The B38811-AL13E-A01 is a SAW (Surface Acoustic Wave) filter, manufactured by TDK Corporation. These filters are used in radio frequency (RF) applications for precise signal filtering. They are designed to selectively pass desired signals while rejecting unwanted interference. This particular filter is often used in wireless communication systems to improve signal quality and overall system performance.

Applications

• Wireless Communication Systems: Commonly used in mobile phones, tablets, and other portable wireless devices for signal filtering to improve signal clarity.
• Wi-Fi Applications: Integrated into Wi-Fi routers and access points to filter out interference and enhance network performance.
• Bluetooth Devices: Used in Bluetooth modules and devices to ensure clear and reliable wireless communication.
• Remote Control Systems: Employed in remote control receivers to filter unwanted signals, improving the reliability of the control link.
• Industrial, Scientific, and Medical (ISM) Band Applications: Suitable for use in ISM band devices for interference rejection and signal conditioning.

Features

• High Selectivity: Provides excellent rejection of out-of-band signals, ensuring a clean and clear signal within the desired frequency range.
• Low Insertion Loss: Minimizes signal attenuation within the passband, preserving signal strength and reducing power consumption.
• Compact Size: Designed for space-constrained applications, allowing integration into small form factor devices.
• Stable Performance: Offers consistent performance over a wide range of operating temperatures and conditions.
• Surface Mount Technology (SMT): Facilitates automated assembly, reducing manufacturing costs and improving reliability.

Benefits

• Improved Signal Quality: Reduces noise and interference, leading to clearer and more reliable signals.
• Enhanced System Performance: Enables more efficient use of the available frequency spectrum, improving overall system performance.
• Reduced Component Count: Integrates filtering functionality into a single component, simplifying circuit design and reducing board space.
• Lower Power Consumption: Minimizes signal loss, reducing the power required for signal transmission and extending battery life.
• Increased System Reliability: Robust design ensures long-term performance and stability, enhancing overall system reliability.

Additional Details

The B38811-AL13E-A01 SAW filter is designed to operate at a specific center frequency. The TDK datasheet for this part number should be consulted to obtain the precise frequency, bandwidth, and insertion loss characteristics. It is typically a surface-mount device (SMD) to facilitate automated assembly. Operating temperature range can generally be expected to be within -40°C to +85°C, but confirmation in the datasheet is recommended. Specific specifications, including impedance and attenuation characteristics, are available in the product datasheet provided by TDK. These filters are typically designed for 50 Ohm impedance systems.