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Elfidelity AXF-100 USB Power Source HiFi Interface Preamp Internal Filter

$ 18.48

Availability: 100 in stock
  • Condition: New
  • Features: USB Interface
  • All returns accepted: ReturnsNotAccepted
  • Brand: Elfidelity

    Description

    Elfidelity USB 内部滤波器
    描述:
    USB内置滤波器是专为USB(音频)设备设计的前置级,提供USB数据和电源,采用先进的滤波电路设计和全新的接地共模EMI/EMU隔离设计,以及高精度可靠、专业的分立元件会给您良好的USB供电体验。
    常用于USB接口/USB数字声卡、USB解码器/USB DAC、USB功放/USB功放和USB音箱/USB功放等,是一种USB-Audio辅助升级方案。
    规格:
    - 最大电流:5A
    - 最大功率:25W
    - 自动电源切换速度:<5ms
    - 纹波系数:<1Hz
    - 尺寸 (PCB):90 x 60 毫米
    - 重量:130 克
    产品在硬件层严格按照差分布线规范设计,通过了工业级EMI电磁干扰测试。
    内置电源直接从电源进口,完全隔离USB总线电源,消除主板等用电设备的干扰。
    1.逐步(流水线)梯形过滤
    2、有效过滤纹波干扰
    3 Large clutter is buffered, and its instantaneous buffer current can reach 5-6.8A to provide "0" Hz power supply quality for USB devices. Provide a good pure power supply for USB-audio audio equipment.
    USB data  and Power supply:
    USB data:
    choose a good USB native signal
    USB power supply: support both internal and external modes (PC SATA power supply and external power supply can be switched)
    Safeguards for USB power supply:
    ①. Internal and external power supply can be judged by itself, automatically switched, and self-protected. The external power supply is lower than 4.8V or removed, and it automatically and seamlessly switches back to the internal power supply. The device will not be lost or damaged.
    ②.
    PC关机后,外部电源自动断开,确保USB音频设备完全断电,防止USB无信号设备空载损坏,节省外部电源能量。
    灯的作用:
    绿灯(DATA)表示处于内置电源状态
    红灯(External Power)表示处于外接供电状态
    黄灯(Build in Power)提示USB信号是否连接
    包裹:
    1PC内置USB电源滤波板
    1PC USB 2.0 数据线
    1PC USB 3.0 数据线