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Audio switch

Audio switch box, used to expand the input and output capabilities of a dual channel audio analyzer. 2 input/output channels can be expanded to any two of 12 input/output channels, avoiding wire plugging and unplugging caused by interface replacement during multi-channel product testing, and improving testing efficiency.
  • Features
  • Specification
  • Options and upgrades
  • Resource centre
    • Commodity name: Audio switch
    • Commodity ID: SWU/SWF/SWM

    Audio switch box, used to expand the input and output capabilities of a dual channel audio analyzer. 2 input/output channels can be expanded to any two of 12 input/output channels, avoiding wire plugging and unplugging caused by interface replacement during multi-channel product testing, and improving testing efficiency.

    The 12-channel audio switch box system switching circuit adopts high-reliability electromechanical relays to maintain the integrity of the signal source and the input signal of the device under test, and this series of products has excellent separation characteristics. Balanced at 20kHz is less than -150dB. The audio switching signal is controlled by the DB25 interface, the switching operation is integrated in the ATC control software, and the corresponding fast switching between channels can be observed from the LED indicator.

    At the heart of each switch is a 12*2 matrix of crosspoints. Either of the two commonalities can be connected to any of the 12 selectable points via software control. The internal circuit is balanced, but unbalanced circuits can also be used in the BNC type, which is a floating (ungrounded) configuration. Up to 16 switches can be used separately in a single system, allowing the test input and output of 192 channels each for the device under test. The additional switch is connected in series through the DB25 interface on the back panel, and the address selection switch next to it can specify the desired channel value, such as 1-12, 13-24, etc

    Key words:
    • 开关
    • 通道
    • 一个
    • 电路
    • 控制
    • 使用
    • bnc
    • 设备
    • 12
  • Performance indicators

    Maximum input voltage: 230Vpk, 160Vrms

    Maximum signal power: 5W or 200mA

    Channel isolation: Balanced 600Ωload -150dB@20KHz -130dB@100KHz

    Unbalanced 600Ωload -130dB@20KHz -120dB@100KHz

    Series impedance: < 0.3Ω

    Parallel capacitive reactance: <90pF

    Reverse terminal: SWM12/604Ω, 250mW

    Power supply: DC 5V 3A

    Operating temperature: 0°C to +50°C

    Storage temperature: -40°C to 75°C

    Humidity: 10% - 80%

    Height: 0 – 2000m

    Product size: 42cm x 4.4cm x 27cm

    Product weight: Approximately 4.5kg

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