SIT8008BIA8-18E

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Programmable oscillators allow designers of electronic circuits to produce a required frequency accurately while conserving board space.
The SIT8008BIA8-18E is a typical example of a programmable oscillator which is often used in today\'s electronics designs.

Introduction of SIT8008BIA8-18E

The SIT8008BIA8-18E is a fully programmable 8-pin oscillator with center frequency range from 8 to 18MHz, and the output\'s frequency stability can reach 10ppm. This programmable oscillator also offers an industry-wide selection of frequency, voltage, temperature and load conditions, ideal for a wide range of applications. It also comes in a range of package sizes, from 6 to 8 leads, with an SOIC-8 footprint for use with different circuit designs.

Application Field of SIT8008BIA8-18E

The SIT8008BIA8-18E is mainly used as a clock generator in precision electronic systems, as it can be programmed to generate clock signals with a wide frequency range. It is most commonly used in embedded PCBs, data acquisition systems, and test and measurement applications. Other common applications include automotive, military and aerospace systems where accurate timing is essential. Additionally, the SIT8008BIA8-18E can be used for networking, communications, telecom and automotive systems.

Working Principle of SIT8008BIA8-18E

The SIT8008BIA8-18E is a digitally controlled, programmable crystal-based oscillator that uses a crystal oscillator as its primary frequency reference. The oscillator is connected to a voltage-controlled oscillator (VCO) through a high impedance coupling capacitor, and the output of the VCO is connected to a drive circuit that controls the current to the crystal. The drive circuit is sensitive to frequency changes and is controlled by the reference voltage supplied to it. The drive circuit can be programmed to change the frequency of the crystal oscillator up or down. The output of the oscillator is then determined by the frequency of the crystal, as well as the voltage-controlled oscillator circuit.

The SIT8008BIA8-18E uses an in-system programmable (ISP) device to access and change the oscillator\'s programming parameters, such as frequency, phase noise, harmonic distortion, and output power. The ISP device is connected to the oscillator\'s VCO circuit, and this is used to program the crystal oscillator\'s frequency. The ISP is connected to the oscillator\'s external pin or pins, and this is used to select the frequency, desired output power, and other parameters.

Conclusion

The SIT8008BIA8-18E is a fully programmable 8-pin oscillator with a center frequency that ranges 8 to 18MHz. It is mainly used in embedded PCBs, data acquisition systems and test and measurement applications, where accurate timing is essential. It uses a digitally controlled, programmable crystal-based oscillator to generate clock signals with an in-system programmable device that can access and change the oscillator\'s programming parameters. Thus, the SIT8008BIA8-18E is an ideal choice for a wide range of demanding applications where accurate clock generation and timing are critical.

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