{"id":148,"date":"2019-03-14T07:04:44","date_gmt":"2019-03-14T06:04:44","guid":{"rendered":"http:\/\/lacoste.link\/?page_id=148"},"modified":"2019-03-14T07:06:55","modified_gmt":"2019-03-14T06:06:55","slug":"temoignages","status":"publish","type":"page","link":"https:\/\/lacoste.link\/index.php\/temoignages\/","title":{"rendered":"Temoignages"},"content":{"rendered":"\n<p>Quelques t\u00e9moignages re\u00e7us suite \u00e0 mes publications. Merci \u00e0 tous !<\/p>\n\n\n\n<p>\u201c<em>More\nthan anyone since the early days of my own career, Bob Lacoste is a\none-man electronics design factory.  The knowledge he brings to the\ntable in contest entries and Circuit Cellar articles raises the\ncompetitive bar for all other engineers.<\/em><em>\u201c<\/em><\/p>\n\n\n\n<p><em>Steve Ciarcia,\nPublisher, Circuit Cellar Magazine, USA<\/em><\/p>\n\n\n\n<p> \u201c<em>Congratulations\non excellent work. Keep the Flame Burning.\u201d<\/em><\/p>\n\n\n\n<p><em>Sudhir\nGupta, MCI Journal<\/em><\/p>\n\n\n\n<p><em>\u00ab I\nenjoy reading the magazine, but your article is the first one that I\nhave ever really understood.  Thank You again for writing such a\nsensational article.\u201d<\/em><\/p>\n\n\n\n<p><em>George\nBrewer, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0Your\narticle is dripping with intelligence and determination.  it was an\neye opener to read.  You are to be commended for putting it all\ntogether.  for someone trying to learn how to use a PIC as a video\nsource it is inspiring\u00a0\u00bb<\/em><\/p>\n\n\n\n<p><em>Bob Weir, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0Thank\nyou very much for your fine article that was recently published in\nCIRCUIT CELLAR. [\u2026] Again, thank you very much for sharing a very\nwell-done and inovative project!\u00a0\u00bb<\/em><\/p>\n\n\n\n<p><em>Steve\nHadfield, Evans &amp; Sutherland Computer Corporation,,Salt Lake\nCity, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0I\nread your write-up in Circuit Cellar (December 02) describing your\nvector network analyzer. I enjoyed it immensely, learned a lot, and\nwas very impressed with the design. Thanks for publishing the\narticle.\u00a0\u00bb<\/em><\/p>\n\n\n\n<p><em>Larry\nCoyle, LCB Systems, USA<\/em><\/p>\n\n\n\n<p>\u201c<em>Your\ndesign was the reason I signed up to a Circuit Cellar subscription in\nthe first place. I accidentally came across a copy at work.\u201d<\/em><\/p>\n\n\n\n<p><em>Svein\nHenriksen, Norway<\/em><\/p>\n\n\n\n<p>\u201c<em>The\nlow-cost reflow oven is a fantastic project. Again, thank you so much\nfor your wonderful design idea!\u201d<\/em><\/p>\n\n\n\n<p><em>Teemu\nKorpiaho, Tampere, Finland<\/em><\/p>\n\n\n\n<p><em>\u00a0\u00bb\nI&rsquo;m a student from Colombia and a big admirer of your work.\u201d<\/em><\/p>\n\n\n\n<p><em>Felipe Olmos Pardo,\nUniversidad de los Andes, Bogot\u00e1, Colombia<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0I\nsaw circuit cellar&rsquo;s page regarding your I2C MMI chip and was very\nimpressed. Congratulations ! \u00ab\u00a0<\/em><\/p>\n\n\n\n<p><em>Rodolfo\nMagnus<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;All\nI can say is you are the \u00ab\u00a0Einstein\u00a0\u00bb of embedded systems \u00bb<\/em><\/p>\n\n\n\n<p><em>Rahul\nSapre, India<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0On\nbehalf of the editorial staff, I want to thank you for your amazing\ncontribution to Circuit Cellar. We are amazed by the quality of work\nthat you complete for us.\u201c<\/em><\/p>\n\n\n\n<p><em>C.J.\nAbate, Managing Editor, Circuit Cellar, USA<\/em><\/p>\n\n\n\n<p>\u201c<em>Congratulate\nyou on your fantastic design !&nbsp; It&rsquo;s inspired !\u201d<\/em><\/p>\n\n\n\n<p><em>Juan Rivera, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;I\nenjoyed your most informative \u201cDarker Side\u201d article on FIR\nFilters this month in Circuit Cellar.  I have a much better\nunderstanding of the FIR filter mechanism than ever before \u00bb<\/em><\/p>\n\n\n\n<p><em>Jim\nLeftwich, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;I\nhave to say, your doing such a great job with your articles. I have\nbeen finding the magazine a little dry and sparse for the past two\nyears, but lately your articles have really kept my interest in the\nmagazine. I love your approach to DSP. I hope more related articles\nlike the \u00ab\u00a0No Fear With FIR\u00a0\u00bb are to come. Keep up the great\nwork! Thanks! \u00bb<\/em><\/p>\n\n\n\n<p><em>Eric\nFernandez, Computer ingineering student, California State University,\nUSA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;I\nread your FIR article in Circuit Cellar today and I just had to\ncompliment you on it.&nbsp; It is an EXCELLENT article!&nbsp; I\nlearned a huge amount from it and I can honestly say I understand how\nan FIR filter works now.&nbsp; Authors who can relate mathematical\nconcepts to real world application examples as you did in the article\nare a rare find \u00bb<\/em><\/p>\n\n\n\n<p><em>Jeff\nHeiss<\/em><\/p>\n\n\n\n<p>\u201e<em>Nice\nwork in your latest circuit cellar article \u00ab\u00a0No Fear with FIR\u00a0\u00bb.\n I took a signals class many years ago and your article taught me\nmore than I remembered from the class.\u201c<\/em><\/p>\n\n\n\n<p><em>Chris<\/em><em>\nCoulston<\/em><\/p>\n\n\n\n<p>\u201e<em>I\nhave read you article abou FIR Filters on CC #207 and I found it very\ngood, as it deal with real implementation aspects. \u201c<\/em><\/p>\n\n\n\n<p><em>Felipe\nUderman<\/em><\/p>\n\n\n\n<p>\u201e<em>I\nenjoyed reading your article on Phase Locked Loops in December 2007\nCircuit Cellar. It brought me back to the days when I used to do a\nlot more RF design and development work. And my first UHF PLL was\nabout 25 years ago running at about 900 Mhz.\u201c<\/em><\/p>\n\n\n\n<p><em>Charles\nKosina, Director, CSE Systems Pty Ltd, Australia<\/em><\/p>\n\n\n\n<p>\u201e<em>I\nread your article in my subscription of Circuit Cellar with great\nenthusiasm and I wanted to say it is an EXCELLENT article.  I learned\na huge amount.  I really like how you focus on real, existing,\nexamples and present the theory behind it in a clear format.  \u201c<\/em><\/p>\n\n\n\n<p><em>Jeff\nheiss, USA<br>\n<\/em><br>\n\n<\/p>\n\n\n\n<p><em>\u00ab\u00a0Robert,I\u2019m\nwriting from the Embedded Systems Conference in San Jose, California.\nI want to you to know that two people who passed our booth yesterday\ntold me how much they are enjoying your columns. One of them stopped\nover very quickly and said the he thought your \u201cLow-Power\nTechniques\u201d column in Issue 213 was one of the most helpful\narticles that he has read in years! Thank you, Robert!\u201c<\/em><\/p>\n\n\n\n<p><em>C.J.\nAbate, Managing Editor, Circuit Cellar, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0Thank\nyou for contributing the terrific article on low-power techniques in\nthe April issue of Circuit Cellar. I appreciate your systematic\napproach to minimizing energy consumption and the many good ideas\npresented. \u201c<\/em><\/p>\n\n\n\n<p><em>Alan\nWestwick, Design Manager, MCU Products, Silicon Laboratories, Inc.<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0Hi\nRobert&#8230; I\u00b4m an international Circuit Cellar reader, from\nBrazil.The first time that I read the Darker Side i thought&#8230; OOhhh,\nthis guys is a mentor&#8230; Keep writing article like this&#8230; The Darker\nSide = Awesome\u201c<\/em><\/p>\n\n\n\n<p><em>Bruno\nMuswieck, Brazil<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0I\nwas VERY impressed with your article \u2018Low-Power techniques\u2019 in\nAprils Circuit Cellar. Very useful and also well written (unusual in\nour business)\u201c<\/em><\/p>\n\n\n\n<p><em>Simon\nClegg, MicroWatt &#8211; Consulting Electronics Engineers, UK<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0Your\narticle on crystals is excellent.&nbsp; I had a very basic\nunderstanding from school, but your article filled in a lot of gaps.\u201c<\/em><\/p>\n\n\n\n<p><em>Don\nJackson, General Manager &#8211; R4 Systems Inc., USA<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0Thank\nyou for your recent article on PID loops. I am an industrial controls\nengineer working on many system that incorporate the PID loop\ncontrol. I have been using them for over 20 years now and can\npractically tune a loop in my sleep. And on some of those late night\nstart-up that&rsquo;s not far from the truth. I enjoyed reading your\narticle and you give a very good and clear description of the PID\nloop.\u201c<\/em><\/p>\n\n\n\n<p><em>Jack\nBlum, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0I\nenjoyed reading your article \u00ab\u00a0PID Control Without Math\u00a0\u00bb.  I\nstarted reading it to look for technical errors, which is how I\nusually approach control systems articles in trade magazines.  But\nwhen I got to the middle of your second paragraph I decided that it\nhad to be a good article (so you see what citations do for you!).\u201c<\/em><\/p>\n\n\n\n<p><em>Tim\nWescott, Wescott Design Services, USA<\/em><\/p>\n\n\n\n<p>\u201e<em>Just\nwanted to say that I have really been enjoying the darker side as you\nhave done a great job of taking scary complex stuff and explaining it\nin a way that is really effective.  A lot of important analog stuff\nis glossed over in a world where things are seen as digital but in\nreality are still very dependent on handling analog type behaviour.  \nKeep up the great work and I\u2019m looking forward to your next\narticle!!\u201c<\/em><\/p>\n\n\n\n<p><em>Peter\nStephens, Australia<\/em><\/p>\n\n\n\n<p>\u201e<em>I\nenjoy reading The Darker Side in Circuit Cellar very much.  I believe\nmyself to be a well-rounded professional in the embedded systems area\nand get slightly annoyed at the technical errors in some of the other\nauthor&rsquo;s work.  You, however, obviously know what you&rsquo;re talking\nabout, and write about it in an accessible way.\u201c<\/em><\/p>\n\n\n\n<p><em>Graham Davies,\nhttp:\/\/www.ecrostech.com<\/em><\/p>\n\n\n\n<p>\u201e<em>Just\nwanted to say thanks for the artical on High-Speed Signal\nTransmission.  I work here at the University of Alberta taking care\nof a communications lab and think that students seeing EYE traces on\na scope and seeing how to improve ISI is a good idea.  Because of\nyour artical I&rsquo;m going to bring it up with the prof&rsquo;s.  Even if its\nnot approved for the course I hope you don&rsquo;t mind if I put the\nartical up in the lab. Again thanks and I hope to read more or your\nstuff.\u201c<\/em><\/p>\n\n\n\n<p><em>Steve\nDrake, University of Alberta<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0Every\none of Robert Lacoste&rsquo;s The Darker Side articles gets my undivided\nattention as soon as the magazine appears in my mailbox.  His ability\nto present, demystify and apply complex concepts is remarkable.  Keep\nup the good work, Robert!\u201d<\/em><\/p>\n\n\n\n<p><em>Dale\nWheat, Freelance Writer, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0In\nyour articles, you always talk about subjects \u201cfrom the dark side\u201d,\nbut after read it the subjects are on \u201cwhite side\u201d, it\u2019s so\nnice to read and well explained, and this what I call intelligence,\nmaking something hard become easy to understand, once again\ncongratulations.\u201c<\/em><\/p>\n\n\n\n<p><em>Bruno\nMuswieck, Research and Development Manager, Eletroeste Electric\nMaterial &amp; Energetic Consulting &#8211; Brazil<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0I\njust finished reading your very interesting and educational article \n\u201cMultirate Techniques and CIC Filters\u201d on the October issue of\nCircuit Cellar, I have read some your previous articles and found\nthem to be just as interesting and intuitive as this one; keep them\ncoming!!\u201c<\/em><\/p>\n\n\n\n<p><em>Carlos\nBarberis, Bartek Technologies, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0I\nhave just finished reading (and studying) your articles entitled\n\u00ab\u00a0Multirate Techniques and CIC Filters\u00a0\u00bb and \u00ab\u00a0Digital\nModulation Demystified\u00a0\u00bb in Circuit Cellar magazine. I really\nmust express my appreciation.  These articles are masterfully written\nand filled with useful information.  I have learned much while\nreading them. This type of high-quality content is what places\nCircuit Cellar way ahead of the competition in engineering\nperiodicals. <\/em><em>Once again, thanks!\u201c<\/em><\/p>\n\n\n\n<p><em>Bob Dvorak, Design\nEngineer, Lincoln,  NE  USA <\/em>\n<\/p>\n\n\n\n<p><em>\u00a0\u00bb&nbsp;Every\none of Robert Lacoste&rsquo;s The Darker Side articles gets my undivided\nattention as soon as the magazine appears in my mailbox.&nbsp; His\nability to present, demystify and apply complex concepts is\nremarkable.&nbsp; Keep up the good work, Robert!\u201d<\/em><\/p>\n\n\n\n<p>&nbsp;<em>Dale\nWheat, Freelance writer, Dallas, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;Robert,\nthanks for the FEC article, but in particular for the sentence\nstarting \u00ab\u00a0Eb\/N0 = 6db means&#8230;\u00a0\u00bb &#8211; the bit in brackets is\ndoubtless trivial and obvious, but for me a sudden revelation.\nSuddenly all the maths I did years ago makes sense. I knew how to \u00ab\u00a0do\nthe sums\u00a0\u00bb but they didn&rsquo;t mean anything. Hard to explain what my\nmental block was, but now it&rsquo;s sorted. Thanks again &#8211; keep up the\ngood work!&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Peter\nEllefsen, UK<\/em><\/p>\n\n\n\n<p><em>\u00abthe\narticle by Robert Lacoste was probably one of the best I have ever\nread on simplifying digital modulation down to its basics. Somehow\nRobert was able to make this quite clear in only a few pages!!  This\nis amazing given the number of books on my shelves covering this\nsubject along with my years of experience in this field.  I look\nforward to future articles along these lines. Throughout the years I\nhave read Robert&rsquo;s articles and think that he has an innate ability\nto take sometimes difficult subjects and reduce them down to an easy\nto understand few pages. Thank you and keep up the great work!&nbsp;\u00a0\u00bb&nbsp;<\/em><\/p>\n\n\n\n<p><em>Dan\nKing, Analog Device, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;I\nhave been reading your articles over the past couple of years and\nlook forward to every one and brought your recent book as an ideal\nreference guide to the darker elements that you so gracefully\nenlighten&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Rob Green<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;Thanks\nfor the great article! I always enjoy reading your Darker Side\nentries in Circuit Cellar. I&rsquo;m always amazed at how exciting it is to\nreview and relearning what are the fundamentals of Electrical\nEngineering. <\/em>\n<\/p>\n\n\n\n<p><em>Again\nThank you!  Your teaching resonate with me!&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Joseph\nTomashik, Balogh T.A.G. ,Corp. , U.S.A.<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;[Robert\nLacoste&rsquo;s The Darker Side]  is an awesome design book! It has a\nwealth of practical knowledge on many key topics in electrical\nengineering and is well worth reading from cover to cover.&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>John J.\nShea, IEEE Electrical Insulation Magazine, November-December 2010, 26\n, Issue:6, p66<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;As\na long time reader of Circuit Cellar Magazine, I have seen many\nauthors come and go; most of them excellent, none bad. Robert, in my\nopinion, is in the &lsquo;excellent&rsquo; category.&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>D.\nComer, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;I&rsquo;m\nan Italian  reader  of Circuit of Cellar and a very enthusiast reader\nof The Darker Side. I&rsquo;think that your articles are best electronics\ntext that I never read. You have the very rare capacity to explain\nhard arguments in clear mode; but I think that you know that!&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Luca\nAbbo, Genova, Italy<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;I\njust finished your excellent article on noise figures, and because of\nit, I have renewed my subscription to Circuit Cellar for two years. \nTonight I also ordered your book from Amazon.&nbsp;Thank you\u00bb<\/em><\/p>\n\n\n\n<p><em>W.\nCorbin Lee, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;It&rsquo;s\nrefreshing when the content of a book doesn&rsquo;t treat you like a child.\nI&rsquo;m going to be re-reading this book for a long time. This author\ndefinately knows circuit design. I won&rsquo;t be skimming through this\none.&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Amazon.com<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;Thank\nyou for your excellent article \u00ab\u00a0PID Control Without Math\u00a0\u00bb\nand the great examples of the program&nbsp;\u00bb Scilab.<\/em><\/p>\n\n\n\n<p><em>Krzysztof\nPastuszak, Hochschule Ravensburg-Weingarten, Germany<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0Great\narticle about line coding techniques! I think you covered all the\nimportant details!\u00a0\u00bb<\/em><\/p>\n\n\n\n<p><em>Jeremy\nClark, <\/em><a href=\"http:\/\/www.clarktelecommunications.com\/\">www.clarktelecommunications.com<\/a><em>,\nCanada<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0Thank-you\nso much for the article on CE markings you authored in Circuit\ncellar. The material you create is always at a high benchmark. \u00ab\u00a0<\/em><\/p>\n\n\n\n<p><em>Max\nStringer<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0LOVED\nyour Circuit Cellar articles. It was the only reason I subscribed to\nit. [] I find myself rereading your old articles over and over. <\/em><em>\u00ab\u00a0<\/em><\/p>\n\n\n\n<p><em>Michael Craft,\nUrbana University , Adjunct professor \u2013 USA<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0I&rsquo;ve\nbeen working with your picoammeter circuit from the April 2010 issue\nof Circuit Cellar. It is being used to measure the sleep current of a\ncustom MCU board, which is around 30nA. I&rsquo;ve been running the ammeter\nin the 1999nA range with excellent results.\u00a0\u00bb <\/em>\n<\/p>\n\n\n\n<p><em>Dave\nStensland, Applications Engineer, Widetronix, Inc. USA<\/em><\/p>\n\n\n\n<p><em>\u00ab\u00a0I\nhave been a long-time reader of your circuit-cellar column, and have\nlearned much from your work. However, with the recent article on\nhigh-speed ADCs you have done what I would have considered impossible\n&#8211; it is if the article was written to address the specific design\nchallenge I&rsquo;m facing at this exact moment, and provides a tailor-made\nsolution. [] Your advice was invaluable. Thank you again for tackling\nthe \u00ab\u00a0tough\u00a0\u00bb subjects. Your help is exceedingly timely.\u00a0\u00bb<\/em><\/p>\n\n\n\n<p><em>Vadim\nVaynerman, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;I\nhave read and used much of the material in Roberts book. I recommend\nit as required reading by all engineers. I have verified the accuracy\nand content of the FIR filters and use of Scilab for the digital\nmodulations. Robert is at the top of World Class Engineers,\nespecially for those who apply this work into practice every day.\nThanks Robert.&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Michael\nStolzle, Amazon feedbacks<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;It&rsquo;s\nrefreshing when the content of a book doesn&rsquo;t treat you like a child.\nI&rsquo;m going to be re-reading this book for a long time. This author\ndefinitively knows circuit design. I won&rsquo;t be skimming through this\none.\u201d<\/em><\/p>\n\n\n\n<p><em>Amazon\nfeedbacks<\/em><\/p>\n\n\n\n<p>\u201c<em>As\na long time reader of Circuit Cellar Magazine, I have seen many\nauthors come and go; most of them excellent, none bad. Robert, in my\nopinion, is in the &lsquo;excellent&rsquo; category.\u201d<\/em><\/p>\n\n\n\n<p><em>Amazon\nfeedbacks<\/em><\/p>\n\n\n\n<p>\u201c<em>I\nreally enjoyed your latest article on IIR filters in the October\nissue of Circuit Cellar 2012. I really think you did an amazing job\nat making it \u00ab\u00a0understandable\u00a0\u00bb and I got it. Thanks a lot.\u00a0\u00bb<\/em><\/p>\n\n\n\n<p><em>Bruno\nCouillard, P. Eng.<\/em><\/p>\n\n\n\n<p><em>President\n&amp; CTO, BC5 Technologies, Inc., <\/em><em>Canada<\/em><\/p>\n\n\n\n<p>\u201c<em>\u00ab\u00a0Robert\nLacoste is a first-rate electrical engineer, editor, and author whose\nregular Circuit Cellar magazine column, \u00ab\u00a0The Darker Side,\u00a0\u00bb\nhas been a reader favorite since 2007. He has the amazing ability to\nclarify some of the most hard-to-understand electrical engineering\ntopics for his readers, who range from seasoned professional\nengineers to academics and students. He&rsquo;s one part innovator, one\npart problem solver, and one part educator. And this is why so many\nengineers look forward to each of his articles. Simply put, Robert is\nan \u00ab\u00a0engineer&rsquo;s engineer,\u00a0\u00bb the rare sort of technical expert\nwho educates, inspires, and amazes professionals and academics with\nhis grasp of EE theory, design, and programming. And thus our\norganization feels he has the talent to educate and excite the\nworld&rsquo;s best pro engineers and programmers.\u00a0\u00bb <\/em>\n<\/p>\n\n\n\n<p><em>CJ\nAbate, Editor in Chief, Circuit Cellar, USA<\/em><\/p>\n\n\n\n<p>\u201c<em>I\nam just now getting around to reading your article on Radio Frequency\nMixers in June&rsquo;s Circuit Cellar. What a great article you wrote! I am\nmore a digital guy but recently took up the hobby of collecting\nrestoring old tube &amp; transistor radios and came across the terms\n\u00ab\u00a0super-hetrodyne\u00a0\u00bb, \u00ab\u00a0local oscillator\u00a0\u00bb,\u00a0\u00bbIF\nCoils\u00a0\u00bb etc. Your article helped me make sense of it all. And I\nwas blown away to think  a long forgotten trigonometric formula was\nactually useful! Thanks again.\u201d<\/em><\/p>\n\n\n\n<p><em>John\nKeenan, Phoenix, Arizona, USA<\/em><\/p>\n\n\n\n<p>\u201c<em>I\njust wanted to drop you a note telling you how much I enjoyed your\nIntroduction to IIR Filters article. You did an excellent job\nconveying the information on a topic I\u2019ve been meaning to dig into\nfor ages. Thank you very much. I look forward to your articles in\nCircuit Cellar. Easily my favorite part of the magazine.\u201d<\/em><\/p>\n\n\n\n<p><em>Armand\nSperduti, INTAQ, USA<\/em><\/p>\n\n\n\n<p>\u201c<em>I\nam working on a PID based temperature controller for a heating\napplication. I read your article about PID control for a soldering\niron and I have to admit sir, that it was one of the best ones I read\nthat taught the concept.\u201d<\/em><\/p>\n\n\n\n<p><em>Raghav\nAbboy, Electronics and Communication Engineering student, Bangalore,\nIndia<\/em><\/p>\n\n\n\n<p>\u201c<em>On sent derri\u00e8re\ntout cela une passion sans limite, et surtout une envie de partager\nd&rsquo;une g\u00e9n\u00e9rosit\u00e9 sans bornes. <\/em><em>Merci et\nbravo.\u201d<\/em><\/p>\n\n\n\n<p><em>Jean-Marie\nJungers, fr.sci.electronique<\/em><\/p>\n\n\n\n<p>\u201c<em>I\nalways look forward to your articles; they seem to manage to provide\nas much or as little as <br>\none wants to absorb and wipe away the\n\u00ab\u00a0Ooh, that&rsquo;s probably too difficult, I&rsquo;ll find another way\u00a0\u00bb\nobjections. Often all it needs is for someone to explain the links\nbetween the things that we already know, or the \u00ab\u00a0other\u00a0\u00bb\nviews of them, in order to suddenly be able to understand and model\nit in the mind. <\/em><em>Thanks, Robert.\u201d<\/em><\/p>\n\n\n\n<p><em>Peter Ellefsen, Pan\nTechnology, UK<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;I\nREALLY enjoyed your October article back to basics with transistor\namplifiers.  I have been dealing in digital for so long where signal\ngates are either driven to cut-off or to saturation that I have\nforgotten the amplifier characteristics in between.  While it is much\ntoo late, I wish you could have covered, as simply and\nillustratively, certain areas of calculus that eluded me in my\ncollege years studying various Electrical Engineering courses!&nbsp;\u00bb\n<\/em>\n<\/p>\n\n\n\n<p><em>John\nMeyer, Rohrback Cosasco Systems, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;I\u2019m\n an electrical teacher of a technical school from Uruguay- South\nAmerica. I was reading the article that you have wrote in Circuit\nCellar magazine about Bipolar Transistor Biasing, it was a helpful\narticle to use in my classes. <\/em><em>Thank you to share it.&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Alvaro Mautone<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;Just\ndropping you a note to say thanks for the great Circuit Cellar,\n&lsquo;Pulse-Shaping Basics&rsquo; article! I&rsquo;ve heard all this in college and\nsince, (~30 years), and never had it all put together so nicely that\nI actually -get it-, until now. <\/em><em>Thanks a lot&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Keith Cress, Flamin\nSystems, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;I\njust wanted to thank you for writing your book and publishing all of\nthe articles in CC. I have used almost all of your engineering\nconclusions and methods in my embedded work. All of my engineering\nfriends read and use them as well.&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Michael\nStolzle<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;I\nenjoy reading your articles at Circuit cellar, thank you very much.&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Jack\nBenyamin, JB-Sys, Israel<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;Dear\nRobert Lacoste, I want to thank you for the article you wrote for\nCircuit Cellar, \u00ab\u00a0Do You Speak I\/Q?\u00a0\u00bb (\u2026). Your article has\nthe best explanation that I have seen so far.&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Rick Phillips,\nWA9MTH, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;I\nhave been a reader of your Circuit Cellar column for years.  My\nelectronic skills are only intermediate, but I always learn something\nfrom your article, and each opens my mind, giving me more to think\nabout and explore.  I deeply respect your passion and I thank you for\nyour contributions to this fine magazine.&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Joe B.,\nUSA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;Thanks\nfor the article on Correlation Techniques in Circuit Cellar. It gave\nme one of those some what rare aha moments. It&rsquo;s a rare talent to\nunderstand a topic so completely and be able to explain it . <\/em><em>Thank\nyou for sharing your talents.&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>John Braff, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;Your\narticles are the only reason I read Circuit Cellar ! Merci for your\nexcellent, understandable writing! Best Regards, from your #1 fan.&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Dick\nDixon, Chief Technical Officer, MicroManagement IT Consulting, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;I\njust wanted to say that your articles are the main reason I\u2019m still\nsubscribing to Circuit Cellar. They\u2019re *always* interesting,\neducational and well-written, just what I look for. The very first\nthing I do when each new issue comes is to look and  see if you have\nan article published.&nbsp;\u00bb <\/em>\n<\/p>\n\n\n\n<p><em>Clifford\nHeath, Sydney.<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;Just\nwanted to thank you for the excellent article you wrote on op amp\nselection. It&rsquo;s the most accessible article I&rsquo;ve read on the subject.\nThank you again and keep up the good work.&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Jorge\nGarcia, Cadsoft Computer, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;\njust finished reading your article on Op Amps in the October 2015\nCircuit Cellar magazine. Thanks for writing this article&#8230;it was\nvery clear and helpful. I have been enjoying your articles for many\nyears!&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Michael\nW. Tucker, Technicom Inc, USA<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;The article\nwritten by you on  COG , X7R, Y5V is an excellent Article \u2013 useful \ninformation for us to promote usage of COG capacitors across all the\nSubsea Electronic designs (\u2026). I would like thank you for the\nbrilliant article.&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Mandar Bagul, Senior\nEngineer\/Technologist, GE Oil  &amp; Gas , Subsea Electronic,\nHyderabad , India<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;Thanks for a\nvery informative and entertaining article.&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Dr Steve Krenek,\nTechnical Director, Streat Instruments Ltd, New Zealand<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;An\ninteresting article about Vintage Programming Languages. Always enjoy\nyour articles Robert, they are the first that I turn to in CC.&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>Charles Kosina, CSE\nSystems Pty Ltd, Australia<\/em><\/p>\n\n\n\n<p><em>\u00ab&nbsp;I really\nenjoyed your \u00ab\u00a0Information Theory in a Nutshell\u00a0\u00bb Article. It\nwas very understandable even for a retired embedded software\nengineer!&nbsp;\u00bb<\/em><\/p>\n\n\n\n<p><em>James Lynes, USA<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quelques t\u00e9moignages re\u00e7us suite \u00e0 mes publications. Merci \u00e0 tous ! \u201cMore than anyone since the early days of my own career, Bob Lacoste is a one-man electronics design factory. The knowledge he brings to the table in contest entries and Circuit Cellar articles raises the competitive bar for all other engineers.\u201c Steve Ciarcia, Publisher, &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/lacoste.link\/index.php\/temoignages\/\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;Temoignages&nbsp;&raquo;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-148","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/lacoste.link\/index.php\/wp-json\/wp\/v2\/pages\/148"}],"collection":[{"href":"https:\/\/lacoste.link\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/lacoste.link\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/lacoste.link\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lacoste.link\/index.php\/wp-json\/wp\/v2\/comments?post=148"}],"version-history":[{"count":3,"href":"https:\/\/lacoste.link\/index.php\/wp-json\/wp\/v2\/pages\/148\/revisions"}],"predecessor-version":[{"id":152,"href":"https:\/\/lacoste.link\/index.php\/wp-json\/wp\/v2\/pages\/148\/revisions\/152"}],"wp:attachment":[{"href":"https:\/\/lacoste.link\/index.php\/wp-json\/wp\/v2\/media?parent=148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}