{
  "kind": "合成输入与数学模型输出，非设备实测",
  "article": "https://qifudev.com/article/db-minus3-filter-amplitude/",
  "tool": "https://qifudev.com/tools/decibel-voltage/",
  "formula": "Av = 10^(dB/20)；Vout = Vin × Av；同阻抗Pout/Pin = 10^(dB/10)",
  "inputs": [
    {
      "name": "相对电压增益",
      "key": "decibels",
      "value": -3.0102999566,
      "unit": "dB"
    },
    {
      "name": "参考输入电压",
      "key": "reference",
      "value": 1,
      "unit": "V"
    }
  ],
  "outputs": [
    {
      "name": "电压倍数",
      "key": "voltageRatio",
      "value": 0.7071067811897885,
      "unit": "倍"
    },
    {
      "name": "输出电压",
      "key": "voltage",
      "value": 0.7071067811897885,
      "unit": "V"
    },
    {
      "name": "同阻抗功率比",
      "key": "powerRatio",
      "value": 0.5000000000045836,
      "unit": "倍"
    }
  ],
  "warnings": [],
  "assumptions": "不计算放大器饱和、供电轨、负载驱动或声压级。输入电压与输出必须使用一致的峰值、峰峰值或有效值定义。",
  "source": {
    "label": "Analog Devices：分贝、电压与参考电平",
    "url": "https://www.analog.com/en/resources/analog-dialogue/articles/logarithmic-amplifiers-explained.html"
  },
  "measured": {
    "device": null,
    "firmware": null,
    "environment": null,
    "instrument": null,
    "result": null,
    "verdict": null
  }
}