial Ethernet products, along with high-speed serial and parallel data transmission systems, for example, PCIe and Ethernet.

As for its working principle, SIT8208AC-8-33S uses a Silicon Distributed Feedback (SDF) resonator to generate its frequency output. A SDF resonator is essentially a quartz crystal encased in a metal enclosure. The metal enclosure changes the capacitance and inductance of the quartz crystal, creating a resonance frequency. The resonator is then connected to an amplifier which amplifies the output frequency from the resonator. The frequency of the output can be programmed by either changing the voltage applied to the oscillator, or by changing the size of the metal enclosure. The amplified output is then sent to both the input and output pins on the oscillator.

The major advantage of the SIT8208AC-8-33S oscillator is its programmability - it is able to provide users with a precise frequency output that can be precisely tuned to meet their needs. This makes it ideal for a wide range of different applications, since it can provide frequencies that are both accurate and consistent. Additionally, its low power consumption, low jitter performance, and high frequency range make it especially suitable for communications, PON, and other applications requiring precise timing control.

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