Electronics > Metrology

Beautiful precision from the golden age - Fluke 720 oil can teardown

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RoadDog:
[attach=1]

MrYakimovYA:
What is this? :o

xrunner:

--- Quote from: MrYakimovYA on May 22, 2022, 01:29:43 am ---What is this? :o

--- End quote ---

Looks like precision resistance values created with wire-wound parts, hence the naming Rxxx ...

MrYakimovYA:

--- Quote from: xrunner on May 22, 2022, 01:54:01 am ---
--- Quote from: MrYakimovYA on May 22, 2022, 01:29:43 am ---What is this? :o

--- End quote ---

Looks like precision resistance values created with wire-wound parts, hence the naming Rxxx ...

--- End quote ---
It's very interesting are those resistors bifilar wounded to minimize parasitic inductance?

Mickle T.:
It looks like part of an old Fluke differential voltmeter.

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