The MAX19985ETX+ is a state-of-the-art dual downconversion mixer designed by Maxim Integrated, a leader in analog and mixed-signal processing technology. This high-performance component is built with Silicon-Germanium (SiGe) technology, which provides exceptional linearity and noise performance, making it an ideal choice for demanding wireless applications such as base stations, point-to-point communication systems, and military communications.

Key Features

• Frequency Range: The mixer operates over a wide frequency range, supporting RF frequencies from 1700MHz to 2200MHz, which covers most of the 2G, 3G, and 4G LTE bands.
• High Linearity: With an input IP3 of 24.5dBm at 1960MHz, the MAX19985ETX+ provides excellent linearity, ensuring low distortion in complex signal environments.
• Low Noise Figure: The device boasts a low noise figure of 9.7dB at 1960MHz, contributing to superior signal-to-noise ratio (SNR) and overall system sensitivity.
• Dual Channels: This mixer features two identical channels, which can be used for diversity reception or for handling I/Q signals in complex modulation schemes, enhancing receiver performance and flexibility.
• Integrated LO Buffers: The inclusion of integrated LO buffers simplifies design and reduces component count, while also providing consistent LO drive to the mixers.
• Compact Package: Packaged in a compact, 36-pin thin QFN (6mm x 6mm) with exposed paddle, the MAX19985ETX+ saves valuable board space and is suitable for high-density designs.

Applications

• Wireless Infrastructure (GSM, WCDMA, LTE)
• Point-to-Point and Point-to-Multipoint Radios
• IF Sampling Receivers
• Military Systems

The MAX19985ETX+ is designed to deliver exceptional RF performance and reliability for systems requiring high dynamic range and low distortion. Its robust construction and advanced SiGe technology make it a top choice among engineers looking to optimize their RF and IF signal chains for high-performance wireless communication systems.