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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>John was the closest.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The piece is a attenuator, a precision 10 GHZ attenuator 6 dB.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The “dumbbell” was housed in a aluminum cylinder that kept a constant impedance thru the pad.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The blue discs are 155 ohm resistors from the center brass ring to the out edge and the cylinder in the middle is a 39 ohm resistor.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Those values in a PI configuration = a 6 db attenuator…<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>See below<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><img width=827 height=806 id="Picture_x0020_1" src="cid:image001.png@01DA397A.E662A9F0"></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>PaulC<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>W1VLF<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Check out my <a href="https://www.youtube.com/user/W1VLF/videos"><span style='color:blue'>Youtube Channel W1VLF </span></a></span><u><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:blue'><o:p></o:p></span></u></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> 450 [mailto:450-bounces@lists.vhfwiki.com] <b>On Behalf Of </b>Daniel May<br><b>Sent:</b> Wednesday, December 27, 2023 3:25 PM<br><b>To:</b> 450 List<br><b>Subject:</b> Re: [450] Guess the component<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Old style (antique radio) variable resistance volume control.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><div><p class=MsoNormal>On Wed, Dec 27, 2023, 2:42 AM John Foege <<a href="mailto:john.foege@gmail.com">john.foege@gmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=MsoNormal>I also thought "dumbbell for a dwarf"...<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>It looks like some thru-line section for an oil filled dummy load....<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>What is it?! Tell us!<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Sun, Dec 24, 2023, 5:50 PM Robert Busino <<a href="mailto:n1ujs@toast.net" target="_blank">n1ujs@toast.net</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'>Still awaiting your last response!<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'> <o:p></o:p></span></p></div><div class=MsoNormal align=center style='text-align:center'><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'><hr size=2 width="100%" align=center></span></div><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>: "Paul Cianciolo" <<a href="mailto:paulc@snet.net" target="_blank">paulc@snet.net</a>><br><b>Sent</b>: Friday, December 22, 2023 2:36 PM<br><b>To</b>: <a href="mailto:450@lists.vhfwiki.com" target="_blank">450@lists.vhfwiki.com</a><br><b>Subject</b>: [450] Guess the component</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'> <o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hazard a guess as to what this is?<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>PaulC<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>W1VLF<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Check out my <a href="https://www.youtube.com/user/W1VLF/videos" target="_blank">Youtube Channel W1VLF </a><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div><p class=MsoNormal>_______________________________________________<br>450 mailing list<br><a href="mailto:450@lists.vhfwiki.com" target="_blank">450@lists.vhfwiki.com</a><br><a href="http://lists.vhfwiki.com/cgi-bin/mailman/listinfo/450" target="_blank">http://lists.vhfwiki.com/cgi-bin/mailman/listinfo/450</a><o:p></o:p></p></blockquote></div><p class=MsoNormal>_______________________________________________<br>450 mailing list<br><a href="mailto:450@lists.vhfwiki.com" target="_blank">450@lists.vhfwiki.com</a><br><a href="http://lists.vhfwiki.com/cgi-bin/mailman/listinfo/450" target="_blank">http://lists.vhfwiki.com/cgi-bin/mailman/listinfo/450</a><o:p></o:p></p></blockquote></div></div></div></div></body></html>