The B39781-AM43A-P810 is a SAW (Surface Acoustic Wave) filter manufactured by EPCOS (TDK). SAW filters are widely used in radio frequency (RF) applications to selectively filter out unwanted frequencies while allowing desired signals to pass through with minimal attenuation. This particular filter is designed for specific frequency bands, making it suitable for various communication systems.

Applications

• Mobile Communication Systems: Used in base stations and mobile devices to filter signals in cellular networks.
• Wireless Communication Devices: Employed in devices such as cordless phones, remote controls, and wireless sensors for signal filtering.
• Navigation Systems: Incorporated in GPS and other navigation devices to filter the incoming signals and improve accuracy.
• Satellite Communication: Utilized in satellite receivers and transmitters for signal conditioning.
• RF Transceivers: Used in various RF transceivers for signal filtering purposes.

Features

• High Selectivity: Provides excellent rejection of unwanted signals outside the passband.
• Low Insertion Loss: Minimizes signal attenuation within the desired frequency range.
• Compact Size: Designed for integration into small electronic devices.
• Stable Performance: Offers consistent performance over a wide range of operating temperatures.
• Surface Mount Device (SMD): Facilitates easy and cost-effective assembly onto printed circuit boards (PCBs).

Benefits

• Improved Signal Quality: Filters out noise and interference, resulting in clearer and more reliable signals.
• Enhanced System Performance: By selectively filtering signals, the overall performance of the communication system is improved.
• Reduced Interference: Minimizes the impact of unwanted signals on the desired signal.
• Increased Range: Lower insertion loss can lead to slightly increased communication range.
• Miniaturization: Allows for smaller and more compact device designs.

Additional Details

The B39781-AM43A-P810 SAW filter operates at a specific frequency, which is critical for its intended application. The filter's specifications include center frequency, bandwidth, insertion loss, and attenuation characteristics. It is designed to be used in a 50-ohm impedance environment. The device is typically housed in a small surface-mount package for automated assembly. Precise details, including the exact frequency and bandwidth, can be found in the product datasheet provided by EPCOS (TDK). This filter is manufactured using advanced piezoelectric materials and fabrication techniques to ensure high performance and reliability.