The EPCOS (TDK) B39202-B8829-P810-S05 is a SAW (Surface Acoustic Wave) filter, a critical component in wireless communication systems designed to selectively pass desired signals while attenuating unwanted signals outside a specified frequency range. This ensures that the receiver processes only the intended signal, minimizing interference and improving overall system performance.

Applications

• Mobile communication systems (cellular base stations, handsets, and repeaters)
• Wireless infrastructure
• RF front-end modules
• Satellite communication systems
• ISM band applications

Features

• Optimized Frequency: Designed for operation at a specific frequency, most likely around 2 GHz, though the exact frequency should be verified in the datasheet.
• Low Insertion Loss: Minimizes signal attenuation within the passband, crucial for maintaining signal strength and maximizing receiver sensitivity.
• High Attenuation: Provides excellent rejection of out-of-band signals, reducing interference from unwanted frequencies and improving signal-to-noise ratio.
• Compact Size: The small form factor allows for integration into compact wireless devices and modules.
• Surface Mount Device (SMD): Facilitates easy and cost-effective assembly using standard SMT techniques, reducing manufacturing costs.
• RoHS Compliant: Complies with environmental regulations, ensuring the product is free from hazardous substances and suitable for environmentally conscious applications.
• Stable Performance: Offers consistent and reliable performance across a broad range of operating temperatures, ensuring reliable operation in various environmental conditions.

Benefits

• Improved Signal Quality: Low insertion loss and high attenuation work together to deliver cleaner and more reliable communication.
• Reduced Interference: The effective filtering minimizes the impact of unwanted signals, enhancing system performance, particularly in noisy RF environments.
• Compact Design: Suitable for integration into space-constrained devices, enabling smaller and more efficient wireless products.
• Cost-Effective Manufacturing: The SMD packaging and reliable performance contribute to reduced assembly and maintenance costs.
• Environmental Compliance: Meets environmental standards for lead-free manufacturing, aligning with global environmental initiatives.

Additional Details

SAW filters like the B39202-B8829-P810-S05 operate based on the piezoelectric effect, converting electrical signals into mechanical surface acoustic waves and then back into electrical signals. The filter's frequency response is determined by the design of the interdigital transducers (IDTs) on the piezoelectric substrate. Proper impedance matching is critical for optimal performance. These filters are generally designed for a 50-ohm impedance environment; careful attention should be given to the surrounding circuitry to minimize signal reflections and insertion losses. Always consult the datasheet for specific operating conditions and performance characteristics.

Technical Specifications (Typical):

• Center Frequency: Approximately 2 GHz (Consult datasheet for precise value)
• Insertion Loss: (Consult datasheet for specific value)
• Attenuation: (Consult datasheet for specific value)
• Impedance: 50 Ohms
• Operating Temperature Range: (Consult datasheet for specific range)
• Package: SMD