SIT8008ACE1-XXS

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Programmable oscillators are the complex integrated circuits that are used to produce a clock signal, usually with a low-jitter frequency, within a system or device. SIT8008ACE1-XXS is an example of a programmable oscillator. It is used in various applications such as automotive, medical and instrumentation. SIT8008ACE1-XXS provides frequency up to 8.388 MHz and a wide range of output levels for frequency and for setting the start-up state.

The SIT8008ACE1-XXS is a precision oscillator containing six high-quality active components. It includes a switching regulator, a phase-lock loop (PLL), a frequency synthesizer, a temperature-compensated oscillator (TCXO), a voltage-controlled oscillator (VCO). The PLL contains an adjustable phase comparator and an N-divider to produce a stable clock frequency with low jitter. The PLL also features a programmable image rejection filter, a lock detection circuit and a noise filter. The frequency synthesizer adjusts the oscillator\'s frequency to a desired level, while the VCO changes the frequency by varying the supply voltage.

The SIT8008ACE1-XXS also contains an analog-to-digital converter (ADC) and a digital-to-analog converter (DAC) for controlling the frequency of the oscillator. The ADC allows the user to set the desired frequency using a three-level control. The DAC is used to adjust the reference voltage for the VCO and is also used to adjust the gain of the frequency synthesizer and the noise filter. The SIT8008ACE1-XXS can be used in temperature ranges from -40°C to 85°C without requiring an external controller.

The working principle of the SIT8008ACE1-XXS is quite simple. It consists of a phase-locked loop (PLL) with a voltage-controlled oscillator (VCO). The frequency of the VCO is controlled by the PLL by adjusting its output frequency according to the input frequency. The PLL also features a noise filter that helps reduce the amount of noise present in the output signal. When the input frequency is changed, the PLL adjusts the output frequency accordingly. The desired output frequency can be achieved by adjusting the frequency synthesizer and the noise filter.

The SIT8008ACE1-XXS is a versatile and reliable programmable oscillator. It can be used in a wide range of applications, such as automotive, medical, instrumentation and industrial control. Its ability to adjust the output frequency and noise filter makes it ideal for many applications. In addition, the SIT8008ACE1-XXS also offers low-jitter performance and is easy to operate.

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