<?xml version='1.0' encoding='UTF-8'?><?xml-stylesheet href="http://www.blogger.com/styles/atom.css" type="text/css"?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/'><id>tag:blogger.com,1999:blog-35901825.post7422247286950880709..comments</id><updated>2008-11-19T12:49:03.419-08:00</updated><title type='text'>Comments on marxy's musing on technology: Simple RF Sweep generator and plotter</title><link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://blog.marxy.org/feeds/7422247286950880709/comments/default'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/35901825/7422247286950880709/comments/default'/><link rel='alternate' type='text/html' href='http://blog.marxy.org/2008/11/simple-rf-sweep-generator-and-plotter.html'/><author><name>Peter B Marks</name><uri>http://www.blogger.com/profile/13007012724570360389</uri><email>noreply@blogger.com</email></author><generator version='7.00' uri='http://www.blogger.com'>Blogger</generator><openSearch:totalResults>2</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>25</openSearch:itemsPerPage><entry><id>tag:blogger.com,1999:blog-35901825.post-8832971018724572412</id><published>2008-11-19T12:49:03.419-08:00</published><updated>2008-11-19T12:49:03.419-08:00</updated><title type='text'>The board puts out about 4V peak to peak low imped...</title><summary type='text'>The board puts out about 4V peak to peak low impedance so yes I think it could drive an antenna.&lt;BR/&gt;&lt;BR/&gt;I have one of those logarithmic chips so that's a natural fit of course.&lt;BR/&gt;&lt;BR/&gt;Thanks.</summary><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/35901825/7422247286950880709/comments/default/8832971018724572412'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/35901825/7422247286950880709/comments/default/8832971018724572412'/><link rel='alternate' type='text/html' href='http://blog.marxy.org/2008/11/simple-rf-sweep-generator-and-plotter.html?showComment=1227127743419#c8832971018724572412' title=''/><author><name>Peter B Marks</name><uri>http://www.blogger.com/profile/13007012724570360389</uri><email>noreply@blogger.com</email><gd:extendedProperty xmlns:gd='http://schemas.google.com/g/2005' name='OpenSocialUserId' value='03435124071374930889'/></author><thr:in-reply-to xmlns:thr='http://purl.org/syndication/thread/1.0' href='http://blog.marxy.org/2008/11/simple-rf-sweep-generator-and-plotter.html' ref='tag:blogger.com,1999:blog-35901825.post-7422247286950880709' source='http://www.blogger.com/feeds/35901825/posts/default/7422247286950880709' type='text/html'/></entry><entry><id>tag:blogger.com,1999:blog-35901825.post-8134708781269536835</id><published>2008-11-19T00:30:00.000-08:00</published><updated>2008-11-19T00:30:00.000-08:00</updated><title type='text'>This is excellent Peter, all you need now is to us...</title><summary type='text'>This is excellent Peter, all you need now is to use it with a return-loss bridge and you have a nice little scalar network analyser.&lt;BR/&gt;&lt;BR/&gt;How much RF does the DDS board generate?  If it is enough to drive a simple diode probe in this lash-up it is probably OK for a resistive RLB.  Otherwise teaming it up with a log power detector would be ideal, it could be calibrated directly in dB.&lt;BR/&gt;&lt;BR/</summary><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/35901825/7422247286950880709/comments/default/8134708781269536835'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/35901825/7422247286950880709/comments/default/8134708781269536835'/><link rel='alternate' type='text/html' href='http://blog.marxy.org/2008/11/simple-rf-sweep-generator-and-plotter.html?showComment=1227083400000#c8134708781269536835' title=''/><author><name>Alan Yates</name><uri>http://www.vk2zay.net/</uri><email>noreply@blogger.com</email></author><thr:in-reply-to xmlns:thr='http://purl.org/syndication/thread/1.0' href='http://blog.marxy.org/2008/11/simple-rf-sweep-generator-and-plotter.html' ref='tag:blogger.com,1999:blog-35901825.post-7422247286950880709' source='http://www.blogger.com/feeds/35901825/posts/default/7422247286950880709' type='text/html'/></entry></feed>