SIT8008BIB7-33N

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Introduction

SIT8008BIB7-33N is a type of programmable oscillator classified under the Programmable Oscillators family. Programmable Oscillators, also known as programmable crystal oscillator (OCXO), are widely adopted in modern applications due to their robustness and capability of providing accurate and stable frequency output, with wide range and high accuracy level.

Application Field and Working Principle

Programmable Oscillators are popularly used in diverse applications, such as communication, controlling, regulating, sensing, timing and synchronization amongst others. Additionally, they are widely used in various fields, like aerospace, medical and military.

The working principle of SIT8008BIB7-33N is based on the circuit of a quartz crystal, with a feedback amplifier and tuned circuit. The circuit is tuned in order to oscillate at the frequency determined by the quartz crystal. The quartz crystal is embedded in the device and controlled via a voltage-controlled oscillator (VCO) or programmable PLL. The VCO, in turn, is connected to a frequency synthesizer that sets the frequency of the crystal. As such, vibrations at an exact frequency are produced by the crystal, which is then amplified by the feedback amplifier and shaped through the tuned circuits. The response levels are adjustable depending on the ratio between the feedback amplifier and the tuned circuits.

SIT8008BIB7-33N is characterized by the following features: frequency range between 8.000 MHz to 50.000 MHz; low-jitter (<200fs); power supply 3V/3.3V; and frequency stability down to ±10ppm. Also, it includes an internal frequency adjust option and programmable output ranging from LVPECL to LVDS.

Conclusion

SIT8008BIB7-33N is a type of programmable oscillator classified under the Programmable Oscillators family. It is suitable for a wide range of applications, such as communication, controlling, regulating, sensing, timing and synchronization, and is characterized by the following features: frequency range between 8.000 MHz to 50.000 MHz; low-jitter (<200fs); power supply 3V/3.3V; and frequency stability down to ±10ppm. Also, it includes an internal frequency adjust option and a programmable output ranging from LVPECL to LVDS. Through its working principle, the circuit is able to provide a robust and accurate frequency output.

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