The B39202-B9120-L310-S03 is a SAW (Surface Acoustic Wave) filter manufactured by EPCOS (TDK), designed for use in radio frequency (RF) applications. These filters utilize the piezoelectric effect and surface acoustic waves to selectively pass or reject signals within a specified frequency range. They are known for their compact size, high performance, and reliability, making them suitable for various wireless communication systems.

Applications

• Mobile Communication Systems: Used in cellular base stations and mobile devices to filter specific frequency bands, ensuring efficient signal processing and reducing interference.
• Wireless Communication Devices: Employed in WLAN (Wireless Local Area Network) devices, such as routers and access points, for filtering and signal conditioning.
• Remote Control Systems: Utilized in remote controls to filter out unwanted noise and interference, ensuring reliable operation.
• Automotive Applications: Integrated into car key fobs and tire pressure monitoring systems (TPMS) for reliable wireless communication and signal integrity.
• Satellite Communication Systems: Used in satellite receivers and transmitters to filter specific frequency bands and improve signal quality.

Features

• High Selectivity: Offers precise signal filtering, rejecting unwanted frequencies and noise.
• Low Insertion Loss: Minimizes signal attenuation within the passband, ensuring optimal signal strength and efficient power transfer.
• Compact Size: Allows for easy integration into small electronic devices and modules, saving valuable board space.
• Stable Performance: Provides consistent performance over a wide temperature range and various operating conditions.
• High Reliability: Ensures long-term performance and durability in demanding environments, reducing the risk of system failure.

Benefits

• Improved Signal Quality: Enhances signal clarity by effectively filtering out unwanted noise and interference.
• Enhanced System Performance: Improves overall system performance due to its high selectivity and low insertion loss characteristics.
• Reduced System Cost: Contributes to reducing the size and cost of the overall system due to its compact size and integration capabilities.
• Increased Reliability: Ensures long-term operation without failures, thanks to its stable performance and high reliability.
• Simplified Design: Streamlines the design process by offering a complete filtering solution tailored for specific RF applications.

Additional Details

The B39202-B9120-L310-S03 SAW filter is specifically designed for operation within defined frequency bands, and impedance matching is crucial for achieving optimal performance. Key specifications, including the center frequency, bandwidth, insertion loss, and attenuation characteristics, are vital for ensuring that the filter meets the requirements of its intended application. Designers should refer to the detailed datasheets provided by EPCOS (TDK) to confirm compatibility and compliance with system requirements. Operating temperature range and maximum power handling capability should also be taken into consideration to guarantee reliable performance in the intended operating environment. Compliance with these specifications will result in optimal filtering performance, contributing to overall system reliability and efficiency.