SIT9003AC-1-25SB

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Programmable Oscillators, such as SIT9003AC-1-25SB, provide an accurate and versatile way to generate frequency signals. The SIT9003AC-1-25SB is a Spread-Spectrum Oscillator (SSO) that consists of an integrated phaselocked loop (PLL) and frequency synthesizer, offering a wide output frequency range, low phase jitter, and high stability. It is widely used in a variety of applications such as automotive, aviation, communication, industrial, and medical.

The SIT9003AC-1-25SB features a wide frequency range of 1-125MHz, and a wide output voltage range of 1.8 to 5.0V. It also features a variable gain control that can accurately adjust the amplitude of PLL output signals. Additionally, the on-chip EPROM allows for customizable configuration such as frequency resolution and pull ranges. The on-chip EPROM enables the quick and cost-effective change of frequency without compromising the quality of the device.

The SIT9003AC-1-25SB offers a number of advantages over traditional oscillators such as improved frequency stability, adjustable gain control, and the ability to customize its configuration. It also offers a low phase-noise and therefore has better performance in communications applications. Additionally, the SIT9003AC-1-25SB has low power consumption, high reliability, and a very low g-sensitivity.

The working principle of the SIT9003AC-1-25SB is based on a standard phase-locked loop (PLL). The PLL is an analog circuit which uses an oscillator to generate an output signal that is phase-locked to the input signal. The input signal can be either a periodic or a random signal. A phase-locked loop consists of four basic blocks: the oscillator, the phase comparator, the filter, and the voltage-controlled oscillator (VCO).

The oscillator generates a periodic signal that is used as the reference signal. The phase comparator then compares the phase of the reference signal to the phase of the input signal. The filter smoothes out the phase difference between the two signals, and the VCO adjusts the frequency of the output signal until the phase difference is minimal. Once the PLL reaches a stable status, the output frequency is locked to the input frequency.

The SIT9003AC-1-25SB is an ideal choice for a variety of different applications. By operating in a wide frequency range, the device can be used to generate frequencies for automotive, aviation, communication, industrial, and medical applications. Additionally, its high stability, low phase jitter and low power consumption make it suitable for use in high-end applications. Its ability to customize its configuration with the on-chip EPROM makes it an attractive option for many applications.

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