{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.calculatorx.com/schemas/electrical.rf.coax/1.0.1/input.json",
  "title": "Coax Impedance — input",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "D_m": {
      "type": "number",
      "exclusiveMinimum": 0,
      "description": "Shield / outer-conductor inner diameter in metres."
    },
    "d_m": {
      "type": "number",
      "exclusiveMinimum": 0,
      "description": "Center-conductor outer diameter in metres."
    },
    "er": {
      "type": "number",
      "exclusiveMinimum": 0,
      "default": 1,
      "description": "Relative permittivity of the homogeneous dielectric; defaults to 1.0 (air)."
    }
  },
  "required": [
    "D_m",
    "d_m"
  ],
  "description": "Z0 of coaxial line from shield inner diameter D, center-conductor diameter d, and εr. Omitted εr defaults to 1.0. (calculation_version 1.0.1)"
}