SFECF10M7EA00-R0 Filters

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Ceramic filters are one of the most commonly used components in radio frequency (RF) circuits. The SFECF10M7EA00-R0 is a type of ceramic filter that is widely used in RF circuits. This article will discuss the application field of the SFECF10M7EA00-R0 as well as the working principle that underlies its operation.

The SFECF10M7EA00-R0 is a miniature SAW filter designed for use in communication systems. It has a low insertion loss of 2.5 - 3.0dB, a high stop-band rejection of 40 - 45dB, and a wide operating temperature range of -30°C to +85°C. It is available in a compact 2 x 2mm SMD package and has a center frequency of 10MHz. As such, it is suitable for applications such as cellular base stations, wireless LANs, and other wireless communication systems.

In terms of its working principle, the SFECF10M7EA00-R0 utilizes surface acoustic wave (SAW) technology. This technology uses a piezoelectric crystal resonator which is coated with metallic electrodes. When an electrical signal is applied to the electrodes, it creates a surface acoustic wave which propagates along the crystal. The wave is then reflected off of the electrodes and creates an output signal. Depending on the design of the filter, this output signal can be either blocked or allowed to pass, thus providing the necessary filtering action.

The SFECF10M7EA00-R0 also utilizes a built-in temperature compensator in order to maintain its performance in different temperature conditions. This ensures that the filter will perform consistently over a wide range of temperatures, making it suitable for use in applications such as base stations which may have to function in varying environmental conditions.

In summary, the SFECF10M7EA00-R0 is a miniature SAW filter that is widely utilized in RF circuits. It has a low insertion loss, good stop-band rejection, and a wide operating temperature range. It utilizes SAW technology and includes a temperature compensator for reliable performance in different conditions. All of these features make it suitable for use in a variety of communication systems.

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