CER0244G

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Ceramic filters are often used in radiofrequency (RF) and microwave applications across various industries, such as aeronautics, defense, and security. Ceramic filter CER0244G is one such filter. This filter works in the 1.5GHz frequency range and is designed to be used in receivers, whether those are for military or commercial applications. It is built from high-fidelity aluminum oxide (Al2O3) ceramic, allowing it to function in high frequency and power applications.

Ceramic filters are based on the same basic principles as other filter types, such as LC, crystal, and combline resonators. Like these filters, the CER0244G filter operates by allowing particular frequencies to pass through the filter while rejecting others. It uses a set of tuned electrical circuits called resonators separated by circuits that allow direct signal conductance called coupling capacitors. The filter operates at a specific frequency range with each resonator in the filter tuned to a particular center frequency. This filter type is typically referred to as a “nth-order bandpass filter,” where “n” stands for the number of resonators used in the filter.

The CER0244G filter is composed of three resonators and two coupling capacitors care-fully designed to have the desired characteristics. The filter is a third-order bandpass filter that operates in the range of 1.432 to 1.607 GHz with an insertion loss of 15.2 dB. This filter can be used to filter one RF signal from any desired interfering signals and attenuates signals outside of the tuned frequency range.

The filter’s other characteristics depend on the “Q Factor,” which is a measure of the sharpness of the filter’s pass-band frequency response. The higher the Q factor, the steeper the filter’s attenuation between the pass-band and stop-band response. The CER0244G filter has a Q of 33.1 in the upper stop-band, which decreases its insertion loss, allowing it to be used in more sensitive applications.

In addition to its low insertion loss, the CER0244G is designed to provide high harmonic suppression and a very low oscillation level, making it suitable for high-end applications such as receivers. The filter is RoHS compliant and available in a variety of package sizes and configurations. Its miniature size makes it suitable for space-constrained applications.

The CER0244G is a high-performance ceramic filter designed to operate in the 1.5GHz frequency range. It is a third-order bandpass filter with very low insertion loss and high harmonic suppression. Its high Q factor ensures that it can be used in more sensitive applications. The filter is RoHS-compliant and available in various miniaturized packages. It is suitable for a wide range of applications where a narrow-band filter is needed, such as Defense and Aeronautic applications.

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