CWX825-33.333M

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Oscillators are a key component used in many digital electronic circuits for a wide range of applications, notably frequency generation of signals for use in radio communications. Among the many types of oscillator available, the CWX825-33.333M is particularly known for its combination of low cost, wide frequency range and high reliability, making it ideal for embedded systems requiring reliable, cost-effective oscillators. In this article, we look at the applications and working principles of the CWX825-33.333M.

The CWX825-33.333M oscillator is a quartz crystal oscillator capable of generating a frequency range between 25 to 200 MHz, with an output resistance of 33.333k Ω. Its operating temperature range is between -20 °C and +85 °C, suitable for most embedded applications. It has an output waveform compatible with CMOS* logic families such as ECL^ and PECL. The CWX825-33.333M has a temperature stability of ±30 ppm, meaning the frequency output remains stable over a wide temperature range. This makes it an ideal choice for applications where accuracy and precision are key requirements.

The CWX825-33.333M is used in numerous embedded applications due to its combination of low cost, wide frequency range and high reliability. It is commonly used in industrial wireless controllers, where it combines with a microcontroller to generate signals for radio communications. In automotive applications, it is used in Active Cruise Control (ACC) systems, where it is used to generate the heartbeat signal to ensure accurate data transmission between vehicles. It is also used in many of the world’s mobile phones, where it ensures qualified data transmission of digital audio and video signals.

The working principle of the CWX825-33.333M oscillator is based on the mechanical resonance of quartz crystal. Quartz crystal is made of two electrical conductors connected to a quartz crystal vibrator. When an alternating voltage is applied across these conductors, the quartz crystal vibrator responds by vibrating at a frequency determined by its physical dimensions. The frequency generated is then rectified and filtered to produce a signal suitable for use in digital electronics circuits.

The CWX825-33.333M oscillator is a reliable, cost-effective crystal oscillator used in a wide range of embedded applications. It is suitable for applications requiring a frequency range from 25 to 200 MHz and a temperature stability of ±30 ppm. Its working principle is based on the mechanical resonance of quartz crystal, which is triggered by a small alternating voltage.

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