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</o:shapelayout></xml><![endif]--></head><body lang=FR-CA link=blue vlink=purple style='word-wrap: break-word;-webkit-nbsp-mode: space;line-break:after-white-space'><div class=WordSection1><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Use the following schematic :<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="https://userdisk.webry.biglobe.ne.jp/000/024/65/1/VcfSSM0602a.GIF">https://userdisk.webry.biglobe.ne.jp/000/024/65/1/VcfSSM0602a.GIF</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>and modify the 1st and 2<sup>nd</sup> filter sections to be HPF and keep the 3<sup>rd</sup> and 4rth as LPF.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>You will end up with a 12db/oct Bandpass filter using one SSM2164 IC.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>JP<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-CA style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>De :</span></b><span lang=EN-CA style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Paul Dugan [mailto:mathlyfe@icloud.com] <br><b>Envoyé :</b> 5 juin 2019 0</span><span lang=FR style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>0:50<br><b>À :</b> jpdesroc@oricom.ca<br><b>Objet :</b> Re: [sdiy] Possible 2164 12db/oct bandpass filter design..<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi there,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I saw an old thread on the SDIY mailing list about a 12db/oct bandpass filter. I’m looking for something similar myself, so I tried to follow the link <span style='background:white'><a href="http://www.arcenson.com/public/2164_BP_filter.JPG">http://www.arcenson.com/public/2164_BP_filter.JPG</a></span> but it appears to be dead. Any chance you have that file saved and can share it?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Cheers,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Paul<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>