The B39242B8857L210 is a Surface Acoustic Wave (SAW) filter manufactured by Qualcomm. SAW filters are widely used in radio frequency (RF) applications to selectively pass or reject signals within a specific frequency range. This particular filter is designed for use in wireless communication systems to improve signal quality and reduce interference. They are essential components in modern communication devices for ensuring reliable and efficient operation.

Applications:

• Mobile Communication Devices: Filtering RF signals in smartphones and tablets.
• Wireless Infrastructure: Base stations and repeaters for cellular networks.
• GPS Receivers: Filtering signals for accurate positioning data.
• Wireless LAN (WLAN) Devices: Routers and access points for wireless internet.

Features:

• SAW Filter Technology: Provides precise and stable filtering characteristics.
• Surface Mount Device (SMD): Compact size for easy integration into electronic circuits.
• Low Insertion Loss: Minimizes signal attenuation for improved performance.
• High Attenuation: Effectively rejects unwanted signals and noise.
• Designed for specific frequency band: optimized for best performance.

Benefits:

• Improved Signal Quality: Enhances the clarity and strength of desired signals.
• Reduced Interference: Minimizes the impact of unwanted signals on system performance.
• Increased System Reliability: Ensures stable and consistent operation of wireless devices.
• Compact Size: Enables smaller and more integrated device designs.
• Optimized Performance: Tailored frequency response for specific applications.

Additional Details:

The B39242B8857L210 SAW filter operates within a specific frequency range tailored to its intended application, generally within cellular bands. Key parameters include center frequency, bandwidth, insertion loss, and attenuation. The filter is designed for surface mount assembly, simplifying the manufacturing process. SAW filters utilize piezoelectric materials to convert electrical signals into acoustic waves and back, achieving precise filtering characteristics. The filter's compact size and low profile make it suitable for use in portable devices. The temperature stability of the filter ensures consistent performance over a wide range of operating conditions. The filter is lead-free and RoHS compliant. Specific characteristics such as impedance are optimized for its intended application. Detailed specifications are available in the product datasheet.