RF1400D

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A surface acoustic wave (SAW) filter is an electronic filter that uses the surface acoustic wave phenomenon to filter out frequencies that are not wanted. The RF1400D is a high-performance SAW filter designed for various basic RF applications. It is designed to operate in the 1445-1470MHz frequency band and has a power handling capability of up to 3W.

The RF1400D is a surface-mountable component which is designed with a very small form factor, making it ideal for high-density applications and cost-effective for large-volume applications. It is a two-stage surface acoustic wave filter with high selectivity and low insertion loss performance, making it suitable for wireless communication, navigation and radar systems. The RF1400D is manufactured using high-quality materials and sophisticated processes to ensure superior performance and reliability.

The RF1400D has a wide range of applications such as wireless communication, navigation systems, automotive radar systems, small cell base station technology systems, medical imaging equipment, and satellite communications systems. It is also used in various other consumer products and home entertainment systems. It can also be used in commercial wireless networks for various applications such as video, audio, multimedia, and data transmission.

The working principle of surface acoustic wave (SAW) filter is based on the interaction between two traveling waves – an excitation wave and a reflected wave. First, an excitation wave is produced by an oscillator which passes over an amplifying waveguide and is then fed to the filter surface. This excitation wave produces two traveling waves at the filter\'s surface, resulting in the reflection of some of the frequency energy. This interaction between the two waves produces a filter function in which the energy of specific frequencies is attenuated, resulting in the desired filtering action.

The RF1400D is constructed with a two-stage branching circuit on a single substrate. Each stage consists of a matching line connected to the transmitting antenna and a terminating line which is connected to the receiving antenna. The matching line isolates the reflection and transmission features of the RF1400D from the power component of the signals. The terminating line absorbs most of the mismatch energy, resulting in the reduction of reverse power. A limiting line provides additional filtering. The combination of these three elements enables the device to deliver excellent performance with minimal signal distortion.

The RF1400D is also designed to offer excellent stability and reliability. It is designed to operate in extreme temperatures and high humidity levels and is highly resistant to shock and vibration. The RF1400D also has a low profile and is compact in size, making it ideal for integration into existing systems.

The RF1400D is a high-performance SAW filter designed for various basic RF applications. It is designed with a small form factor, a two-stage surface acoustic wave filter with low insertion loss and high selectivity, and excellent stability and reliability. It is suitable for a variety of applications such as wireless communication, navigation systems, automotive radar systems, medical imaging equipment, satellite communications systems, and various consumer products and home entertainment systems. The RF1400D is an ideal solution for applications that require superior performance and reliability in an economical package.

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