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| Keysight New instruments |
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| bd139:
--- Quote from: bdeianov on March 04, 2021, 01:58:51 am --- --- Quote from: EEVblog on March 04, 2021, 12:00:15 am --- --- Quote from: bd139 on March 03, 2021, 09:23:25 pm ---Or just stuff a diode in series. :-// --- End quote --- That's what the manual tells you to do. Unfortunately no external sense to compensate for the drop. --- End quote --- I was curious what the E36312A / E36313A supplies do, which do have remote sense. Turns out they have the same note in the manual. They further show the sense line connected before the diode, so they still can't compensate for the diode drop. --- End quote --- What about using a MOSFET as an ideal diode circuit instead of just a diode? |
| 2N3055:
--- Quote from: bd139 on March 04, 2021, 08:01:18 am --- --- Quote from: bdeianov on March 04, 2021, 01:58:51 am --- --- Quote from: EEVblog on March 04, 2021, 12:00:15 am --- --- Quote from: bd139 on March 03, 2021, 09:23:25 pm ---Or just stuff a diode in series. :-// --- End quote --- That's what the manual tells you to do. Unfortunately no external sense to compensate for the drop. --- End quote --- I was curious what the E36312A / E36313A supplies do, which do have remote sense. Turns out they have the same note in the manual. They further show the sense line connected before the diode, so they still can't compensate for the diode drop. --- End quote --- What about using a MOSFET as an ideal diode circuit instead of just a diode? --- End quote --- See my post above |
| bd139:
That'll teach me for not reading all the posts :-+ |
| Fungus:
--- Quote from: Kleinstein on March 03, 2021, 10:07:46 pm ---Some supplies have a fuse... --- End quote --- My $35 FNIRSI even came with with two spares in SMD tape: :) --- Quote from: EEVblog on March 04, 2021, 12:00:15 am --- --- Quote from: bd139 on March 03, 2021, 09:23:25 pm ---Or just stuff a diode in series. :-// --- End quote --- That's what the manual tells you to do. --- End quote --- Let's hope the students remember to do that. >:D |
| nctnico:
--- Quote from: tautech on March 04, 2021, 07:34:29 am ---If a lab PSU isn't safe to charge any battery it's not worth the scrap metal it's made from ! :P --- End quote --- Nonsense. For charging batteries you use a battery charger which is suitable for the chemistry. A lab PSU is the wrong tool for battery charging so don't be surprised it is not 100% suitable for that purpose. The function of overvoltage protection / crow bar is to protect your potentially expensive DUT (a prototype SoC board can easely cost US $1000) against operator error or defects inside the PSU. |
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