{
  "signal": [
    {
      "name": "pwm_A",
      "wave": "01..0...1..0"
    },
    {
      "name": "pwm_B",
      "wave": "1.01.....01."
    }
  ],
  "head": {
    "text": "Dual Edge Symmetric Waveform, Complementary"
  }
}