MA-505 25.1750M-C0

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Crystals, in their many forms and sizes, serve as the heart of many communication systems. The MA-505 25.1750M-C0 is one such crystal, and provides a versatile and cost effective solution for many applications. This article will provide an overview of the MA-505 25.1750M-C0’s application field and working principle.

The MA-505 25.1750M-C0 is a surface mount type oscillator, ideally suited for use in satellite, cellular and computer systems. Using the temperature-compensated crystal oscillator (TCXO) design, the MA-505 25.1750M-C0 ensures accuracy of ± 2.5 parts per million (ppm) over the operating temperature range of -20 to 70 degrees Celsius (-4 to 158 degrees Fahrenheit). This makes the device ideal for precision frequency control applications such as satellite communication, cable television, and digital audio/video systems. The oscillator also offers excellent stability and repeatability, with a 1 ppm or less frequency tolerance variation over the -20 to 70 degrees Celsius range.

The MA-505 25.1750M-C0 is an economical solution for many applications. Featuring low jitter, low harmonic distortion, and low phase noise, it offers performance comparable to that of much more expensive crystals. The VCO (voltage controlled oscillator) also offers a unique and cost-effective feature - a selectable start-up frequency. This feature allows the designer to choose a start-up frequency from either 25.1750MHz or 38.8125MHz depending on their application.

The design and operation of the MA-505 25.1750M-C0 is based on the traditional mechanical resonator crystal. The device relies on the piezoelectric properties of quartz in combination with a resonant frequency circuit to generate and maintain frequency stability. Essentially, the oscillator employs a quartz crystal which has a physical resonance at a specific frequency. An alternating current is sent through the crystal causing it to oscillate at its resonant frequency. The output of the crystal is then filtered and amplified to generate the desired output frequency.

The MA-505 25.1750M-C0 also provides an output buffer amplifier, which helps filter and amplify the crystal oscillator signal and eliminate electrical noise. The output buffer is a CMOS amplifier which ensures low power consumption and excellent signal isolation. The output of the buffer is a sinusoidal signal, whose frequency is determined by the frequency of the quartz crystal. This signal is then used to generate the desired output frequency.

The MA-505 25.1750M-C0 is an ideal choice for many frequency-related applications. Its combination of accuracy, features, and cost makes it a desirable solution for many applications.

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