fixing doc and more comments concerning the bandwidth for reflection resonators
"- $\\Delta L$ is the total effective increase in length of the resonant strip due to the fringing field at the ends of the resonant strip (neglected below for the example)\n",
"\n",
"and \n",
+ "\n",
"$$ \\tan \\delta = \\frac{1}{Q} - \\frac{1}{Q_c} $$\n",
+ "\n",
"where:\n",
"- $Q_c$ is the Q-value associated with the copper loss: 250 at 2 GHz and 360 at 4 GHz according to IPC."
]
