The U7227F USB preamplifier (2 to 50 GHz) brings reliable gain and low noise figure to measurement systems. It improves the overall system performance and reduces systematic errors.

U7227F USB 前置放大器（2 至 50 GHz）可为测量系统带来可靠的增益和低噪声系数。 它能提高整体系统性能并减少系统误差。 这款 USB 前置放大器在连接到 X 系列信号分析仪后，会自动配置分析仪对所连接的前置放大器进行检测，并下载嵌入式校准数据，例如增益、噪声系数和 S 参数。 校准数据可为每次测量提供准确的校正数据，提高测量的可重复性。 需要帮助或遇到问题？

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Powered on a USB platform, compact and portable, the USB preamplifiers eliminates the need for an external power supply and is ideal for either benchtop measurements or on remote front end applications.

SGM7227 是一款 DPDT（双刀双掷）模拟开关。 它采用 1.8V 至 4.3V 单电源供电。 SGM7227 的每个开关都是双向的，可以确保高速信号在输出端几乎没有衰减。 SGM7227 具有高速、低功耗和宽带宽的特点。 高性能使其非常适合多种应用，例如手机和计算机外设等。 SGM7227 具有断电保护功能。 它可以防止意外信号泄漏，并确保断电和过压条件下的系统可靠性。 此外，由于 D+/D- 引脚上的特殊电路，该器件在通电或断电时能够承受 VBUS 短路至 D+ 或 D-。 SGM7227 采 …

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UM7227 – Circuit IC Switch from Union Semiconductor International Limited. Pricing and Availability on millions of electronic components from Digi-Key Electronics.

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