The SAWFD1G90LA0F0AR15 is a Surface Acoustic Wave (SAW) filter manufactured by Murata Electronics North America. SAW filters are essential components used in various radio frequency (RF) and wireless communication systems to selectively filter signals. This particular filter is designed to operate at a specific frequency, commonly around 1.9 GHz, making it suitable for applications in mobile communications and other wireless devices. Its precise filtering characteristics enable the isolation of desired signals from unwanted noise and interference, improving overall system performance.

Applications

• Cellular mobile communication systems (e.g., GSM, UMTS, LTE)
• Wireless data networks (e.g., Wi-Fi, Bluetooth)
• Global Positioning System (GPS) receivers
• Radio frequency identification (RFID) systems
• Wireless remote control systems

Features

• High selectivity: Effectively attenuates unwanted signals outside the passband.
• Low insertion loss: Minimizes signal power loss within the desired frequency band.
• Compact size: Surface mount device (SMD) package for space-saving designs.
• Stable performance: Consistent operation over a wide temperature range.
• High reliability: Robust design for long-term performance.

Benefits

• Improved signal-to-noise ratio: Enhances the clarity of received signals.
• Reduced interference: Minimizes the impact of unwanted signals on system performance.
• Extended communication range: Enables reliable communication over greater distances.
• Simplified system design: Reduces the need for complex filtering circuitry.
• Increased battery life: Efficient filtering minimizes power consumption.

Additional Details

The SAWFD1G90LA0F0AR15 SAW filter utilizes the piezoelectric effect to convert electrical signals into acoustic waves and back, achieving precise frequency filtering. The filter's characteristics, such as center frequency, bandwidth, and insertion loss, are carefully engineered to meet specific application requirements. It is commonly used in the front-end of receivers to reject out-of-band signals that could overload or desensitize the receiver. The surface-mount package allows for easy integration into high-density circuit boards, and the filter's stable performance ensures reliable operation in various environmental conditions. Further technical details, including specific frequency characteristics, impedance matching information, and temperature coefficients, can typically be found in the manufacturer's datasheet. Its role in minimizing interference and improving signal clarity is crucial for efficient and reliable wireless communication.