FXTC-HE73PR-74.25 MHZ

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Oscillators are electronic components designed to generate repetitive signals of a predetermined form.  The FXTC-HE73PR-74.25 MHz oscillator is an example of such a component, its application field and working principle will now be explored.

Description & Application Field

The FXTC-HE73PR-74.25 MHz oscillator is a high frequency component that provides a very precise output frequency, and meets the Sine Wave Output Frequency Stability specification of ±30 ppm across the temperature range of -20°C to +70°C. It also provides an output voltage range of 1.8 to 5 VDC. As it is capable of generating a consistent and highly precise signal, it is commonly used in telecommunications, computing, and timekeeping applications.

Working Principle

The FXTC-HE73PR-74.25 MHz oscillator utilizes quartz crystals to generate its precise frequency output. A quartz crystal consists of a quartz plate to which a charge is applied. This charge causes the quartz to vibrate at a very precise and consistent frequency, determined by its size and shape. The frequency generated by the quartz is then amplified by an amplifier circuit and frequency-controlled by a controllable bias circuit, before being output as an electrical pulse.

The remaining circuitry within the oscillator helps to ensure stable and consistent operation. Circuitry such as the temperature compensator ensures that the oscillator continues to produce a consistent signal, regardless of changes in ambient temperature levels. Other circuitry such as the current-limiting resistor helps to reduce power consumption, improving long-term reliability. Additionally, various capacitors and varistors are included to reduce noise and protect against voltage spikes.

Conclusion

The FXTC-HE73PR-74.25 MHz oscillator is an electronic component designed to generate a very precise frequency output, suitable for computations, telecommunications and precision timekeeping applications. It utilizes quartz crystals to generate the frequency, and by careful design, is able to ensure consistent and reliable operation with minimal power consumption.

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