SIT8009BIE11-28E

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Programmable oscillators are electronic components that produce a periodic waveform with a selectable frequency and phase. This makes them well suited for a variety of applications such as temperature controllers, precision timing and frequency control in communications or industrial applications. One such programmable oscillator is the SIT8009BIE11-28E.

The SIT8009BIE11-28E has frequency range from 10MHz-800MHz with a wide range of phase shift flexibility. It is a programmable dual phase-locked loop (PLL) oscillator with integrated digital-to-analog converters for frequency and phase control. It is operated using a 3.3V linear supply and has a temperature range from -20°C to 85°C. The device also features variable delay line between the PLL outputs and the voltage controlled oscillator (VCO) inputs that allows for tuning of PLL output frequency.

The SIT8009BIE11-28E is actually two separate PLL oscillators and a voltage-controlled oscillator (VCO). Each PLL has got a frequency control port that is used to tune the output frequency. The frequency output can be adjusted in small steps and nulled to 0Hz. The VCO output can be adjusted slightly to allow for a very precise output frequency. The VCO also has a voltage controlled output which can be used to adjust the overall frequency range.

The SIT8009BIE11-28E has a wide range of applications such as timing control in mobile communication systems, precision frequency control in medical, audio and consumer applications, and other timing and frequency control in industrial and aerospace applications. It can provide an accurate and precisely tuned waveform to drive other components. It can also be used for frequency synthesis in digital signal processers or to generate a precise frequency reference in systems.

The working principle of the SIT8009BIE11-28E is based on a phase-locked loop principle. Its two separate PLL circuits are used to control the voltage controlled oscillator (VCO). The VCO output is then fed to the PLLs and the output frequency is precisely controlled and tuned in small steps. This PLL principle is very stable and accurate, which allows for precise frequency tuning and control. It also uses a linear 3.3V supply, which makes it suitable for a wide range of applications.

In conclusion, the SIT8009BIE11-28E programmable oscillator provides a precise and stable waveform with precise frequency and phase control. It is well suited for a range of applications such as timing control in mobile communication systems, audio and consumer applications, and other timing and frequency control in industrial and aerospace applications. Its wide range of frequency range, integrated digital-to-analog converters and adjustable delay line, make it ideal for precise frequency control.

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