7V-14.7456MAAV-T Crystals, Oscillators, Resonators

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Crystals are widely used in the electronics industry due to their precise frequency and high stability, which is essential for their applications in computers and telecommunications. The 7V-14.7456MAAV-T crystal is a frequency-stable device usually used in wireless networks, digital TV, and radio communications.

7V-14.7456MAAV-T crystals are quartz-based, which means they are manufactured using high-purity quartz material and highly accurately cut quartz wafers. This precision in the features lets the crystal reach an accuracy of one 10th (HC49S) to one millionth (SC-cut) of a Hertz. As a result, 7V-14.7456MAAV-T crystals are highly suitable for use in frequency-reliant applications.

The 7V-14.7456MAAV-T application field comprises high-frequency circuit designs in broadcasting, TV/video, RF and microwave communications, industrial medical and measuring applications. The most common applications include frequency synthesizers, FM receivers, low Jitter oscillators, clock circuits, VCOs and PLLs.

The 7V-14.7456MAAV-T has two main types of oscillation principle – VC-TC (Voltage Controlled Temperature Compensated) and AT-TC (Auto-tuning Temperature Compensated). Both of them function using an oscillator circuit which repeatedly remembers a capacitor and a quartz crystal connected in series. When an external voltage is applied to the crystal, the crystal oscillator varies the pitch of its resulting frequency based upon that voltage.

In the VC-TC scheme, the power should be applied to the crystal prior to use to compensate the temperature variation. As the temperature of the crystal changes, the pitch of the frequency decreases. To control the temperature, the quartz crystal is coupled to a resistor-capacitor network. When temperatures increase or decrease, the electrical resistance of the R-C network changes, which in turn causes the crystal to oscillate at a slightly different frequency.

In contrast, AT-TC does not require the user to manually adjust for temperature variations. It compensates for fluctuations automatically and quickly. AT-TC normally uses a predominantly digital approach, which limits the onset of age-dependencies and keeps the oscillator jitter within the required limits. It is important to note that AT-TC crystals usually require more power than their VC-TC counterparts.

7V-14.7456MAAV-T crystals offer advantages such as better frequency stability, higher frequency and good environmental stability. Furthermore, they are cost effective and are commonly available in standard packages. Coupled with its various applications in communication devices and other digital products, the 7V-14.7456MAAV-T crystal is the choice of many designers due to its reliability and performance.

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