The battery backed Dallas non-volatile ram IC's in my 3458A are 8 years old, it's time to replace them but using FRAM IC's.
My 3458A Ram replacement info (PDF):
⚡️ https://www.ianjohnston.com/images/stories/IanJ/3458A/3458A_Dallas_Fram.pdf
My adaptor Gerbers:
⚡️ https://www.ianjohnston.com/3458A/FM1608-3458A-AdaptorV1.0_GERBERS.zip
⚡️ https://www.ianjohnston.com/3458A/FM16W08-3458A-Adaptor-to-AdaptorV1.0_GERBERS.zip
⚡️ https://www.ianjohnston.com/3458A/FM16W08-3458A-AdaptorV1.0_GERBERS.zip
My adaptor Schematics:
⚡️ https://www.ianjohnston.com/3458A/FM1608-3458A-AdaptorV1.0_SCHEMATIC.pdf
⚡️ https://www.ianjohnston.com/3458A/FM16W08-3458A-Adaptor-to-AdaptorV1.0_SCHEMATIC.pdf
⚡️ https://www.ianjohnston.com/3458A/FM16W08-3458A-AdaptorV1.0_SCHEMATIC.pdf
WinGPIB:
⚡️ https://www.eevblog.com/forum/metrology/3458a-logging-via-windows-app-revisited/
#electronicscreators
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