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Filter 40K

两通道无源滤波器,主要用于D类放大器音频测量,为测试精度提供信号预处理,通带为20Hz至40kHz。
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    • Commodity name: Filter 40K
    • Commodity ID: CAF4

    两通道无源滤波器,主要用于D类放大器音频测量,为测试精度提供信号预处理,通带为20Hz至40kHz。

    Dual channel multipole LRC passive low-pass filter, mainly used for audio measurement of Class-D amplifier. It can provide audio out of band attenuation and reduce the steepness of fast conversion edges, providing signal preprocessing for testing accuracy, with a passband of 20-40kHz.

    Key words:
    • 滤波器
    • 特性
    • 提供
    • 双通道
    • 衰减
    • 它能
    • 并且
    • 放大器
    • CAF4
  • Number of channels: 2

    Frequency response: ±0.08 dB, 20 Hz - 40 kHz (dc coupled)

    Insertion loss: −0.054 dB typical

    High frequency attenuation: typical > 52 dB, 400 kHz - 20 MHz

    Maximum input:± 200 Vpk [140 Vrms], dc to 15 kHz, decreasing to 75 Vpk [53 Vrms] from 40 kHz to 2 MHz

    Channel crosstalk: 90 dB at 20 kHz

    distort:< -110 dB harmonic (measured at 70 Vpp, 1 kHz)

                < -100 dB IMD (at 70 Vpp with 18 kHz and 20 kHz dual-tone test signal)

     

     

     

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