Hi All,
I know this is sort of like "Is there a cheap kit car replacement for a Ferrari" question but I thought I'd ask anyway. I have a HP 4275A that I'd like to try and see if it meets the original specs but the original specs call for a couple of these, very expensive on eBay at least, calibration standards.
For this unit, the service manual is looking for 4 standard capacitance values 1pF, 10pF, 100pF and 1000pF - All at 0.01%.
Any suggestions on what might be cost approachable replacements for these?
TonyG