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* [[Media:070-1622-01.pdf|SG503 Manual 070-1622-01 <br> s/n: B010100 through B089999]] | * [[Media:070-1622-01.pdf|SG503 Manual 070-1622-01 <br> s/n: B010100 through B089999]] | ||
* [[Media:070-6770-00.pdf|SG503 Manual 070-6770-00 <br> s/n: B090000 and up]] | * [[Media:070-6770-00.pdf|SG503 Manual 070-6770-00 <br> s/n: B090000 and up]] | ||
* [[Media:Tek SG503 Wizard Workshop mods.pdf|SG503 Modifications from Wizards Workshop]] | |||
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It was primarily intended to be used as an oscilloscope calibration device for measuring bandwidths up to 250 MHz. Unlike later instruments like the [[SG504]], it does not use a leveling head but was designed and calibrated with high quality coaxial cable (P/N [[012-0482-00]]) to operate as a closely matched system when terminated into a 50 Ω load. | It was primarily intended to be used as an oscilloscope calibration device for measuring bandwidths up to 250 MHz. Unlike later instruments like the [[SG504]], it does not use a leveling head but was designed and calibrated with high quality coaxial cable (P/N [[012-0482-00]]) to operate as a closely matched system when terminated into a 50 Ω load. |