PBRC-2.45BR

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 Resonators are widely used in the application of microwave and radio communications. PBRC-2.45BR is one of the resonators, developed for frequency control in converters, amplifiers and transistors. Its application field and its working principle will be discussed in this article.

PBRC-2.45BR belongs to the family of quartz crystal resonators, a type of resonators characterized by a high degree of stability, accuracy, and repeatability in frequency control over a variety of temperatures. Quartz crystals are typically used in oscillator circuits and are also known to exhibit a piezoelectric effect. It means when a voltage application is given, the quartz crystal will start to vibrate and make sound, and vice versa.

Generally, there are two types of quartz crystals used in PBRC-2.45BR, the AT-cut crystal and the SC-cut crystal. Both are characterized by their very low noise level and high frequency stability, making them a preferred choice in frequency control applications such as oscillators and amplifiers. The PBRC-2.45BR resonator is based on a design in which an AT-cut or SC-cut quartz crystal is placed on a substrate, which is then coated with a thin layer of anodized aluminum to act as a dielectric barrier and reduce unwanted harmonics and other forms of signal noise.

The working principle of the PBRC-2.45BR resonator is relatively simple. The quartz crystal is placed in an oscillator circuit and initially charged with an external voltage. As this voltage is removed, the frequency of the quartz crystal begins to oscillate in the circuit. This oscillation is then amplified and extracted from the resonator, creating the desired frequency. The output frequency of the resonator is determined by the characteristics of the quartz crystal and the amplifier circuitry surrounding it.

The resonator also has a wide range of applications including frequency control in converters, amplifiers and transistors. PBRC-2.45BR is increasingly becoming the preferred choice of oscillator circuits due to its high stability, accuracy and repeatability in frequency control over a variety of temperatures. This makes the PBRC-2.45BR resonator an ideal choice for many frequency control applications such as those encountered in mobile and automotive technologies.

In addition, the PBRC-2.45BR can also be used to stabilize broadcast frequencies, ensure accurate frequency transmissions in television networks and reduce signal noise in high-frequency circuits.

In short, PBRC-2.45BR is a resonator used for frequency control in converters, amplifiers and transistors. The working principle of the resonator involves the use of an AT-cut or SC-cut quartz crystal, which is then charged with an external voltage and placed in an oscillator circuit. The resonator is then amplified, creating the desired frequency. The PBRC-2.45BR resonator is increasingly becoming the preferred choice of oscillator circuits due to its high stability and accuracy. It is also commonly used to stabilize broadcast frequencies, ensure accurate frequency transmissions in television networks and reduce signal noise in high-frequency circuits.

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