The TDK Corporation B39212-B8962-P810 is a SAW (Surface Acoustic Wave) filter designed for use in wireless communication systems. This filter selectively passes desired signals within a specific frequency range while attenuating unwanted signals outside that range, improving overall system performance by minimizing interference.

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: Specifically designed for operation within a particular frequency band; consult the datasheet for the exact frequency.
• Low Insertion Loss: Minimizes signal attenuation within the passband, ensuring that the desired signal remains strong and clear.
• High Attenuation: Provides excellent rejection of out-of-band signals, reducing interference and improving the signal-to-noise ratio.
• Compact Size: Small form factor allows for integration into space-constrained devices and modules.
• Surface Mount Device (SMD): Facilitates easy and cost-effective assembly using standard SMT techniques.
• RoHS Compliant: Complies with environmental regulations, ensuring the product is free from hazardous substances.
• Stable Performance: Offers consistent and reliable performance across a wide range of operating temperatures.

Benefits

• Improved Signal Quality: Low insertion loss and high attenuation contribute to clearer and more reliable communication.
• Reduced Interference: Effective filtering minimizes the impact of unwanted signals, improving system performance in noisy RF environments.
• Compact Design: Suitable for use in small devices and modules where space is limited.
• Cost-Effective Manufacturing: SMD packaging and reliable performance reduce assembly and maintenance costs.
• Environmental Compliance: Meets environmental standards for lead-free manufacturing.

Additional Details

SAW filters such as the B39212-B8962-P810 utilize the piezoelectric effect, converting electrical signals into mechanical surface acoustic waves and then back into electrical signals. The design of the interdigital transducers (IDTs) on the piezoelectric substrate determines the filter's frequency response characteristics. For optimal performance, proper impedance matching and PCB layout are crucial. Typically, these filters are designed to operate with a 50-ohm impedance, so care must be taken with the surrounding circuitry to minimize signal reflections and losses. Always refer to the datasheet for precise operating conditions and performance characteristics.

Technical Specifications (Typical):

• Center Frequency: 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