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Filter 20K

Dual channel passive filter, mainly used for audio measurement of Class-D amplifier, provides signal preprocessing for test accuracy, with passband of 20Hz to 20kHz.
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    • Commodity name: Filter 20K
    • Commodity ID: CAF2

    Dual channel passive filter, mainly used for audio measurement of Class-D amplifier, provides signal preprocessing for test accuracy, with passband of 20Hz to 20kHz.

    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 20-20kHz.

     
    Key words:
    • 滤波器
    • caf2
    • 特性
    • 提供
    • 双通道
    • 衰减
    • 它能
    • 并且
    • 放大器
  • Number of channels: 2

    Frequency response: ±0.05 dB, 20 Hz -20 kHz (dc coupled)

    Insertion loss: −0.054 dB typical

    High frequency attenuation: typical > 50 dB, 250 kHz - 20 MHz

    Maximum input:± 200 Vpk [140 Vrms], dc to 7.5 kHz, decreasing to 75 Vpk [53 Vrms] from 20 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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