AX7PBF2-470.0000C

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Oscillators

Oscillators are electronic circuit components used to generate a repetitive signal waveform and have multiple applications. With their low-cost, small size and good performance abilities, oscillators are considered essential components in many of today’s electronic devices, from small signal processors in laptops to grand industrial machine works.

The AX7PBF2-470.0000C quartz oscillator is a popular variant of oscillators, and it finds many applications in the industry. Depending on the specific needs of the circuit or system, these devices can serve as crystal oscillators, RC oscillators, VCXO oscillators, high-stability oscillators, as well as temperature-compensated crystal oscillators.

Most of the quartz oscillators today use quartz crystals as the frequency-determining element, typically a cut quartz crystal that vibrates at a precise frequency when a current or voltage is applied. As a means to control the output frequency of the oscillator, a variety of techniques has been developed, such as quartz oscillator resonators, which takes advantage of different crystals’ frequency stability and also the ability to quickly adjust the frequency in the application.

The AX7PBF2-470.0000C is a typical quartz oscillator. Its working principle is relatively simple. The device operates at a basic sine wave frequency of 4.7MHz. This frequency occurs at the quartz crystal and is sustained at the start of operation by a varactor diode within the oscillator.

The frequency is then locked in with the help of a voltage-variable resistor that increases in resistance as the frequency increases, preventing further changes. An external voltage source is used to produce a variable voltage, that is selected to bring the actual oscillator\'s frequency equal to its desired frequency.

The overall circuit is then completed with a series of additional components designed to stabilize the system and eliminate any noise or interference in the signal. There are usually two capacitors that function as active filters. These two together serve to better shape the sine wave and reduce harmonics and noise.

In conclusion, the AX7PBF2-470.0000C quartz oscillator is an effective means of generating a waveform with a very precise frequency, and can be used to create high-stability and temperature-compensated crystal oscillators for various applications.

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