
Home  Forums  Rules  Articles  The diyAudio Store  Gallery  Blogs  Register  Donations  FAQ  Calendar  Search  Today's Posts  Mark Forums Read  Search 
The Lounge A place to talk about almost anything but politics and religion. 

Please consider donating to help us continue to serve you.
Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving 

Thread Tools  Search this Thread 
29th December 2012, 12:57 PM  #31901  
diyAudio Member

Quote:


29th December 2012, 01:08 PM  #31902 
diyAudio Member

I think this is what John wants. B&KTR 961 Reduction of Nonlinear Distortion in Condenser Microphones by Using Negative Load Capacitance .................................................. .................... 19 by Erling Frederiksen It contains a full mathematical derivation of distortion as related to load capacitance, with verification by mechanical measurements.
__________________
"The question of who is right and who is wrong has seemed to me always too small to be worth a moment's thought, while the question of what is right and what is wrong has seemed allimportant." 
29th December 2012, 01:20 PM  #31903 
diyAudio Member

Johnson's derivation of the noise of an RC network is taught by sophomore year, so what?
__________________
"The question of who is right and who is wrong has seemed to me always too small to be worth a moment's thought, while the question of what is right and what is wrong has seemed allimportant." 
29th December 2012, 01:26 PM  #31904  
diyAudio Moderator

Quote:
__________________
"Pity, wrath, heroism, filled them, but the power of putting two and two together was annihilated." EM Forster 

29th December 2012, 01:46 PM  #31905 
diyAudio Member
Join Date: Jul 2003
Location: berkeley ca

Thanks Dimitri, I knew you could come through!

29th December 2012, 02:01 PM  #31906 
diyAudio Member
Join Date: Jul 2003
Location: berkeley ca

There is an equation around somewhere as well. That is what I was first looking for, but the GRAPH that you found, Dimitri SAYS IT ALL! Thanks.

29th December 2012, 02:17 PM  #31907 
diyAudio Member
Join Date: Jul 2003
Location: berkeley ca

Please note dynamic input resistance and capacitance of B&K mike preamp:

29th December 2012, 02:51 PM  #31908 
diyAudio Member
Join Date: Dec 2007
Location: Italy

Lavry paper applies only to sigmadelta conversion.
__________________
"The total harmonic distortion is not a measure of the degree of distastefulness to the listener and it is recommended that its use should be discontinued." D. Masa, 1938 
29th December 2012, 07:22 PM  #31909 
diyAudio Member
Join Date: Jul 2003
Location: berkeley ca

Here is another important graph:

29th December 2012, 10:19 PM  #31910 
diyAudio Member

However, if they were dealing with high parasitic capacitance of resistors, they were right. Were they multilayer?
__________________
The Devil is not so terrible as his math model is! 
Thread Tools  Search this Thread 


New To Site?  Need Help? 