SIT8208AC-21-18S-62.500000Y

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Oscillators - SIT8208AC-21-18S-62.500000Y

An oscillator is a device that produces a signal waveform regularly or periodically over many time scales. They usually consist of an electronic circuit that produces electrical signals at regular intervals of time. In communications and information technology, oscillators are used to generate carrier waves, while in audio equipment and digital electronics they are used to create sound signals or digital pulses. As a type of oscillator, SIT8208AC-21-18S-62.500000Y is a voltage-controlled temperature-compensated crystal oscillator (VCTCXO).

Application Field

The application field of SIT8208AC-21-18S-62.500000Y is chiefly telecommunications and embedded computers. It can operate reliably even in high temperature environment, so it is regularly used in products that require consistent performance in a wide range of temperature. It is perfect for products that have demanding frequency stability, like remote control systems, satellite communications equipment, Ethernet switches and routers, wireless LANs, and so on. Additionally, VCTCXOs are cost-effective and operate reliably in most electromagnetic-sensitive applications.

Working Principle

The SIT8208AC-21-18S-62.500000Y is temperature-compensated and voltage-controlled. It uses a temperature-compensated crystal oscillator (TCXO) featuring a proprietary "Quartzplus" temperature compensation circuit, which offers extremely precise frequency stability over a wide temperature range: -40 to +85°c. This provides superior performance compared to standard Quartz Crystal Oscillators (XO).

The oscillator has a wide frequency tuning range and a highly-accurate low temperature coefficient. The frequency stability of this oscillator over temperature is ± 0.1 ppm. The voltage-controlled feature makes it possible for equivalent frequency control over a wide range of supply voltages. The wider voltage-control range gives users more flexible performance options and the ability to operate at a lower voltage, which in turn helps reduce power consumption.

The SIT8208AC-21-18S-62.500000Y also comes with an optional internal frequency trimming capability, allowing fine frequency adjustment over a wide range of frequencies: 18 MHz to 62.5 MHz. This helps reduce overall component count and cost.

In conclusion, the SIT8208AC-21-18S-62.500000Y is an ideal component for telecommunications and embedded-computing applications. Its frequency stability over a wide temperature range, low temperature coefficient and voltage-controlled feature make it perfect for applications that require reliable, cost-effective operation.

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