="lineno">  170</span>&#160;<span class="comment">  @param input the signal input.</span></div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="comment">  @return the signal output.</span></div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="comment">  @note Timing: 16 - 20 us</span></div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="comment">  */</span></div><div class="line"><a