Library

Comments on distortion in Power Amplifiers Baxandall Peter   In 1995, Peter Baxandall wrote a long (35 pages) personal letter to Douglas Self. In the letter, which has never been published before, Peter comments on Douglas' series of…

Vol 1-1 Burkhard Vogel from Stuttgart, Germany commented to Ovidiu Popa's article in Vol 1 "On the Noise performance of Low Noise Input Stages", and to Brad Wood's letter to the same article. Vogel's letter…

Vol 1-3 Dr. Ramkumar Ramaswamy wrote a nice article for Linear Audio "A universal Continuous-Time active filter", Vol 1, pp 77. I had an intersting discussion with Ramkumar about the meaning of the  "Characteristic…

Vol 1-0 Menno van der Veen commented to Bruno Putzeys' article in Vol 1 "The F-word - or, why there is no such thing as too much feedback". In replying to Menno, Bruno en passant comes up with a conclusion in which way…

Vol 1-2 Another comment to Bruno Putzeys' article in Vol 1 "The F-word - or, why there is no such thing as too much feedback", this time from Marcel van de Gevel. Marcel adds a few pieces to the puzzle on where the '…

Vol 0-1 Christopher Paul from Bayport, NY, USA commented on Stuart Yanigers article in Vol 0: "Split the Difference: The Truth about the Humble Cathodyne". Here are his views and Stuart's reply.

Vol 1-4 Cyril Bateman commented on Ed Simon's article on resistor non-linearity in Vol 1. Cyril recalled some vintage testequipment documentation and application notes for measuring passive device non-linearities. He has graciously provided…

Vol 0-4 Both Burkhard Vogel, from Stuttgart, Germany, and Dave Kimber from London, UK commented on Frank Blohbaums article in Vol 0 "A New Low-Noise Circuit Approach for Pentodes". Their comments and Frank's replies are here.

Vol 0-4 Both Burkhard Vogel, from Stuttgart, Germany, and Dave Kimber from London, UK commented on Frank Blohbaums article in Vol 0 "A New Low-Noise Circuit Approach for Pentodes". Their comments and Frank's replies are here.

Vol 0-5 Burkhard Vogel from Stuttgard, Germany wrote a letter with comments to Joachim Gerhard's article in Vol 0: "Down the Rabbit Hole - Adventures in the Land of Phonostages". Joachim replied here.

  In the article by Joachim Gerhard in Vol 0, "Down the Rabbit Hole - Adventures in the land of Phonostages", some text between pages 38 and 39 was left out through an error of mine. The missing passage, with text before and…

Vol 0-6 Peter van Willenswaard from Bergschenhoek, The Netherlands, commented on Stuart Yanigers article in Vol 0: "Split the Difference: The Truth about the Humble Cathodyne". Their views can be read here.

Vol 1-5 Brad Wood from Canoga Park, CA, USA, commented to the article by Ovidiu Popa in Vol 1 "On the Noise performance of Low Noise Input Stages". Ovidiu replied to each comment here.

Vol 1-6 Samuel Groner from Zurich, Switzerland, commented on Ed Simon's article in Vol 1 "Resistor non-linearity - there's more to Ohm than meets the eye". The comments, along with Ed's reply…