OWPASS and HIGHPASS, and the</span></div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="comment">  centre frequency to pass or reduce for BANDPASS and NOTCH.</span></div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="comment">  @note Timing 25-30us</span></div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="comment">  @note The frequency calculation is VERY &quot;approximate&quo