F6HG2G441EG65-J Filters

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Surface Acoustic Wave (SAW) devices consists of several different kinds of filters, of which the F6HG2G441EG65-J is one of the most popular and widely used. The F6HG2G441EG65-J is a highly stable dual-frequency SAW filter designed with improved temperature characteristics and high sensitivity. In this article, we will discuss its application field and working principle.

Application Field

The F6HG2G441EG65-J is a low-power, dual-frequency device used mainly in radio frequency (RF) communications systems. It is suitable for use in a wide range of applications such as emergency alert systems, base station repeaters, cellular phones, GPS receivers, wireless LANs, and many others. In addition, it is also useful for measurement and instrumentation applications.

This SAW filter is ideal for systems that require two frequencies, as it provides both stability and sensitivity. It operates over a frequency range of 1.4GHz to 2.4GHz, making it suitable for use in many different RF applications. Its dual-frequency characteristic helps to reduce the frequency interference of nearby systems.

Working Principle

The F6HG2G441EG65-J is a SAW filter, which means it operates through the use of surface acoustic waves (SAW). These waves are generated by the interaction of the electric field produced by an alternating current and the piezoelectric material from which the device is constructed. The waves are propagated along the surface of a piezoelectric crystal and interact with each other, producing various signal frequencies.

The F6HG2G441EG65-J features a two-layer oscillator substrate with two quartz elements separated by a metal layer. The two quartz elements are connected to the RF inputs of the device. The metal layer is the interference filter, which helps eliminate the noise generated in the SAW filter. As the SAW waves interact with the two quartz elements, they form interference fringes which allow only certain frequencies to pass through.

The F6HG2G441EG65-J is designed to operate over a wide temperature range, from -40°C to +85°C. It features good frequency stability even in rapidly changing temperatures, making it suitable for use in a variety of environmental conditions.

The F6HG2G441EG65-J is a highly stable and sensitive SAW filter suitable for a range of RF and measurement and instrumentation applications. It provides improved temperature stability and high sensitivity, making it well-suited for use in a variety of systems. With its dual-frequency design, it is also ideal for systems that require two frequencies.

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