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<DIV dir=ltr align=left><SPAN class=910380901-15112020><FONT color=#0000ff
size=2 face=Arial>I've actually been accused of designing modules that sound
"too clean" and I use lots of 100k resistors all over the place. This is
one of those problems that probably isn't really a
problem.</FONT></SPAN></DIV><BR>
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<FONT size=2 face=Tahoma><B>From:</B> Synth-diy
[mailto:synth-diy-bounces@synth-diy.org] <B>On Behalf Of </B>Bernard Arthur
Hutchins, Jr<BR><B>Sent:</B> Saturday, November 14, 2020 11:36 AM<BR><B>To:</B>
synth-diy@synth-diy.org<BR><B>Subject:</B> [sdiy] Voltage Feedback Resistors and
Circuit Stability<BR></FONT><BR></DIV>
<DIV></DIV><SPAN
style="BACKGROUND-COLOR: #ffecb3; COLOR: #000000; FONT-SIZE: 12px"><SPAN
style="BACKGROUND-COLOR: #ffecb3; COLOR: #000000; FONT-SIZE: 12px"><SPAN
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Non-UBC Email]</SPAN></SPAN></SPAN>
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<P style="LINE-HEIGHT: 107%; MARGIN: 0in 0in 8pt; FONT-SIZE: 11pt"
class=MsoNormal><FONT face="Arial, sans-serif"> </FONT><SPAN
style="FONT-FAMILY: Arial, sans-serif">AWKWARD Questions </SPAN><O:P
style="FONT-FAMILY: Arial, sans-serif; font-variant-ligatures: inherit; font-variant-caps: inherit"> </O:P></P>
<P
style="LINE-HEIGHT: 107%; MARGIN: 0in 0in 8pt; FONT-FAMILY: Calibri, sans-serif; FONT-SIZE: 11pt"
class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial',sans-serif"><O:P></O:P></SPAN></P>
<P
style="LINE-HEIGHT: 107%; MARGIN: 0in 0in 8pt; FONT-FAMILY: Calibri, sans-serif; FONT-SIZE: 11pt"
class=MsoNormal><SPAN style="FONT-FAMILY: 'Arial',sans-serif">(1) <SPAN
style="mso-spacerun: yes"> </SPAN>In a synthesizer with standard
signal levels of +/- 5, has anyone even HEARD Johnson noises, let alone been
able to attribute it to a particular resistance?<SPAN
style="mso-spacerun: yes"> </SPAN><O:P> </O:P></SPAN></P>
<P
style="LINE-HEIGHT: 107%; MARGIN: 0in 0in 8pt; FONT-FAMILY: Calibri, sans-serif; FONT-SIZE: 11pt"
class=MsoNormal><SPAN style="FONT-FAMILY: 'Arial',sans-serif"><SPAN
style="mso-spacerun: yes"> </SPAN><O:P> </O:P></SPAN></P>
<P
style="LINE-HEIGHT: 107%; MARGIN: 0in 0in 8pt; FONT-FAMILY: Calibri, sans-serif; FONT-SIZE: 11pt"
class=MsoNormal><SPAN style="FONT-FAMILY: 'Arial',sans-serif">(2) <SPAN
style="mso-spacerun: yes"> </SPAN><SPAN
style="mso-spacerun: yes"> </SPAN>Given a 100k resistor, how does one
(specific circuit/methodology please) observe/hear its Johnson noise as compared
to a 10k?<O:P> </O:P></SPAN></P>
<P
style="LINE-HEIGHT: 107%; MARGIN: 0in 0in 8pt; FONT-FAMILY: Calibri, sans-serif; FONT-SIZE: 11pt"
class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial',sans-serif"><O:P></O:P></SPAN></P><SPAN
style="LINE-HEIGHT: 107%; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 11pt">-Bernie
<SPAN style="mso-spacerun: yes"> </SPAN><SPAN
style="mso-spacerun: yes"> </SPAN></SPAN><BR></DIV></BODY></HTML>