GL045F35IDT

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Crystals are widely used in the electronics industry. In particular, the GL045F35IDT crystal is useful for shortwave modulation applications. It has two important characteristics that make it suitable for this use: its frequency stability and its temperature stability. In this article, we will discuss the application field and working principle of the GL045F35IDT crystal.

Application Field

The GL045F35IDT crystal is widely used in shortwave communication systems. In shortwave communication systems, such as radio broadcasting or shortwave telephone communications, a modulated signal is used to transfer digital information or analog audio signals over a radio frequency. This modulated signal is generated by the transmitter and received by the receiver. To ensure reliable communication, the frequency of the modulated signal should be as stable as possible. This is where the GL045F35IDT crystal proves to be an invaluable component.

The GL045F35IDT crystal has a frequency accuracy of 0.5ppm within a temperature range of -35°C to +85°C and can be used to modulate signals in the frequency range of 1 to 30 MHz. It also has an acceleration sensitivity of less than 0.9-2.2 ppm/g which makes it suitable for use in high acceleration and continuous vibration environment. As a result, the GL045F35IDT crystal is the ideal choice for shortwave communication systems.

Working Principle

The GL045F35IDT crystal works by generating an electrical signal at a precise frequency. This is done by applying a voltage across the two electrodes on the crystal. The frequency of the output signal is determined by the size and shape of the crystal and is also influenced by the load capacitance. The frequency accuracy of the GL045F35IDT crystal is determined by the size and temperature coefficient of the crystal. The crystal needs to be temperature-stabilized to ensure the frequency accuracy remains within the desired range.

There are two main methods of temperature-stabilizing the GL045F35IDT crystal. The first is by enclosing the crystal in a sealed package. The package is designed to prevent the entry of contaminants and to ensure the temperature within the package is stable. The second method is by using a temperature-compensated oscillator. In this method, a compensatory circuit is used to monitor the temperature and to adjust the oscillator frequency accordingly. The combination of the two methods ensures the oscillator frequency remains accurate and stable.

Conclusion

In conclusion, the GL045F35IDT crystal is ideal for shortwave communication systems because of its frequency accuracy, temperature stability, and acceleration sensitivity. It is capable of modulating signals in the frequency range of 1 to 30 MHz and can be temperature-stabilized by either a sealed package or a temperature-compensated oscillator. This makes the GL045F35IDT crystal an invaluable component for radio communication systems.

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