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5 December 2024
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Created page with "{{Instrument Sidebar |manufacturer=Tektronix |model=EP53 |class=Calibration fixture |series= |summary=Plug-in Extension |image=EP53_1_crop.jpg |caption=Tek EP53 |introduced=1954 |discontinued=(?) |designers= |manuals= }} The '''Tektronix EP53''' is the original plug-in extension introduced with the 530, series oscilloscopes. ==Pictures== <gallery> EP53_1_crop.jpg EP53_2.jpg EP53 3.jpg EP53 mod 1 crop.jpg | EP53 modified for (?) EP53 mod 2.jpg | EP53 modified for (?)..."
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