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Oscillators

Oscillators refer to electronic circuit components that convert DC electricity source into AC electrical signals of various shapes, usually sine, square wave, triangular wave, sawtooth wave, etc., to achieve the purpose of signal processing. This article will analyze the application field and working principle of SIT1602BC-71-18N-40.000000G oscillators.

Application Field

The SIT1602BC-71-18N-40.000000G oscillator is widely used in various applications, such as computers, cell phones, control systems, audio equipment, measuring equipment, copiers, TVs, radios, recording equipment, cameras, and more. With its frequency band up to 0.1 to 40.00MHz, it is suitable for low frequency signal generation. For example, it is used as signal source to actualize communication between computer and peripheral device or process control of industrial equipment.

Working Principle

The working principle of SIT1602BC-71-18N-40.000000G oscillator is based on the combination of BJT transistors and quartz resonators. Quartz is a piezoelectric material. It consists a quartz crystal and electrodes on two sides of the crystal plate. When a current runs across the quartz crystal and produces an electrical charge, the quartz crystal will deform due to the electromechanical effect, resulting in a vibrational wave. BJT is a three-terminal device consisting of two PN junctions. Its basic structure includes the emitter, base and collector. When two junctions are forward biased and the base-emitter junction is reverse biased, the current through the base will control the current running between the emitter and collector.

The SIT1602BC-71-18N-40.000000G oscillator combines BJT and quartz crystal. A specific frequency voltage will be provided when a voltage runs across the crystal. The BJT works as a switch. With the combination of BJT and quartz, a sinusoidal wave of specific frequency will be generated when the BJT closes and the quartz crystal vibrates. Finally, the quartz crystal, BJT transistors and related components can generate an oscillatory signal with regular shape.

Conclusion

To sum up, SIT1602BC-71-18N-40.000000G oscillator is applicable to different areas due to its wide frequency band from 0.1 to 40.00MHz, with its working principle based on the combination of quartz crystal and BJT transistors. With this oscillator, low frequency signal generation can be achieved, which is necessary for communication between computer and peripheral device or process control of industrial equipment.

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