B39389K9650M100 Filters

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B39389K9650M100 is a series of surface acoustic wave (SAW) filters developed by EPCOS. It is designed to reduce signal interference and improve signal reception within any communication system. This series of filter is suitable for a wide range of applications such as TV, low-band analog and digital cellular communications, wireless LANs (WLANs), Bluetooth & Zigbee, and other digital broadcast transmission signals.

SAW filters are based on the acoustic wave technology, which utilizes sound waves propagating along the surface of piezoelectric materials such as quartz crystals. The acoustic wave passes through the reflective electrode pattern deposited on top of the piezoelectric material, creating an interference pattern as the wave passes through the filter. It is through this interference pattern that the desired frequency is isolated or passed, depending on the filter\'s design.

The B39389K9650M100 filters have an insertion loss of about 0.25 dB, making them suitable for use in low-noise application such as wireless communications. They also feature a wide passband (0.48 - 800 MHz), meaning they can be used for a wide variety of applications. The stopband rejection, or rejection of unwanted signals, is greater than 40 dB for the 800 MHz range, providing a superior signal-to-noise ratio. Additionally, the design of the B39389K9650M100 filters means they can be used in a wide variety of mounting configurations, including surface mount or board mount.

The working principle of the B39389K9650M100 SAW filters is simple. The incoming signal is received by the filter, and the frequency of the signal is then analyzed. The filter then divides the signals into two distinct paths, allowing the desired frequency to pass through the filter while rejecting all other frequencies. This allows the desired signal to be isolated and transmitted, while all other frequencies are filtered out and prevented from reaching the final destination.

The B39389K9650M100 SAW filters are ideal for use in a variety of applications, including TV, low-band analog and digital cellular communications, wireless LANs (WLANs), Bluetooth & Zigbee, and other digital broadcast transmission signals. They provide superior signal-to-noise ratio, low insertion loss and can be used in a variety of mounting configurations, making them ideal for both commercial and residential applications. With their low-noise capabilities and wide bandwidth, the B39389K9650M100 series provides an effective solution for almost any signal interference or reception problem.

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