B39181B3501H810 Filters

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SAW filters are commonly used in radio frequency (RF) communications to separate signals from other components in the system. The B39181B3501H810 is a high-frequency single-pole double-throw (SPDT) switch-filter specifically designed for use in cellular communications applications. It operates up to 8 GHz with low power consumption and high linearity. This SAW filter has excellent isolation and image rejection performance.

The B39181B3501H810 SAW filter incorporates a series of patches that are etched onto a silicon substrate to form a series of resonators that selectively pass or attenuate signals at given frequencies. The filter consists of two input ports, two output ports, and a common port that is used to tune the filter. The filter has a bandpass configuration with an input impedance of 50 ohms and an insertion loss of less than 3dB from 7 to 8GHz. The B39181B3501H810 has very good isolation, with greater than 20dB isolation across the band pass.

This filter is typically used in cellular applications as a high pass filter that allows signals to pass but attenuates signals below a certain frequency. It can also be used as a bandpass filter to allow signals in a narrow frequency range to pass while attenuating signals outside this range. In addition, the B39181B3501H810 can be used in frequency division multiplexing applications to separate frequencies and modulated signals.

The B39181B3501H810 is beneficial for applications that require high linearity and accuracy since it has low insertion loss in the desired frequency range. In addition, it has excellent temperature stability, with output levels remaining within ± 0.5 dB over temperature variations of -40°C to +85°C. It is also capable of operating at high frequencies with low power consumption, making it suitable for battery-powered devices.

The B39181B3501H810 is ideal for cellular modem or RF transceiver applications where a high linearity single-pole double-throw SAW filter is needed. It is used in mobile phones to reject out-of-band interferers, improve the performance of VSWR, GSM and other wireless communication systems, and can also be used in WiFi applications to improve selectivity and overall quality of the signal.

Overall, B39181B3501H810 is a specifically designed SAW filter with excellent performance. It has low insertion loss, high linearity, and excellent isolation, making it ideal for a variety of cellular and RF applications. It can be used as a high pass filter, band pass filter, or frequency division multiplexing filter. It is beneficial for applications that require a high degree of accuracy and linearity due to its superior temperature stability and low power consumption. This SAW filter allows designers to create better RF systems with increased sensitivity, reliability, and noise immunity.

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