B39881B9883P810

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Surface acoustic wave (SAW) filters are specialized electronic filter used in radio communications and other industrial applications. They are composed of layered piezoelectric material and operate within the radio frequency range. As waveguides, they allow for the transmission of radio signals uninterruptedly over a certain frequency range. The B39881B9883P810 is one type of SAW filter available through various suppliers.

SAW filters have several advantages that set them apart from other filter technologies. They feature a wide operating frequency range, as opposed to other digital filters with narrow passbands and sharp cut-off frequencies. Moreover, SAW filters possess extremely low insertion loss, coupling, and insertion phase costs, due to their small size and the customizability of their design. Thus, SAW filters offer high selectivity and precision for narrow frequency gaps in various electronic components.

The B39881B9883P810 is a six-port SAW filter, with ports supporting front-end devices in wireless transceiver applications. Its passband frequency is 790–795 MHz, and its passband insertion loss is 0.2 dB. The filter also has a center frequency of 792.5 MHz and an input shift of 4.5 MHz. In terms of SAW filter parameters, the B39881B9883P810 features an insertion loss of 11 dB max, an input power rating of 1 watt max, and an operating temperature range of -20° to +80° Celsius.

The B39881B9883P810 works by converting an RF signal to an acoustic wave at the input port, then propagating the wave through a piezoelectric substrate to the output port. Along the way, certain frequencies are reflected back and absorbed by the filter medium, while other frequencies pass through unchanged. This selective filtering process of SAW filters is made possible by the phenomena of acoustic wave propagation in piezoelectric materials. It is this process that allows them to perform as selectable frequency filters with high precision.

The B39881B9883P810 is suited for a number of applications, including wireless communications, point-to-point radios, digital broadcast (DVB), satellite systems, and personal communication systems. It is an ideal choice for high-selectivity SAW filters due to its small size and highly tunable passband characteristics. Moreover, the filter is well-suited for use in portable devices due to its low insertion loss, low coupling cost, and low dimensions.

In conclusion, the B39881B9883P810 is one of a series of SAW filters used in many RF-based applications. Its superior selectivity and precision makes it an ideal choice for narrowband filters in various electronic components. Its small size and low cost also make it the perfect solution for portable applications. As such, the B39881B9883P810 is a valuable tool in the wireless communications arena.

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