ntation.</p>
  <p><img src="img/UltraSynth.svg" /></p>
  <h2 id="parameters"><a href="#parameters" class="header-anchor"
  aria-hidden="true">Parameters</a></h2>
  <h3 id="gain"><a href="#gain" class="header-anchor"
  aria-hidden="true">Gain</a></h3>
  <dl>
  <dt>Gain</dt>
  <dd>
  <p>Output gain.</p>
  </dd>
  <dt>Rect.</dt>
  <dd>
  <p>Mixing ratio of full wave rectified signal.</p>
  </dd>
  <dt>Sat.</dt>
  <dd>
  <p>Mixing ratio of the signal distorted by square root.</p>
  </dd>
  <dt>A, D, S, R</dt>
 