B39389K2971M100

Series:	--
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Frequency - Center:	38.9MHz
Bandwidth:	--
Insertion Loss:	16.3dB
Applications:	TV
Mounting Type:	Through Hole
Package / Case:	5-SIP
Height (Max):	0.343" (8.70mm)
Size / Dimension:	0.681" L x 0.154" W (17.30mm x 3.90mm)

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SAW Filters and the B39389K2971M100

Surface Acoustic Wave (SAW) filters are commonly used in communications and audio systems, as their small size and highly precise performance make them ideal for use within certain applications. SAW filters are typically integrated on a single substrate and consist of an input transducer, a series of reflectors, and an output transducer. The transducers convert electrical signals into sound waves, and the reflectors are responsible for the filtering of the signals. One popular example of a SAW filter is the B39389K2971M100.

Application

The B39389K2971M100 is a surface acoustic wave filter. It is a miniature device that can withstand high temperatures and has excellent mechanical strength, making it an ideal choice for integration in different electronic applications. The filter is also designed with Q-Amp technology which helps to reduce noise by limiting the reflection of signals. The B39389K2971M100 is mainly used in communications and audio systems, such as mobile phone systems, wireless communication systems, and cordless landline telephones. It can also be used in consumer electronics, such as amplifiers, DAB/FM radios, and digital signal processing (DSP) systems.

Working Principle

The B39389K2971M100 works by using the principles of surface acoustic waves to transfer and filter electrical signals. The filter uses a quartz substrate to generate high frequency acoustic waves, which are then sent through a network of reflectors to filter the signals. The reflectors are arranged in such a way that the frequency bands of the acoustic wave are separated and reflected in different directions. This is done by creating an electrical image of the surface acoustic wave at each reflector. When the reflected signals are received by the filter, they are carefully filtered according to their particular frequencies. The B39389K2971M100 also incorporates a dual protection scheme to ensure that it performs reliably and effectively. This scheme is designed to protect the device from external interference, while also providing a consistent level of signal pass-through.

Conclusion

SAW filters are an ideal choice for communication and audio applications, as they offer high precision and small size. The B39389K2971M100 is one such filter that is suitable for a variety of applications. It uses the principles of surface acoustic waves to filter and transfer signals, and also offers dual protection to ensure its reliable performance.

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