B39389K9661D100

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SAW Filters, also known as surface acoustic wave filters, are widely used in a variety of electronic circuits within the frequency range of 20 kHz - 20 GHz. The B39389K9661D100 filter is a good example of the function and utility of SAW Filters within this range. This particular filter is designed to filter out higher frequency signals that interfere with ones that are designed to pass through.

The B39389K9661D100 filter has a typical center frequency of 800MHz and a working bandwidth of to 806MHz. This filter can be used in a variety of applications such as television receivers, mobile communications systems, cordless phones, and other wireless applications.

The working principle behind this particular SAW filter is relatively simple. When higher frequency interferences enter the filter, they are directed to the side of the filter and not through to the intended signal. This is done by combining two SAW transducers in the same substrate (usually quartz). The first transducer (interdigital transducer, IDT) transfers the energy of the signal into a mechanical wave. This wave then passes between the electrodes of the second transducer (reflective transducer, RT). The T-connector between the two transducers then reflects the signals that pass through it.

The B39389K9661D100 filter is then able to filter out high frequency signals by reflecting them off of the T-connector and redirecting them away from the intended signal. This filter can have attenuation in excess of 70 dB for signals with frequencies greater than 806MHz. Additionally, the filter can also be used to limit the amount of signal that is transferred from the output of the filter to the device. This is often done to limit the amount of interference that is transferred to the device.

Overall, the B39389K9661D100 is a highly effective SAW filter that can be used in a variety of applications. This filter is able to filter out high frequency interferences and limit the amount of transfer that is sent to the device. The filter is relatively simple in its design, but is highly effective at what it does. The specific data is subject to PDF, and the above content is for reference