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<div style="direction: ltr;">Hi Jean-Pierre!</div>
<div style="direction: ltr;">Cool, that‘s good news! Thanks for sharing your experiences and solution.</div>
<div style="direction: ltr;">Ciao</div>
<div style="direction: ltr;">Peter<span id="ms-outlook-ios-cursor"></span></div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>Von:</b> Synth-diy <synth-diy-bounces@synth-diy.org> im Auftrag von Jean-Pierre Desrochers <jpdesroc@oricom.ca><br>
<b>Gesendet:</b> Wednesday, May 12, 2021 10:18:54 PM<br>
<b>An:</b> Synth-diy@synth-diy.org <Synth-diy@synth-diy.org><br>
<b>Betreff:</b> *EXT* [sdiy] Textronix TDS350 scope memory backup NVSRAM DS1630AB could be replacable by DS1230AB.. ?? YES !</font>
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<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">I just read the scope’s DS1630AB data then programmed a new DS1230Y-70IND+
</span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">I had on hand and BINGO ! My TDS350 accepted it with no partitioning at all.<br>
I programmed some setups in the scope’s memory, turned it OFF then back ON<br>
and all the saved data was there..</span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">I’m SO glad ! No more worries about losing my scope’s calibration..<br>
Just posted this on the Tektronix forum too.</span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
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<p class="x_MsoNormal"><b><span lang="FR" style="font-size:10.0pt; font-family:"Tahoma","sans-serif"">De :</span></b><span lang="FR" style="font-size:10.0pt; font-family:"Tahoma","sans-serif""> Synth-diy [mailto:synth-diy-bounces@synth-diy.org]
<b>De la part de</b> Jean-Pierre Desrochers<br>
<b>Envoyé :</b> 8 mai 2021 14:00<br>
<b>À :</b> 'synth-diy mailing list'<br>
<b>Objet :</b> [sdiy] Textronix TDS350 scope memory backup NVSRAM DS1630AB could be replacable by DS1230AB..</span></p>
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<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">In my quest to replace the ‘about to die’ DS1630AB 32k x 8 NVSRAM inside my TektronixTDS350 scope<br>
with the same IC <u>because of the possible use of the partitionable memory this chip offers </u></span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Here is a picture of my TDS350 CPU+acquisition board:</span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"><a href="https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.arcenson.com%2Fpublic%2FTDS350_CPU-ACQ_board.JPG&data=04%7C01%7CPeter.Ullrich%40kapsch.net%7C89b32e94600b4d3eddf008d91583d880%7C5f9ce5277e3e4e83a8a4b6c848f85ab5%7C1%7C1%7C637564478303169047%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=P%2BtiGzEHS%2BYm00VE%2B0PhjWb2hMuAyF%2BIHeH2iKYhXpM%3D&reserved=0" originalsrc="http://www.arcenson.com/public/TDS350_CPU-ACQ_board.JPG" shash="E8a2mUvjITpyAE6yRC8i7lc+83N4BOuf7gUt9huGqQpI8tcDJbHC9tdWMaDKUS9AV4OUVT8YbVgKGlTUD8xZdjUR4EG0JNKLn41hywaBGpcbtgQ7YQiL5ChSLixdyIFWgXGrdSb+3zpdWON5Cthw0Z5/CSpRnx2NCguQcWNL8jI=">http://www.arcenson.com/public/TDS350_CPU-ACQ_board.JPG</a></span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">I finally found the schematic for a very similar Tektronix scope.. the TDS320.</span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">The
<b>TDS320 is a 100Mhz-500MS/s</b> scope while my <b>TDS350 is 200Mhz-1GS/s.</b></span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Since the differences between both could reside in the acquisition and time base speeds</span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">It would be very possible both scopes use about the same
<u>CPU</u> circuitry..</span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Here is a snapshot of the TDS320 oscilloscope CPU board:</span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"><a href="https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.arcenson.com%2Fpublic%2FTDS320_CPU_board.jpg&data=04%7C01%7CPeter.Ullrich%40kapsch.net%7C89b32e94600b4d3eddf008d91583d880%7C5f9ce5277e3e4e83a8a4b6c848f85ab5%7C1%7C1%7C637564478303179049%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=I6bBp8or8z8Zlxf1Tj%2BmwdapvWZyLQbRp80HjdaBcDQ%3D&reserved=0" originalsrc="http://www.arcenson.com/public/TDS320_CPU_board.jpg" shash="zjgxT133CP6lEE3uXE9whps+BUsq6GHzF0X0lshM7ckaSvJqSbu4mFcT2E2nvNxcVKRKUkh4MTQpmdSftwQ8nSDkRxWObu1ZgRcChAXrLhKnG8EsZMtA7j30KYAGAsdXZGiLhItR1UEG9PHYrRxrUpXDRKFuwNSHUONRwExSCmA=">http://www.arcenson.com/public/TDS320_CPU_board.jpg</a></span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">You can see that instead of a DS1630AB-120 like the TDS350 the TDS320 CPU uses a DS1230AB-120,</span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">A standard 32k x 8 NVSRAM with no partitioning. Plain NVSRAM memory.</span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"><a href="https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.arcenson.com%2Fpublic%2FTDS320_CPU_board_2.jpg&data=04%7C01%7CPeter.Ullrich%40kapsch.net%7C89b32e94600b4d3eddf008d91583d880%7C5f9ce5277e3e4e83a8a4b6c848f85ab5%7C1%7C1%7C637564478303179049%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=itLn17IxX92XsVOwTSVdY2g2%2Bb0stwl59L2PNfG7%2BVw%3D&reserved=0" originalsrc="http://www.arcenson.com/public/TDS320_CPU_board_2.jpg" shash="qlpP4diqdXIuMbo5LKfV/H31GJEOqZyBUE0FiZGj7GTXLqun3omEviPTCPHz4dcxlbo0ZAH0D8CbpGH5KhrrVMbq5X0CGUKgI9DYj8Gg8cJbVwQ7NhO69zq9CaqQ9fJbMW0FZBz4TQWmf5ds7f46LkH4jxU6MLs4uoKiQ7D0Fh8=">http://www.arcenson.com/public/TDS320_CPU_board_2.jpg</a></span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">So when I replace the actual DS1630AB-120 I will first read it’s complete data<br>
into a .BIN file, then program a standard DS1230AB-120 (which I have on hand)<br>
with the just saved calibration data.. and place it in the new installed 28 pins socket, Then cross my fingers..</span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Hmmmm. Interesting..</span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="x_MsoNormal"><span lang="EN-CA" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
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