Electronics > Repair

Seek specific resistance values from HP 3458A RP7

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gejianyong:
 Repairing a 3458A RP7 that broke down. The circuit diagram is not very clear. Who knows if this is 9.5M or 9.9M
Asking who has this part for sale

Kosmic:

--- Quote from: gejianyong on April 12, 2024, 12:23:25 am --- Repairing a 3458A RP7 that broke down. The circuit diagram is not very clear. Who knows if this is 9.5M or 9.9M

--- End quote ---

look like 9.9M to me. Also 9.9M would make a lot of sense since adding 100k you would have 10M on the input.

gejianyong:
Thank you. I think so too, but the drawings also look a bit like 9.5

donlisms:
Yup.  The pixels in the middle of the right side are curved the wrong way for a 5; they form an upward point, not a downward curve.  Compare it to the 5 immediately to the left.

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